/* ========================================
   Light Skai - Meeting Intelligence Platform
   Improved Styles with Better Organization
   ======================================== */

/* ========================================
   1. RESET & BASE STYLES
   ======================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Improved font system */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', 'Courier New', monospace;
}

/* ========================================
   2. CSS CUSTOM PROPERTIES (LIGHT THEME)
   ======================================== */
:root,
.light-theme {
    /* Colors - Primary */
    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-primary-light: #a5b4fc;
    --color-secondary: #8b5cf6;
    
    /* Backgrounds */
    --bg-primary: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    --bg-secondary: rgba(255, 255, 255, 0.95);
    --bg-card: rgba(255, 255, 255, 0.95);
    --bg-overlay: rgba(255, 255, 255, 0.98);
    --bg-input: #ffffff;
    --bg-hover: #f8fafc;
    
    /* Text colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    /* Borders */
    --border-color: rgba(226, 232, 240, 0.8);
    --border-light: #e0e7ff;
    --border-medium: #cbd5e1;
    --border-radius-sm: 8px;
    --border-radius-md: 10px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Status colors */
    --color-success: #10b981;
    --color-success-bg: rgba(209, 250, 229, 0.8);
    --color-success-border: #6ee7b7;
    --color-error: #ef4444;
    --color-error-bg: rgba(254, 226, 226, 0.8);
    --color-error-border: #fca5a5;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Spacing system */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 20px;
    --space-2xl: 24px;
    --space-3xl: 32px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-smooth: 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   3. DARK THEME
   ======================================== */
.dark-theme {
    /* Colors - Primary (adjusted for dark mode) */
    --color-primary: #818cf8;
    --color-primary-hover: #a5b4fc;
    --color-primary-light: #6366f1;
    
    /* Backgrounds */
    --bg-primary: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --bg-secondary: rgba(15, 23, 42, 0.95);
    --bg-card: rgba(30, 41, 59, 0.95);
    --bg-overlay: rgba(15, 23, 42, 0.98);
    --bg-input: #1e293b;
    --bg-hover: #334155;
    
    /* Text colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #0f172a;
    
    /* Borders */
    --border-color: rgba(71, 85, 105, 0.3);
    --border-light: #334155;
    --border-medium: #475569;
    
    /* Shadows (stronger for dark mode) */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    
    /* Status colors (adjusted for dark mode) */
    --color-success: #34d399;
    --color-success-bg: rgba(6, 78, 59, 0.3);
    --color-success-border: #059669;
    --color-error: #f87171;
    --color-error-bg: rgba(127, 29, 29, 0.3);
    --color-error-border: #dc2626;
}

/* ========================================
   4. GLOBAL STYLES
   ======================================== */
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    min-height: 100vh;
    position: relative;
    color: var(--text-primary);
    transition: background var(--transition-slow), color var(--transition-slow);
    line-height: 1.5;
}

/* Decorative background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    transition: opacity var(--transition-slow);
    animation: parallaxFloat 20s ease-in-out infinite;
}

@keyframes parallaxFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(2%, -2%) scale(1.02);
    }
    50% {
        transform: translate(-1%, 3%) scale(0.98);
    }
    75% {
        transform: translate(-3%, -1%) scale(1.01);
    }
}

.dark-theme body::before {
    opacity: 0.3;
}

.content-wrapper {
    position: relative;
    z-index: 1;
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-hover);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 5px;
    transition: all var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--color-primary-hover) 0%, var(--color-secondary) 100%);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
}

/* ========================================
   5. NAVIGATION BAR
   ======================================== */
.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: var(--space-xl) var(--space-3xl);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    transition: all var(--transition-slow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.dark-theme .navbar {
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid rgba(71, 85, 105, 0.3);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* Image logo - primary display */
.nav-logo-img {
    max-height: 44px;
    max-width: 140px;
    object-fit: contain;
}

/* Text logo - fallback when no image */
.logo {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--border-radius-md);
    display: none; /* Hidden by default when image logo is used */
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-weight: 700;
    font-size: 20px;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
    position: relative;
    animation: logoGlow 3s ease-in-out infinite;
}

.logo::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: inherit;
    filter: blur(8px);
    opacity: 0;
    animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
    }
    50% {
        box-shadow: 0 6px 24px rgba(99, 102, 241, 0.5);
    }
}

@keyframes logoPulse {
    0%, 100% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.1);
    }
}

.brand-name {
    font-size: 26px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.8px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-lg);
    background: var(--bg-hover);
    border-radius: var(--border-radius-sm);
    transition: background var(--transition-base);
}

.user-email {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 600;
}

.version {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
    background: var(--bg-hover);
    padding: var(--space-xs) var(--space-md);
    border-radius: 6px;
}

/* Theme Toggle */
.theme-toggle {
    background: var(--bg-input);
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius-md);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: all var(--transition-spring);
    position: relative;
    overflow: hidden;
    font-size: 20px;
}

.theme-toggle:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.theme-toggle-icon {
    position: relative;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle-icon::before,
.theme-toggle-icon::after {
    position: absolute;
    transition: all var(--transition-bounce);
    font-size: 20px;
}

.theme-toggle-icon::before {
    content: '☀️';
    transform: translateY(0) rotate(0deg);
    opacity: 1;
}

.theme-toggle-icon::after {
    content: '🌙';
    transform: translateY(100%) rotate(180deg);
    opacity: 0;
}

.dark-theme .theme-toggle-icon::before {
    transform: translateY(-100%) rotate(-180deg);
    opacity: 0;
}

.dark-theme .theme-toggle-icon::after {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
}

/* ========================================
   6. BUTTONS
   ======================================== */
.btn {
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

/* Ensure button content stays above backgrounds */
.btn > *,
.settings-btn > *,
.help-btn > *,
.logout-btn > * {
    position: relative;
    z-index: 1;
}

/* Ripple effect */
.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::after {
    width: 300px;
    height: 300px;
    transition: width 0s, height 0s;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Primary button */
.btn-primary,
.run-btn,
.run-ai-btn,
.auth-btn {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--text-inverse);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
    border: none;
}

.btn-primary:hover:not(:disabled),
.run-btn:hover:not(:disabled),
.run-ai-btn:hover:not(:disabled),
.auth-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.4);
}

.btn-primary:active:not(:disabled),
.run-btn:active:not(:disabled),
.run-ai-btn:active:not(:disabled),
.auth-btn:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled,
.run-btn:disabled,
.run-ai-btn:disabled,
.auth-btn:disabled {
    background: #e5e7eb;
    color: #9ca3af;
    box-shadow: none;
}

/* Enhanced Auth/Login Button - Modern Appearance */
.auth-btn {
    padding: 16px 40px !important;
    font-size: 16px !important;
    font-weight: 700 !important;
    letter-spacing: 0.3px;
    border-radius: var(--border-radius-lg) !important;
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 4px 20px rgba(99, 102, 241, 0.35),
        0 1px 3px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transition: all var(--transition-spring);
}

.auth-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.2) 0%, 
        rgba(255, 255, 255, 0) 50%,
        rgba(0, 0, 0, 0.1) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.auth-btn:hover:not(:disabled) {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 
        0 8px 30px rgba(99, 102, 241, 0.45),
        0 3px 8px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.auth-btn:hover:not(:disabled)::before {
    opacity: 1;
}

.auth-btn:active:not(:disabled) {
    transform: translateY(-1px) scale(1);
    box-shadow: 
        0 4px 16px rgba(99, 102, 241, 0.4),
        0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Add icon support for auth button */
.auth-btn svg,
.auth-btn i {
    font-size: 18px;
    transition: transform var(--transition-base);
}

.auth-btn:hover:not(:disabled) svg,
.auth-btn:hover:not(:disabled) i {
    transform: translateX(2px);
}

/* Secondary button */
.btn-secondary {
    background: var(--bg-input);
    border: 2px solid var(--border-light);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    font-weight: 600;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
}

.btn-secondary span,
.btn-secondary svg {
    position: relative;
    z-index: 1;
}

.btn-secondary:hover:not(:disabled) {
    color: var(--text-inverse);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.3);
    border-color: var(--color-primary);
}

.btn-secondary:hover:not(:disabled)::before {
    opacity: 1;
}

.btn-secondary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Navigation Text Links - Settings, Help, Logout */
.settings-btn,
.help-btn {
    background: transparent;
    border: none;
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: color var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    box-shadow: none;
}

.settings-btn:hover:not(:disabled),
.help-btn:hover:not(:disabled) {
    color: var(--color-primary);
    background: transparent;
    transform: none;
    box-shadow: none;
}

.settings-btn svg,
.help-btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.settings-btn:hover:not(:disabled) svg {
    transform: rotate(90deg);
}

.help-btn:hover:not(:disabled) svg {
    transform: scale(1.1);
}

/* Dark theme adjustments */
.dark-theme .settings-btn,
.dark-theme .help-btn {
    color: var(--text-secondary);
}

.dark-theme .settings-btn:hover,
.dark-theme .help-btn:hover {
    color: var(--color-primary);
}

/* Danger button */
.btn-danger {
    background: var(--bg-input);
    border: 2px solid var(--color-error-border);
    color: var(--color-error);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    font-weight: 600;
}

.btn-danger::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-error) 0%, #dc2626 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
}

.btn-danger span,
.btn-danger svg {
    position: relative;
    z-index: 1;
}

.btn-danger:hover:not(:disabled) {
    color: var(--text-inverse);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.3);
    border-color: var(--color-error);
}

.btn-danger:hover:not(:disabled)::before {
    opacity: 1;
}

.btn-danger:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Navigation Text Link - Logout */
.logout-btn {
    background: transparent;
    border: none;
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: color var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    box-shadow: none;
}

.logout-btn:hover:not(:disabled) {
    color: var(--color-error);
    background: transparent;
    transform: none;
    box-shadow: none;
}

.logout-btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.logout-btn:hover:not(:disabled) svg {
    transform: translateX(3px);
}

/* Dark theme adjustments */
.dark-theme .logout-btn {
    color: var(--text-secondary);
}

.dark-theme .logout-btn:hover {
    color: #f87171;
}

/* Enhanced focus states for navigation links */
.settings-btn:focus-visible,
.help-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
    border-radius: 4px;
}

.logout-btn:focus-visible {
    outline: 2px solid var(--color-error);
    outline-offset: 4px;
    border-radius: 4px;
}

/* Button icon enhancements */
.btn svg,
.btn i {
    transition: transform var(--transition-base);
}

/* Outline button */
.btn-outline,
.copy-prompt-btn {
    background: var(--bg-input);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover:not(:disabled),
.copy-prompt-btn:hover:not(:disabled) {
    background: var(--color-primary);
    color: var(--text-inverse);
    transform: translateY(-1px);
}

/* Browse button - Primary style */
.browse-btn {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--text-inverse);
    padding: 12px 32px;
    border-radius: var(--border-radius-md);
    border: none;
    cursor: pointer;
    font-size: 15px;
    font-weight: 700;
    transition: all var(--transition-slow);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
    position: relative;
    z-index: 10;
}

.browse-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.browse-btn:active:not(:disabled) {
    transform: translateY(0);
}

/* Magic link button */
.magic-link-btn {
    background: var(--bg-input);
    color: var(--color-primary);
    padding: 14px;
    border-radius: var(--border-radius-md);
    border: 2px solid var(--border-light);
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
}

.magic-link-btn:hover {
    background: var(--bg-hover);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

.magic-link-icon {
    font-size: 18px;
}

/* Button sizes */
.run-btn,
.run-ai-btn {
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.3px;
    width: 100%;
    border-radius: 10px !important; /* Ensure proper rounding */
}

/* ========================================
   7. AUTHENTICATION
   ======================================== */
.auth-container {
    display: none;
    max-width: 440px;
    margin: 80px auto;
    padding: 0 var(--space-xl);
}

.auth-container.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.auth-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--border-radius-xl);
    padding: 48px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    animation: authGlow 8s linear infinite;
}

@keyframes authGlow {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.dark-theme .auth-card {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(71, 85, 105, 0.3);
}

.auth-header {
    text-align: center;
    margin-bottom: 36px;
}

.auth-logo {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-weight: 700;
    font-size: 28px;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
    margin: 0 auto var(--space-xl);
}

.auth-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input {
    padding: 16px var(--space-lg);
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    font-size: 15px;
    transition: all var(--transition-base);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: inherit;
    min-height: 52px;
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.05),
        inset 0 1px 2px rgba(0, 0, 0, 0.03);
}

.form-input:hover {
    border-color: var(--border-medium);
    box-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.08),
        inset 0 1px 2px rgba(0, 0, 0, 0.03);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    animation: focusPulse 0.6s ease-out;
}

@keyframes focusPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(99, 102, 241, 0);
    }
    100% {
        box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    }
}

.form-input::placeholder {
    color: var(--text-muted);
}

.auth-message {
    padding: var(--space-md);
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 500;
    display: none;
    margin-bottom: var(--space-lg);
}

.auth-message.active {
    display: block;
    animation: slideDown 0.3s ease;
}

.auth-message.success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.auth-message.error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid var(--color-error-border);
}

.auth-forgot-password {
    text-align: right;
    margin-top: calc(var(--space-md) * -1);
    margin-bottom: var(--space-md);
}

.auth-forgot-link {
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.auth-forgot-link:hover {
    text-decoration: underline;
    color: var(--color-primary-hover);
}

.auth-back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    margin-bottom: var(--space-lg);
    transition: color var(--transition-fast);
}

.auth-back-link:hover {
    text-decoration: underline;
    color: var(--color-primary-hover);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-2xl) 0;
}

.auth-divider-line {
    flex: 1;
    height: 1px;
    background: var(--border-light);
}

.auth-divider-text {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.auth-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin: var(--space-2xl) 0;
    color: var(--text-secondary);
}

.auth-toggle-link {
    color: var(--color-primary);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.auth-toggle-link:hover {
    text-decoration: underline;
    color: var(--color-primary-hover);
}

/* ========================================
   8. MAIN APPLICATION LAYOUT
   ======================================== */
.app-container {
    display: none;
}

.app-container.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-2xl);
}

.page-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.page-title {
    font-size: 42px;
    font-weight: 800;
    background: linear-gradient(90deg, #6366f1, #8b5cf6, #a78bfa, #8b5cf6, #6366f1);
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-md);
    letter-spacing: -1px;
    animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

.page-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.main-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

/* Reorder AI sections - Results above Prompt */
.main-content > .card:has(.ai-prompt-display) {
    order: 2;
}

.main-content > .card:has(.ai-results-display) {
    order: 1;
}

/* ========================================
   9. CARDS
   ======================================== */
.card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--border-radius-lg);
    padding: 0;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition-spring);
    position: relative;
    transform: translateY(0);
    overflow: hidden;
}

/* Gradient border effect */
.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.3), 
        rgba(139, 92, 246, 0.3),
        rgba(99, 102, 241, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.2);
}

.card:hover::before {
    opacity: 1;
}

/* Dark theme card adjustments */
.dark-theme .card {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(71, 85, 105, 0.3);
}

.dark-theme .card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card.collapsed .card-content {
    display: none;
}

.card.collapsed .card-header-toggle {
    transform: rotate(-90deg);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    background: #F8FAFC;
    border-bottom: 1px solid #E2E8F0;
    padding: 10px 12px;
    cursor: pointer;
    user-select: none;
}

.dark-theme .card-header {
    background: rgba(30, 41, 59, 0.8);
    border-bottom: 1px solid rgba(71, 85, 105, 0.4);
    color: #f8fafc;
}

.card-header-toggle {
    transition: transform var(--transition-base);
    color: var(--text-muted);
}

.card-content {
    animation: slideDown 0.3s ease;
    padding: 16px;
}

/* Card Actions - Hover Reveal */
.card-actions {
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-spring);
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.card:hover .card-actions {
    opacity: 1;
    transform: translateY(0);
}

.card-action-btn {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-light);
    background: var(--bg-input);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.card-action-btn:hover {
    background: var(--color-primary);
    color: var(--text-inverse);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(99, 102, 241, 0.2);
}

.info-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-hover);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    cursor: help;
    transition: all var(--transition-fast);
}

.info-icon:hover {
    background: var(--color-primary);
    color: var(--text-inverse);
    transform: scale(1.1);
}

/* ========================================
   10. FORM ELEMENTS
   ======================================== */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 8px 0 0 0;
    background: white;
}

.dark-theme .checkbox-group {
    background: rgba(15, 23, 42, 0.5);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 4px 12px;
    background: transparent;
    border-radius: 0;
    transition: all var(--transition-fast);
    cursor: move;
    position: relative;
}

.checkbox-item:hover {
    background: rgba(99, 102, 241, 0.05);
    transform: translateX(2px);
}

/* Drag and Drop States */
.checkbox-item.dragging {
    opacity: 0.5;
    cursor: grabbing;
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.checkbox-item.drag-over {
    border: 2px dashed var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
    transform: scale(1.02);
}

.checkbox-item.drop-above {
    border-top: 3px solid var(--color-primary);
}

.checkbox-item.drop-below {
    border-bottom: 3px solid var(--color-primary);
}

/* Drag handle icon (optional visual indicator) */
.checkbox-item::before {
    content: '⋮⋮';
    color: var(--text-muted);
    font-size: 16px;
    letter-spacing: -2px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.checkbox-item:hover::before {
    opacity: 0.5;
}

.checkbox-item input[type="radio"],
.checkbox-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.checkbox-item label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    flex: 1;
}

.dark-theme .checkbox-item label {
    color: #cbd5e1;
}

.selector-group {
    padding: 12px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.selector-group:last-child {
    border-bottom: none;
}

.dark-theme .selector-group {
    border-bottom: 1px solid rgba(71, 85, 105, 0.2);
}

.selector-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.industry-select,
select {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius-md);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-input);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: inherit;
}

.industry-select:hover,
select:hover {
    border-color: var(--border-medium);
}

.industry-select:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* ========================================
   11. FILE UPLOAD
   ======================================== */
.upload-section {
    position: relative;
    padding: 16px;
}

.upload-area {
    border: 3px dashed var(--border-light);
    border-radius: var(--border-radius-lg);
    padding: 60px 40px;
    text-align: center;
    background: var(--bg-hover);
    transition: all var(--transition-base);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--color-primary);
    background: var(--bg-input);
    transform: scale(1.01);
}

.upload-area.drag-over {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.05);
}

.upload-area.hidden {
    display: none;
}

.upload-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    color: var(--color-primary);
    opacity: 0.6;
}

.upload-icon svg {
    width: 100%;
    height: 100%;
}

.upload-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.upload-subtext {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.file-input {
    /* Safari-compatible hiding: position off-screen instead of display:none 
       display:none can prevent programmatic click() from working in Safari */
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.file-info {
    display: none;
    background: var(--bg-hover);
    padding: var(--space-lg);
    border-radius: var(--border-radius-md);
    align-items: center;
    justify-content: space-between;
    border: 2px solid var(--border-light);
}

.file-info.active {
    display: flex;
    animation: slideDown 0.3s ease;
}

.file-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.file-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.file-size {
    font-size: 13px;
    color: var(--text-secondary);
}

.remove-file {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-error-bg);
    color: var(--color-error);
    border: none;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.remove-file:hover {
    background: var(--color-error);
    color: var(--text-inverse);
    transform: scale(1.1);
}

/* ========================================
   12. AI SECTIONS
   ======================================== */
.ai-prompt-display,
.ai-results-display {
    background: var(--bg-input);
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    max-height: 500px;
    overflow-y: auto;
}

.ai-prompt-display {
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.ai-results-display {
    font-size: 14px;
    line-height: 1.8;
}

.ai-prompt-empty,
.ai-results-empty {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.ai-prompt-section {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-light);
}

.ai-prompt-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.ai-prompt-label {
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    font-size: 14px;
}

.ai-prompt-text {
    color: var(--text-secondary);
}

.ai-results-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl) var(--space-xl);
    color: var(--color-primary);
}

.ai-results-spinner,
.ai-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-lg);
}

.ai-spinner {
    width: 16px;
    height: 16px;
    border-width: 2px;
    margin: 0;
}

.spinner-container {
    display: inline-flex;
    align-items: center;
    margin-right: var(--space-sm);
}

.copy-results-btn {
    margin-top: var(--space-md);
    background: var(--bg-input);
    border: 2px solid var(--color-success);
    color: var(--color-success);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.copy-results-btn:hover,
.copy-prompt-btn:hover {
    transform: translateY(-1px);
}

.copy-results-btn.copied,
.copy-prompt-btn.copied {
    background: var(--color-success);
    border-color: var(--color-success);
    color: var(--text-inverse);
}

/* ========================================
   13. ADMIN PANEL
   ======================================== */
.admin-panel {
    position: fixed;
    top: 0;
    right: -500px; /* Fixed pixel value to fully hide */
    width: 500px;
    max-width: 100%;
    height: 100vh;
    background: var(--bg-overlay);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-slow);
    z-index: 1000;
    overflow-y: auto;
}

.admin-panel.active {
    right: 0;
}

/* Admin panel overlay for mobile */
.admin-panel-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.admin-panel-overlay.active {
    display: block;
    opacity: 1;
}

.admin-panel-content {
    padding: var(--space-2xl);
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-lg);
    border-bottom: 2px solid var(--border-color);
}

.admin-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
}

.admin-close {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-hover);
    color: var(--text-primary);
    border: none;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-close:hover {
    background: var(--color-error-bg);
    color: var(--color-error);
    transform: scale(1.1);
}

.admin-section {
    margin-bottom: var(--space-xl);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.admin-section.collapsed .admin-section-content {
    display: none;
}

.admin-section.collapsed .admin-section-toggle {
    transform: rotate(-90deg);
}

.admin-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    background: var(--bg-hover);
    cursor: pointer;
    user-select: none;
    transition: background var(--transition-fast);
}

.admin-section-header:hover {
    background: var(--bg-input);
}

.admin-section-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.admin-section-icon {
    font-size: 24px;
}

.admin-section-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.admin-section-toggle {
    transition: transform var(--transition-base);
    color: var(--text-muted);
    font-size: 20px;
}

.admin-section-content {
    padding: var(--space-lg);
    animation: slideDown 0.3s ease;
}

.admin-description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.admin-select-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.admin-select-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.admin-select-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.admin-btn {
    width: 100%;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--border-radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.admin-btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--text-inverse);
    border: none;
    box-shadow: var(--shadow-sm);
}

.admin-btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.admin-btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.admin-success-message {
    display: none;
    background: var(--color-success-bg);
    border: 2px solid var(--color-success-border);
    border-radius: var(--border-radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.admin-success-message.active {
    display: block;
    animation: slideDown 0.3s ease;
}

.admin-success-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
}

.admin-success-text {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-success);
    font-weight: 600;
}

.admin-success-icon {
    font-size: 20px;
}

.admin-success-close-btn {
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-success);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.admin-success-close-btn:hover {
    transform: scale(1.05);
}

/* Password strength indicator */
.password-strength {
    height: 4px;
    background: var(--border-light);
    border-radius: 2px;
    overflow: hidden;
    margin-top: var(--space-sm);
}

.password-strength-bar {
    height: 100%;
    transition: all var(--transition-base);
    border-radius: 2px;
}

.password-strength-bar.weak {
    width: 33%;
    background: var(--color-error);
}

.password-strength-bar.medium {
    width: 66%;
    background: var(--color-warning);
}

.password-strength-bar.strong {
    width: 100%;
    background: var(--color-success);
}

.password-requirements {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.password-requirement {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 13px;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.password-requirement.met {
    color: var(--color-success);
}

.password-requirement-icon {
    font-size: 14px;
}

/* ========================================
   13. SKELETON LOADING STATES
   ======================================== */
.skeleton {
    background: linear-gradient(90deg, 
        rgba(226, 232, 240, 0.4) 25%, 
        rgba(226, 232, 240, 0.6) 50%, 
        rgba(226, 232, 240, 0.4) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
    border-radius: var(--border-radius-sm);
}

.dark-theme .skeleton {
    background: linear-gradient(90deg, 
        rgba(51, 65, 85, 0.4) 25%, 
        rgba(51, 65, 85, 0.6) 50%, 
        rgba(51, 65, 85, 0.4) 75%);
    background-size: 200% 100%;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 12px;
    margin-bottom: 8px;
}

.skeleton-text:last-child {
    width: 70%;
}

.skeleton-title {
    height: 20px;
    width: 50%;
    margin-bottom: 16px;
}

.skeleton-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
}

.skeleton-button {
    height: 40px;
    width: 120px;
}

/* ========================================
   14. TOAST NOTIFICATIONS
   ======================================== */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    pointer-events: none;
}

.toast {
    background: var(--bg-overlay);
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--border-radius-md);
    padding: var(--space-lg) var(--space-xl);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    min-width: 300px;
    max-width: 400px;
    pointer-events: all;
    transform: translateX(400px);
    animation: slideInRight 0.3s var(--transition-spring) forwards;
}

.toast.removing {
    animation: slideOutRight 0.3s ease forwards;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.toast-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.toast-message {
    font-size: 14px;
    color: var(--text-secondary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.toast-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.toast-success {
    border-left: 4px solid var(--color-success);
}

.toast-success .toast-icon {
    color: var(--color-success);
}

.toast-error {
    border-left: 4px solid var(--color-error);
}

.toast-error .toast-icon {
    color: var(--color-error);
}

.toast-warning {
    border-left: 4px solid var(--color-warning);
}

.toast-warning .toast-icon {
    color: var(--color-warning);
}

.toast-info {
    border-left: 4px solid var(--color-info);
}

.toast-info .toast-icon {
    color: var(--color-info);
}

/* ========================================
   14. UTILITIES & HELPERS
   ======================================== */
.error-message {
    color: var(--color-error);
    font-size: 14px;
    padding: var(--space-md);
    background: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    border-radius: var(--border-radius-sm);
    margin-top: var(--space-md);
    display: none;
}

.error-message.active {
    display: block;
    animation: slideDown 0.3s ease;
}

.step-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
    min-width: 70px;
}

.step-action {
    animation: slideIn 0.3s ease;
}

/* Status Badges with Pulse */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    position: relative;
}

.badge::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    opacity: 0;
    animation: badgePulse 2s ease-in-out infinite;
}

.badge-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.badge-success::before {
    background: var(--color-success);
}

.badge-error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid var(--color-error-border);
}

.badge-error::before {
    background: var(--color-error);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-warning::before {
    background: var(--color-warning);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-info::before {
    background: var(--color-info);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

@keyframes badgePulse {
    0%, 100% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.1);
    }
}

/* ========================================
   15. ANIMATIONS
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   16. RESPONSIVE DESIGN
   ======================================== */

/* ----------------------------------------
   Large Tablets & Small Desktops (max-width: 1200px)
   ---------------------------------------- */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: var(--space-2xl) var(--space-xl);
    }
    
    .main-grid {
        grid-template-columns: 280px 1fr;
        gap: var(--space-xl);
    }
    
    .page-title {
        font-size: 36px;
    }
    
    .admin-panel {
        width: 450px;
        right: -450px;
    }
}

/* ----------------------------------------
   Tablets (max-width: 968px)
   ---------------------------------------- */
@media (max-width: 968px) {
    /* Layout - Stack sidebar below main content */
    .main-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    /* Reorder: Main content first, sidebar second on mobile */
    .sidebar {
        order: 2;
    }
    
    .main-content {
        order: 1;
    }

    .container {
        padding: var(--space-xl) var(--space-lg);
    }

    /* Navbar adjustments */
    .navbar {
        padding: var(--space-md) var(--space-lg);
        flex-wrap: wrap;
        gap: var(--space-md);
    }
    
    .logo-section {
        gap: var(--space-sm);
    }

    .brand-name {
        font-size: 20px;
    }

    .logo {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .nav-right {
        gap: var(--space-md);
    }

    /* Hide user info on tablets */
    .user-info {
        display: none;
    }
    
    .version {
        display: none;
    }

    /* Page header */
    .page-header {
        margin-bottom: var(--space-xl);
    }

    .page-title {
        font-size: 32px;
        letter-spacing: -0.5px;
    }

    .page-subtitle {
        font-size: 14px;
        padding: 0 var(--space-md);
    }

    /* Upload area */
    .upload-area {
        padding: var(--space-3xl) var(--space-xl);
    }

    .upload-icon {
        width: 56px;
        height: 56px;
    }

    .upload-icon svg {
        width: 28px;
        height: 28px;
    }
    
    .upload-text {
        font-size: 17px;
    }

    /* Cards */
    .card-header {
        font-size: 16px;
        padding: var(--space-md) var(--space-lg);
    }
    
    .card-content {
        padding: var(--space-lg);
    }

    /* Auth card */
    .auth-container {
        margin: 40px auto;
        padding: 0 var(--space-lg);
    }
    
    .auth-card {
        padding: var(--space-2xl);
    }
    
    .auth-title {
        font-size: 26px;
    }

    /* Admin panel - full width on tablets */
    .admin-panel {
        width: 100%;
        right: -100%;
    }
    
    .admin-panel.active {
        right: 0;
    }
    
    .admin-panel-content {
        padding: var(--space-xl);
    }
    
    .admin-title {
        font-size: 22px;
    }

    /* Buttons */
    .run-btn,
    .run-ai-btn {
        padding: var(--space-md) var(--space-xl);
        font-size: 15px;
    }
    
    .browse-btn {
        padding: var(--space-md) var(--space-xl);
        font-size: 14px;
    }

    /* Form elements */
    .industry-select,
    .admin-select {
        font-size: 15px;
        padding: var(--space-md);
    }

    /* AI Results display */
    .ai-results-display,
    .ai-prompt-display {
        font-size: 14px;
        max-height: 350px;
    }

    /* Checkbox group */
    .checkbox-group {
        padding: var(--space-md);
    }
    
    .checkbox-item {
        padding: var(--space-md);
    }
}

/* ----------------------------------------
   Mobile Phones (max-width: 640px)
   ---------------------------------------- */
@media (max-width: 640px) {
    /* Base adjustments */
    html {
        font-size: 15px;
    }
    
    .container {
        padding: var(--space-lg) var(--space-md);
    }

    /* Navbar - compact mobile layout */
    .navbar {
        padding: var(--space-sm) var(--space-md);
        position: sticky;
        top: 0;
    }
    
    .logo-section {
        gap: var(--space-sm);
    }

    .brand-name {
        font-size: 18px;
        letter-spacing: -0.5px;
    }

    .logo {
        width: 32px;
        height: 32px;
        font-size: 14px;
        border-radius: var(--border-radius-sm);
    }
    
    .nav-right {
        gap: var(--space-sm);
    }

    /* Navigation buttons - icon only on mobile */
    .help-btn,
    .settings-btn {
        padding: var(--space-sm);
        min-width: 36px;
        min-height: 36px;
        font-size: 16px;
    }
    
    .logout-btn {
        padding: var(--space-sm) var(--space-md);
        font-size: 13px;
    }

    /* Page header */
    .page-header {
        margin-bottom: var(--space-lg);
        padding: 0 var(--space-sm);
    }

    .page-title {
        font-size: 26px;
        line-height: 1.2;
    }

    .page-subtitle {
        font-size: 13px;
        line-height: 1.5;
    }

    /* Cards */
    .card {
        border-radius: var(--border-radius-md);
    }
    
    .card:hover {
        transform: none; /* Disable hover lift on mobile */
        box-shadow: var(--shadow-md);
    }

    .card-header {
        font-size: 15px;
        padding: var(--space-md);
    }
    
    .card-header-toggle {
        font-size: 14px;
    }

    .card-content {
        padding: var(--space-md);
    }

    /* Upload area */
    .upload-area {
        padding: var(--space-2xl) var(--space-md);
        border-radius: var(--border-radius-md);
    }

    .upload-icon {
        width: 48px;
        height: 48px;
        margin-bottom: var(--space-md);
    }

    .upload-icon svg {
        width: 24px;
        height: 24px;
    }

    .upload-text {
        font-size: 15px;
        margin-bottom: var(--space-sm);
    }

    .upload-subtext {
        font-size: 12px;
        line-height: 1.4;
        padding: 0 var(--space-sm);
    }

    .browse-btn {
        padding: var(--space-md) var(--space-2xl);
        font-size: 14px;
        width: 100%;
        max-width: 200px;
    }

    /* File info */
    .file-info {
        padding: var(--space-md);
        flex-direction: column;
        gap: var(--space-sm);
        align-items: flex-start;
    }
    
    .file-details {
        width: 100%;
    }
    
    .file-name {
        font-size: 14px;
        word-break: break-all;
    }
    
    .file-size {
        font-size: 12px;
    }
    
    .remove-file {
        align-self: flex-end;
        margin-top: var(--space-sm);
    }

    /* Buttons - full width on mobile */
    .run-btn,
    .run-ai-btn {
        padding: var(--space-md) var(--space-lg);
        font-size: 14px;
        width: 100%;
    }

    .copy-prompt-btn {
        width: 100%;
        justify-content: center;
    }

    /* Step labels */
    .step-label {
        font-size: 13px;
        min-width: 55px;
    }
    
    .step-action > div {
        flex-direction: column;
        gap: var(--space-sm) !important;
        align-items: stretch !important;
    }
    
    .step-action .step-label {
        text-align: left;
    }

    /* Form elements */
    .selector-group {
        margin-bottom: var(--space-md);
    }
    
    .selector-label {
        font-size: 13px;
        margin-bottom: var(--space-xs);
    }

    .industry-select,
    .admin-select {
        font-size: 14px;
        padding: var(--space-md);
        min-height: 44px; /* Better touch target */
    }

    /* Checkbox items - better touch targets */
    .checkbox-group {
        padding: var(--space-sm);
    }
    
    .checkbox-item {
        padding: var(--space-md);
        margin-bottom: var(--space-xs);
    }
    
    .checkbox-item label {
        font-size: 14px;
        padding-left: var(--space-sm);
    }
    
    input[type="checkbox"],
    input[type="radio"] {
        width: 20px;
        height: 20px;
        min-width: 20px;
    }

    /* AI Results/Prompt display */
    .ai-results-display,
    .ai-prompt-display {
        font-size: 13px;
        line-height: 1.6;
        max-height: 300px;
        padding: var(--space-md);
    }
    
    .ai-results-empty,
    .ai-prompt-empty {
        font-size: 13px;
        padding: var(--space-xl) var(--space-md);
    }

    /* Auth card */
    .auth-container {
        margin: var(--space-xl) auto;
        padding: 0 var(--space-md);
    }

    .auth-card {
        padding: var(--space-xl);
        border-radius: var(--border-radius-md);
    }

    .auth-header {
        margin-bottom: var(--space-xl);
    }

    .auth-logo {
        width: 52px;
        height: 52px;
        font-size: 22px;
    }

    .auth-title {
        font-size: 22px;
    }

    .auth-subtitle {
        font-size: 14px;
    }

    .auth-input {
        padding: var(--space-md);
        font-size: 15px;
        min-height: 48px;
    }

    .auth-btn {
        padding: var(--space-md) var(--space-xl) !important;
        font-size: 15px !important;
        min-height: 48px;
    }
    
    .auth-toggle {
        font-size: 13px;
    }

    /* Admin panel */
    .admin-panel {
        width: 100%;
        right: -100%;
    }
    
    .admin-panel-content {
        padding: var(--space-lg) var(--space-md);
    }

    .admin-header {
        margin-bottom: var(--space-lg);
        padding-bottom: var(--space-md);
    }

    .admin-title {
        font-size: 20px;
    }

    .admin-close {
        width: 36px;
        height: 36px;
        font-size: 24px;
    }

    .admin-section {
        margin-bottom: var(--space-lg);
    }

    .admin-section-header {
        padding: var(--space-md);
    }

    .admin-section-icon {
        font-size: 20px;
    }

    .admin-section-title {
        font-size: 14px;
    }

    .admin-section-content {
        padding: var(--space-md);
    }

    .admin-description {
        font-size: 13px;
    }

    .admin-btn {
        padding: var(--space-md);
        font-size: 14px;
        min-height: 44px;
    }
    
    .admin-footer {
        padding: var(--space-md);
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .admin-footer .admin-btn {
        width: 100%;
    }

    /* Password input group */
    .password-input-group {
        margin-bottom: var(--space-md);
    }
    
    .password-requirements {
        padding: var(--space-sm);
    }
    
    .password-requirement {
        font-size: 12px;
    }

    /* Toast notifications */
    .toast-container {
        left: var(--space-md);
        right: var(--space-md);
        bottom: var(--space-md);
    }
    
    .toast {
        padding: var(--space-md);
    }
    
    .toast-title {
        font-size: 14px;
    }
    
    .toast-message {
        font-size: 13px;
    }

    /* Error messages */
    .error-message {
        font-size: 13px;
        padding: var(--space-md);
    }

    /* Badges */
    .badge {
        font-size: 11px;
        padding: var(--space-xs) var(--space-sm);
    }
}

/* ----------------------------------------
   Small Mobile Phones (max-width: 380px)
   ---------------------------------------- */
@media (max-width: 380px) {
    .container {
        padding: var(--space-md) var(--space-sm);
    }

    .navbar {
        padding: var(--space-sm);
    }

    .brand-name {
        font-size: 16px;
    }

    .logo {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .nav-right {
        gap: var(--space-xs);
    }
    
    .logout-btn {
        font-size: 12px;
        padding: var(--space-xs) var(--space-sm);
    }

    .page-title {
        font-size: 22px;
    }

    .page-subtitle {
        font-size: 12px;
    }

    .card-header {
        font-size: 14px;
        padding: var(--space-sm) var(--space-md);
    }
    
    .card-content {
        padding: var(--space-sm);
    }

    .upload-area {
        padding: var(--space-xl) var(--space-sm);
    }

    .upload-text {
        font-size: 14px;
    }

    .upload-subtext {
        font-size: 11px;
    }

    .browse-btn {
        padding: var(--space-sm) var(--space-lg);
        font-size: 13px;
    }

    .run-btn,
    .run-ai-btn {
        padding: var(--space-sm) var(--space-md);
        font-size: 13px;
    }

    .auth-card {
        padding: var(--space-lg);
    }

    .auth-title {
        font-size: 20px;
    }

    .auth-input {
        padding: var(--space-sm) var(--space-md);
        font-size: 14px;
        min-height: 44px;
    }

    .auth-btn {
        padding: var(--space-sm) var(--space-lg) !important;
        font-size: 14px !important;
        min-height: 44px;
    }
}

/* ----------------------------------------
   Landscape Mobile
   ---------------------------------------- */
@media (max-height: 500px) and (orientation: landscape) {
    .navbar {
        padding: var(--space-xs) var(--space-md);
    }
    
    .page-header {
        margin-bottom: var(--space-md);
    }
    
    .page-title {
        font-size: 24px;
    }
    
    .page-subtitle {
        display: none;
    }
    
    .auth-container {
        margin: var(--space-md) auto;
    }
    
    .auth-card {
        padding: var(--space-lg);
    }
    
    .auth-header {
        margin-bottom: var(--space-md);
    }
    
    .auth-logo {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .admin-panel {
        width: 60%;
        right: -60%;
    }
}

/* ----------------------------------------
   Touch Device Optimizations
   ---------------------------------------- */
@media (hover: none) and (pointer: coarse) {
    /* Disable hover effects on touch devices */
    .card:hover {
        transform: none;
        box-shadow: var(--shadow-md);
    }
    
    .card:hover::before {
        opacity: 0;
    }
    
    .btn:hover:not(:disabled) {
        transform: none;
    }
    
    /* Larger touch targets */
    .btn,
    .browse-btn,
    .run-btn,
    .run-ai-btn,
    .auth-btn,
    .admin-btn {
        min-height: 44px;
    }
    
    input,
    select,
    textarea {
        min-height: 44px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Active states for touch feedback */
    .btn:active:not(:disabled),
    .card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    /* Show card actions always on touch */
    .card-actions {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ----------------------------------------
   High DPI / Retina Displays
   ---------------------------------------- */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo,
    .auth-logo {
        /* Ensure crisp rendering on retina */
        image-rendering: -webkit-optimize-contrast;
    }
}

/* ----------------------------------------
   Print styles
   ---------------------------------------- */
@media print {
    .navbar,
    .sidebar,
    .admin-panel,
    button,
    .upload-area,
    .card-header-toggle {
        display: none !important;
    }
    
    body {
        background: white !important;
    }
    
    body::before {
        display: none;
    }
    
    .main-grid {
        display: block;
    }
    
    .main-content {
        max-width: 100%;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }
    
    .ai-results-display,
    .ai-prompt-display {
        max-height: none;
        overflow: visible;
    }
}

/* ----------------------------------------
   Reduced motion preference
   ---------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .logo::before,
    .auth-card::before,
    body::before {
        animation: none;
    }
}

/* ----------------------------------------
   Dark mode + Mobile combined
   ---------------------------------------- */
@media (max-width: 640px) {
    .dark-theme .card {
        background: rgba(30, 41, 59, 0.9);
    }
    
    .dark-theme .navbar {
        background: rgba(15, 23, 42, 0.95);
    }
    
    .dark-theme .admin-panel {
        background: var(--bg-overlay);
    }
}

/* ========================================
   STEPPER UI STYLES
   ======================================== */

/* Stepper Card Container */
.stepper-card {
    overflow: hidden;
}

/* Stepper Header */
.stepper-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 24px;
}

.dark-theme .stepper-header {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.8) 100%);
}

/* Stepper Track */
.stepper-track {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    max-width: 500px;
    margin: 0 auto;
}

/* Individual Step */
.stepper-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 1;
}

/* Step Circle */
.stepper-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #e2e8f0;
    border: 2px solid #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.dark-theme .stepper-circle {
    background: #334155;
    border-color: #475569;
}

.stepper-number {
    font-size: 14px;
    font-weight: 600;
    color: #64748b;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.dark-theme .stepper-number {
    color: #94a3b8;
}

.stepper-check {
    width: 18px;
    height: 18px;
    display: none;
    color: white;
    position: relative;
    z-index: 2;
}

/* Step Label */
.stepper-label {
    font-size: 13px;
    font-weight: 500;
    color: #64748b;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.dark-theme .stepper-label {
    color: #94a3b8;
}

/* Connector Line */
.stepper-connector {
    flex: 1;
    height: 2px;
    background: #e2e8f0;
    margin: 0 12px;
    margin-bottom: 24px;
    transition: background 0.4s ease;
    min-width: 60px;
    max-width: 100px;
}

.dark-theme .stepper-connector {
    background: #334155;
}

/* Active Step State */
.stepper-step.active .stepper-circle {
    background: #0EA5E9;
    border-color: #0EA5E9;
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.2);
}

.stepper-step.active .stepper-number {
    color: white;
}

.stepper-step.active .stepper-label {
    color: #0EA5E9;
    font-weight: 600;
}

/* Completed Step State */
.stepper-step.completed .stepper-circle {
    background: #10b981;
    border-color: #10b981;
    box-shadow: none;
}

.stepper-step.completed .stepper-number {
    display: none;
}

.stepper-step.completed .stepper-check {
    display: block;
}

.stepper-step.completed .stepper-label {
    color: #10b981;
}

/* Completed Connector */
.stepper-connector.completed {
    background: #10b981;
}

/* Stepper Content Area */
.stepper-content {
    padding: 24px;
    min-height: 200px;
}

/* Stepper Panels */
.stepper-panel {
    display: none;
    animation: fadeInUp 0.3s ease;
}

.stepper-panel.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Upload Area in Stepper */
.stepper-panel .upload-area {
    margin: 0;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 30px;
    text-align: center;
}

.stepper-panel .upload-area .upload-icon {
    margin-bottom: 16px;
}

.stepper-panel .upload-area .upload-text {
    margin-bottom: 8px;
}

.stepper-panel .upload-area .upload-subtext {
    margin-bottom: 20px;
}

.stepper-panel .upload-area .browse-btn {
    margin-top: 8px;
}

/* Uploaded File Chip */
.uploaded-file-chip {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 1px solid #6ee7b7;
    border-radius: 12px;
    margin-bottom: 16px;
}

.dark-theme .uploaded-file-chip {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.1) 100%);
    border-color: #059669;
}

.file-chip-icon {
    width: 40px;
    height: 40px;
    background: rgba(16, 185, 129, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-chip-icon svg {
    width: 22px;
    height: 22px;
    color: #059669;
}

.file-chip-details {
    flex: 1;
    min-width: 0;
}

.file-chip-name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-chip-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #059669;
    margin-top: 2px;
}

.file-chip-separator {
    opacity: 0.5;
}

.file-chip-status {
    font-weight: 500;
}

.file-chip-remove {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.file-chip-remove svg {
    width: 18px;
    height: 18px;
    color: #6ee7b7;
    transition: color 0.2s ease;
}

.file-chip-remove:hover {
    background: rgba(16, 185, 129, 0.2);
}

.file-chip-remove:hover svg {
    color: #059669;
}

/* Analysis Info Row */
.analysis-info-row {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 12px 16px;
    background: var(--bg-hover);
    border-radius: 10px;
    margin-bottom: 20px;
}

.dark-theme .analysis-info-row {
    background: rgba(51, 65, 85, 0.5);
}

.analysis-info-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-icon {
    font-size: 16px;
}

.info-text {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Run AI Button in Stepper */
.stepper-panel .run-ai-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 24px;
    background: linear-gradient(135deg, #0EA5E9 0%, #0284c7 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.35);
}

.stepper-panel .run-ai-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.45);
}

.stepper-panel .run-ai-btn:active:not(:disabled) {
    transform: translateY(0);
}

.stepper-panel .run-ai-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.stepper-panel .run-ai-btn .btn-icon {
    width: 20px;
    height: 20px;
}

/* Results Header */
.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 1px solid #6ee7b7;
    border-radius: 12px;
    margin-bottom: 16px;
}

.dark-theme .results-header {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.1) 100%);
    border-color: #059669;
}

.results-summary {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.results-icon {
    width: 40px;
    height: 40px;
    background: rgba(16, 185, 129, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.results-icon svg {
    width: 22px;
    height: 22px;
    color: #059669;
}

.results-info {
    flex: 1;
    min-width: 0;
}

.results-title {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: #059669;
}

.results-meta {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.results-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

/* Save to Drive Button */
.results-actions .save-drive-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.dark-theme .results-actions .save-drive-btn {
    background: #1e293b;
    border-color: #334155;
}

.results-actions .save-drive-btn:hover:not(:disabled) {
    background: #f8fafc;
    border-color: #0EA5E9;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.15);
}

.dark-theme .results-actions .save-drive-btn:hover:not(:disabled) {
    background: #334155;
}

.results-actions .save-drive-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Results Toggle Button */
.results-toggle-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #64748b;
    cursor: pointer;
    transition: all 0.2s ease;
}

.results-toggle-btn:hover {
    background: #e2e8f0;
    color: #475569;
}

.results-toggle-btn .toggle-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
}

.results-toggle-btn.expanded .toggle-icon {
    transform: rotate(180deg);
}

.dark-theme .results-toggle-btn {
    background: #334155;
    border-color: #475569;
    color: #94a3b8;
}

.dark-theme .results-toggle-btn:hover {
    background: #475569;
    color: #e2e8f0;
}

/* Collapsible Results Container */
.results-collapsible {
    max-height: 600px;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.2s ease;
}

.results-collapsible.collapsed {
    max-height: 0;
    opacity: 0;
}

.results-collapsible:not(.collapsed) {
    opacity: 1;
}

/* Empty Results State */
.ai-results-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    color: var(--text-muted);
    text-align: center;
}

.ai-results-empty .empty-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* Responsive Stepper */
@media (max-width: 640px) {
    .stepper-header {
        padding: 16px;
    }
    
    .stepper-track {
        gap: 0;
    }
    
    .stepper-circle {
        width: 32px;
        height: 32px;
    }
    
    .stepper-number {
        font-size: 13px;
    }
    
    .stepper-label {
        font-size: 11px;
    }
    
    .stepper-connector {
        min-width: 40px;
        margin: 0 8px;
        margin-bottom: 22px;
    }
    
    .stepper-content {
        padding: 16px;
    }
    
    .uploaded-file-chip {
        padding: 12px;
    }
    
    .file-chip-icon {
        width: 36px;
        height: 36px;
    }
    
    .analysis-info-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .results-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .results-actions {
        justify-content: stretch;
    }
    
    .results-actions .save-drive-btn {
        flex: 1;
        justify-content: center;
    }
}

/* ========================================
   RESULTS EXPORT BAR
   ======================================== */
.results-export-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 18px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    margin-top: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.dark-theme .results-export-bar {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.6) 100%);
    border-color: rgba(148, 163, 184, 0.2);
}

.export-bar-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.export-bar-label {
    font-size: 13px;
    font-weight: 600;
    color: #64748b;
    margin-right: 4px;
}

.dark-theme .export-bar-label {
    color: #94a3b8;
}

.export-bar-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid #e2e8f0;
    background: white;
    color: #475569;
}

.export-bar-btn:hover {
    border-color: #0EA5E9;
    color: #0EA5E9;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.15);
}

.export-bar-btn.primary {
    background: linear-gradient(135deg, #0EA5E9, #2563EB);
    color: white;
    border: none;
}

.export-bar-btn.primary:hover {
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
    transform: translateY(-1px);
}

.dark-theme .export-bar-btn {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(148, 163, 184, 0.3);
    color: #cbd5e1;
}

.dark-theme .export-bar-btn:hover {
    border-color: #38bdf8;
    color: #38bdf8;
}

.export-bar-right {
    display: flex;
    align-items: center;
}

/* New Analysis Button */
.new-analysis-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}

.new-analysis-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
}

.new-analysis-btn:active {
    transform: translateY(0);
}

.new-analysis-btn svg {
    flex-shrink: 0;
}

@media (max-width: 640px) {
    .results-export-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .export-bar-left {
        justify-content: center;
    }
    
    .export-bar-right {
        justify-content: center;
    }
    
    .new-analysis-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ========================================
   REPORT OPTIONS CONTAINER
   ======================================== */
.report-options-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px 0;
}

.report-options-container .checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.report-options-container .checkbox-item:hover {
    background: #f1f5f9;
    border-color: var(--color-primary);
}

.report-options-container .checkbox-item label {
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
}

.dark-theme .report-options-container .checkbox-item {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(148, 163, 184, 0.2);
}

.dark-theme .report-options-container .checkbox-item:hover {
    background: rgba(51, 65, 85, 0.6);
}

.dark-theme .report-options-container .checkbox-item label {
    color: #e2e8f0;
}