/* Base Theme CSS - Applied to all pages */

/* CSS Variables - Unified Theme - Minimal White Design */
:root {
    /* Minimal Accent Colors - Subtle and Clean */
    --google-blue: #007AFF;
    --google-blue-hover: #0051D5;
    --google-blue-light: #5AC8FA;
    --google-blue-bg: #F5F5F7;
    
    /* Primary Colors - Minimal Blue Accent */
    --primary-color: #007AFF;
    --primary-hover: #0051D5;
    --accent-color: #007AFF;
    --light-accent: #F5F5F7;
    --secondary-color: #86868B;
    
    /* Status Colors */
    --danger-color: #dc2626;
    --danger-hover: #b91c1c;
    --success-color: #059669;
    --success-hover: #047857;
    --success-green: #34a853;
    
    /* Accent Colors for Small Details - Google Material Design Palette */
    --accent-blue: #4285F4;
    --accent-green: #34A853;
    --accent-yellow: #FBBC04;
    --accent-red: #EA4335;
    --accent-purple: #9C27B0;
    --accent-orange: #FF9800;
    --accent-teal: #009688;
    --accent-pink: #E91E63;
    
    /* Light Accent Backgrounds */
    --accent-blue-bg: #E8F0FE;
    --accent-green-bg: #E6F4EA;
    --accent-yellow-bg: #FEF7E0;
    --accent-red-bg: #FCE8E6;
    --accent-purple-bg: #F3E5F5;
    --accent-orange-bg: #FFF3E0;
    --accent-teal-bg: #E0F2F1;
    --accent-pink-bg: #FCE4EC;
    
    /* Text Colors */
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --text-dark: #202124;
    --text-light: #f7fafc;
    
    /* Background Colors - Clean White */
    --bg-white: #ffffff;
    --bg-light: #FBFBFD;
    --bg-light-alt: #F5F5F7;
    
    /* Border Colors - Subtle Gray */
    --border-color: #D2D2D7;
    --border-color-alt: #E5E5EA;
}

/* Dark Mode Theme */
[data-theme="dark"] {
    /* Primary Colors - Adjusted for dark mode */
    --google-blue: #4DA3FF;
    --google-blue-hover: #7FBFFF;
    --google-blue-light: #7CC4FA;
    --google-blue-bg: #1a1a2e;
    
    --primary-color: #4DA3FF;
    --primary-hover: #7FBFFF;
    --accent-color: #4DA3FF;
    --light-accent: #1f2937;
    --secondary-color: #9CA3AF;
    
    /* Status Colors - Slightly brighter for dark mode */
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --success-color: #10b981;
    --success-hover: #059669;
    --success-green: #4ade80;
    
    /* Accent Colors - Brighter for dark backgrounds */
    --accent-blue: #60a5fa;
    --accent-green: #4ade80;
    --accent-yellow: #fbbf24;
    --accent-red: #f87171;
    --accent-purple: #c084fc;
    --accent-orange: #fb923c;
    --accent-teal: #2dd4bf;
    --accent-pink: #f472b6;
    
    /* Dark Accent Backgrounds */
    --accent-blue-bg: #1e3a5f;
    --accent-green-bg: #14532d;
    --accent-yellow-bg: #422006;
    --accent-red-bg: #450a0a;
    --accent-purple-bg: #3b0764;
    --accent-orange-bg: #431407;
    --accent-teal-bg: #134e4a;
    --accent-pink-bg: #500724;
    
    /* Text Colors - Light text for dark backgrounds */
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-dark: #f3f4f6;
    --text-light: #1f2937;
    
    /* Background Colors - Dark theme */
    --bg-white: #111827;
    --bg-light: #1f2937;
    --bg-light-alt: #374151;
    
    /* Border Colors - Darker borders */
    --border-color: #4b5563;
    --border-color-alt: #374151;
}

/* Base Body Styles */
body {
    font-family: 'Google Sans', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-white);
    line-height: 1.5;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 400;
    letter-spacing: 0;
    margin-bottom: 1rem;
}

h1 {
    font-size: 48px;
    line-height: 1.2;
    font-weight: 400;
}

h2 {
    font-size: 32px;
    line-height: 1.3;
}

.text-primary {
    color: var(--primary-color) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

.text-muted {
    color: var(--text-secondary) !important;
}

.lead {
    font-size: 18px;
    line-height: 1.6;
}

/* Common Container Styles */
.container-card,
.interest-container,
.interest-form,
.interest-list,
.reading-container,
.reading-form,
.reading-list,
.insights-container,
.insights-list,
.profile-container {
    background-color: var(--bg-white);
    border-radius: 8px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
    padding: 1.5rem;
}

/* Button Base Styles - Minimal Design */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
    border-radius: 8px;
    padding: 12px 24px;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: -0.01em;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: none;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

.btn-primary:active {
    box-shadow: 0 1px 2px 0 rgba(60,64,67,.3), 0 1px 3px 1px rgba(60,64,67,.15);
    transform: translateY(0);
}

.btn-danger {
    background-color: #ea4335;
    border-color: #ea4335;
    color: #ffffff;
    border-radius: 24px;
    padding: 12px 24px;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.25px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 2px 0 rgba(60,64,67,.3), 0 1px 3px 1px rgba(60,64,67,.15);
    border: none;
}

.btn-danger:hover {
    background-color: #d33b2c;
    border-color: #d33b2c;
    box-shadow: 0 1px 3px 0 rgba(60,64,67,.3), 0 4px 8px 3px rgba(60,64,67,.15);
    transform: translateY(-1px);
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease;
    border: none;
}

.btn-success:hover {
    background-color: var(--success-hover);
    border-color: var(--success-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--border-color);
    border-radius: 8px;
    padding: 12px 24px;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: -0.01em;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--bg-light-alt);
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.btn-outline-danger {
    color: #ea4335;
    border-color: #ea4335;
    border-radius: 24px;
    padding: 12px 24px;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.25px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: transparent;
}

.btn-outline-danger:hover {
    background-color: #ea4335;
    color: white;
    border-color: #ea4335;
    box-shadow: 0 1px 3px 0 rgba(60,64,67,.3), 0 4px 8px 3px rgba(60,64,67,.15);
}

.btn-light {
    background-color: #ffffff;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 24px;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: -0.01em;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-light:hover {
    background-color: var(--bg-light-alt);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
    border-color: var(--border-color-alt);
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.5);
    color: #ffffff;
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 20px;
    transition: all 0.2s ease;
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
    color: #ffffff;
}

/* Form Controls */
.form-control {
    border: 1px solid var(--border-color);
    padding: 0.875rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--light-accent);
    outline: none;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
    font-family: inherit;
}

.form-label {
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.form-check-input {
    border-color: var(--border-color);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Badge Styles */
.badge {
    padding: 0.25em 0.5em;
    font-weight: 500;
    border-radius: 6px;
    font-size: 0.875rem;
}

.badge.bg-primary {
    background-color: var(--primary-color) !important;
}

/* List Group Items */
.list-group-item,
.reading-item,
.insight-item {
    border: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
    border-radius: 8px;
    padding: 1rem 1.5rem;
    transition: all 0.2s ease;
    background-color: var(--bg-white);
}

.list-group-item:hover,
.reading-item:hover,
.insight-item:hover {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
    border-color: #cbd5e0;
    transform: translateY(-1px);
}

/* Navbar Styles */
.navbar {
    background-color: var(--bg-white);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.25rem;
    text-decoration: none;
}

.navbar-brand:hover {
    color: var(--primary-color);
}

.navbar-welcome-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-right: 1rem;
}

.navbar-nav-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nav-link-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.875rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    font-weight: 500;
    border: none;
    background: transparent;
}

.nav-link-item i {
    font-size: 0.85rem;
    opacity: 0.8;
}

.nav-link-item:hover {
    background-color: var(--light-accent);
    color: var(--primary-color);
}

.nav-link-item.active {
    background-color: var(--light-accent);
    color: var(--primary-color);
}

.nav-link-item.nav-link-logout {
    color: #ea4335;
}

.nav-link-item.nav-link-logout:hover {
    background-color: #fce8e6;
    color: #d33b2c;
}

/* Modal Styles */
.modal-content {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 2px 0 rgba(60,64,67,.3), 0 1px 3px 1px rgba(60,64,67,.15);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 1.5rem 1rem 1.5rem;
    background-color: var(--bg-white);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem 1.5rem 1.5rem;
    background-color: var(--bg-white);
}

.modal-title {
    color: var(--text-primary);
    font-weight: 400;
    font-size: 1.25rem;
}

/* Utility Classes */
.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-light {
    background-color: var(--bg-light) !important;
}

.bg-dark {
    background-color: var(--bg-light-alt) !important;
}

.border-light {
    border-color: var(--border-color) !important;
}

.rounded-circle {
    background-color: var(--google-blue) !important;
    color: #ffffff;
}

/* Dark Mode Toggle Button */
.theme-toggle-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.theme-toggle-btn:hover {
    background-color: var(--light-accent);
    color: var(--primary-color);
}

/* Show/hide icons based on theme */
.theme-toggle-btn .dark-mode-icon {
    display: inline-block;
}

.theme-toggle-btn .light-mode-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle-btn .dark-mode-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle-btn .light-mode-icon {
    display: inline-block;
    color: #fbbf24;
}

/* Dark mode specific overrides for elements with hardcoded colors */
[data-theme="dark"] body {
    background-color: var(--bg-white);
    color: var(--text-primary);
}

[data-theme="dark"] .navbar {
    background-color: var(--bg-white) !important;
    border-bottom-color: var(--border-color) !important;
}

[data-theme="dark"] .modal-content {
    background-color: var(--bg-white);
    border-color: var(--border-color);
}

[data-theme="dark"] .form-control {
    background-color: var(--bg-light);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control::placeholder {
    color: var(--text-secondary);
}

[data-theme="dark"] .list-group-item,
[data-theme="dark"] .reading-item,
[data-theme="dark"] .insight-item {
    background-color: var(--bg-white);
    border-color: var(--border-color);
}

[data-theme="dark"] .list-group-item:hover,
[data-theme="dark"] .reading-item:hover,
[data-theme="dark"] .insight-item:hover {
    background-color: var(--bg-light);
}

[data-theme="dark"] .card,
[data-theme="dark"] .container-card {
    background-color: var(--bg-white);
    border-color: var(--border-color);
}

[data-theme="dark"] .alert {
    background-color: var(--bg-light);
    border-color: var(--border-color);
}

[data-theme="dark"] .dropdown-menu {
    background-color: var(--bg-white);
    border-color: var(--border-color);
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-primary);
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--bg-light);
}

[data-theme="dark"] .btn-light {
    background-color: var(--bg-light);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .btn-light:hover {
    background-color: var(--bg-light-alt);
}

[data-theme="dark"] .btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

[data-theme="dark"] .btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

[data-theme="dark"] .table {
    color: var(--text-primary);
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) {
    background-color: var(--bg-light);
}

[data-theme="dark"] hr {
    border-color: var(--border-color);
}

[data-theme="dark"] .text-muted {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] a {
    color: var(--primary-color);
}

[data-theme="dark"] .keyword-input-container {
    background-color: var(--bg-light);
    border-color: var(--border-color);
}

[data-theme="dark"] .keyword-input-container input {
    background-color: transparent;
    color: var(--text-primary);
}

/* Mobile Navbar Hamburger Menu */
.navbar-mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 1.25rem;
    z-index: 1001;
}

.navbar-mobile-toggle .close-icon {
    display: none;
}

.mobile-menu-open .navbar-mobile-toggle .hamburger-icon {
    display: none;
}

.mobile-menu-open .navbar-mobile-toggle .close-icon {
    display: inline-block;
}

.navbar-mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
    z-index: 1000;
}

.mobile-menu-open .navbar-mobile-menu {
    display: block;
}

.mobile-menu-welcome {
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background-color 0.2s ease;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.mobile-nav-link i,
.mobile-nav-link svg {
    width: 20px;
    opacity: 0.7;
}

.mobile-nav-link:hover {
    background-color: var(--light-accent);
    color: var(--primary-color);
}

.mobile-nav-link.active {
    background-color: var(--light-accent);
    color: var(--primary-color);
}

.mobile-nav-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 0.5rem 0;
}

.mobile-nav-logout {
    color: var(--danger-color);
}

.mobile-nav-logout:hover {
    background-color: #fee2e2;
    color: var(--danger-hover);
}

/* Theme toggle in mobile menu */
.theme-toggle-mobile .dark-mode-text,
.theme-toggle-mobile .light-mode-icon {
    display: inline;
}

.theme-toggle-mobile .light-mode-text,
[data-theme="dark"] .theme-toggle-mobile .dark-mode-text {
    display: none;
}

[data-theme="dark"] .theme-toggle-mobile .light-mode-text {
    display: inline;
}

[data-theme="dark"] .theme-toggle-mobile .dark-mode-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle-mobile .light-mode-icon {
    display: inline;
    color: #fbbf24;
}

/* Dark mode for mobile menu */
[data-theme="dark"] .navbar-mobile-menu {
    background-color: var(--bg-white);
    border-bottom-color: var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .mobile-menu-welcome {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .mobile-nav-link:hover {
    background-color: var(--bg-light);
}

[data-theme="dark"] .mobile-nav-logout:hover {
    background-color: rgba(239, 68, 68, 0.15);
}

/* Responsive adjustments */
@media (max-width: 991px) {
    .navbar {
        position: relative;
    }
    
    .navbar > .container {
        flex-wrap: nowrap !important;
        justify-content: space-between;
    }
    
    .navbar-mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .navbar-welcome-text {
        display: none !important;
    }
}

@media (max-width: 767px) {
    h1 {
        font-size: 36px;
    }
    
    h2 {
        font-size: 28px;
    }
    
    .container-card,
    .interest-container,
    .interest-form,
    .interest-list,
    .reading-container,
    .reading-form,
    .reading-list,
    .insights-container,
    .insights-list,
    .profile-container {
        padding: 1rem;
        border-radius: 6px;
    }
}

@media (min-width: 992px) {
    .navbar-mobile-toggle,
    .navbar-mobile-menu {
        display: none !important;
    }
}