/*
 * chtsht Light/Dark Theme System
 * Supports user preference and manual toggle
 */

/* ===== Light Theme (Default) ===== */
:root {
    /* Background colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-code: #f6f8fa;
    --bg-hover: #f1f3f5;

    /* Text colors */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --text-inverse: #ffffff;

    /* Border colors */
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    --border-dark: #adb5bd;

    /* Brand colors */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #64748b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;

    /* Card/Component colors */
    --card-bg: #ffffff;
    --card-border: #e5e7eb;
    --card-shadow: rgba(0, 0, 0, 0.1);

    /* Code/Syntax colors */
    --code-bg: #f6f8fa;
    --code-text: #24292e;
    --code-comment: #6a737d;
    --code-keyword: #d73a49;
    --code-string: #032f62;

    /* Navbar colors */
    --navbar-bg: #ffffff;
    --navbar-text: #212529;
    --navbar-hover: #f8f9fa;
    --navbar-active: #e9ecef;

    /* Footer colors */
    --footer-bg: #f8f9fa;
    --footer-text: #6c757d;

    /* Form colors */
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --input-focus-border: #2563eb;
    --input-text: #212529;

    /* Link colors */
    --link-color: #2563eb;
    --link-hover: #1d4ed8;
    --link-visited: #7c3aed;
}

/* ===== Dark Theme ===== */
[data-theme="dark"] {
    /* Background colors */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-code: #1e293b;
    --bg-hover: #334155;

    /* Text colors */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #0f172a;

    /* Border colors */
    --border-color: #334155;
    --border-light: #1e293b;
    --border-dark: #475569;

    /* Brand colors (slightly adjusted for dark mode) */
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --secondary: #94a3b8;
    --success: #22c55e;
    --danger: #f87171;
    --warning: #fbbf24;
    --info: #60a5fa;

    /* Card/Component colors */
    --card-bg: #1e293b;
    --card-border: #334155;
    --card-shadow: rgba(0, 0, 0, 0.3);

    /* Code/Syntax colors (Tomorrow Night theme) */
    --code-bg: #1e293b;
    --code-text: #c9d1d9;
    --code-comment: #8b949e;
    --code-keyword: #ff7b72;
    --code-string: #a5d6ff;

    /* Navbar colors */
    --navbar-bg: #1e293b;
    --navbar-text: #f1f5f9;
    --navbar-hover: #334155;
    --navbar-active: #475569;

    /* Footer colors */
    --footer-bg: #1e293b;
    --footer-text: #94a3b8;

    /* Form colors */
    --input-bg: #1e293b;
    --input-border: #475569;
    --input-focus-border: #3b82f6;
    --input-text: #f1f5f9;

    /* Link colors */
    --link-color: #60a5fa;
    --link-hover: #93c5fd;
    --link-visited: #a78bfa;
}

/* ===== Apply Theme Colors ===== */

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Navbar */
.navbar {
    background-color: var(--navbar-bg) !important;
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand, .nav-link {
    color: var(--navbar-text) !important;
}

.nav-link:hover {
    background-color: var(--navbar-hover);
    border-radius: 0.25rem;
}

.nav-link.active {
    background-color: var(--navbar-active) !important;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border-color: var(--card-border);
    color: var(--text-primary);
}

.card-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.card-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

/* Lists */
.list-group-item {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.list-group-item:hover {
    background-color: var(--bg-hover);
}

/* Forms */
.form-control, .form-select {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--input-text);
}

.form-control:focus, .form-select:focus {
    background-color: var(--input-bg);
    border-color: var(--input-focus-border);
    color: var(--input-text);
    box-shadow: 0 0 0 0.25rem rgba(37, 99, 235, 0.25);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--text-inverse);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

/* Links */
a {
    color: var(--link-color);
}

a:hover {
    color: var(--link-hover);
}

/* Modals */
.modal-content {
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.modal-header {
    border-bottom-color: var(--border-color);
}

.modal-footer {
    border-top-color: var(--border-color);
}

/* Tables */
.table {
    color: var(--text-primary);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--bg-secondary);
}

.table-hover > tbody > tr:hover > * {
    background-color: var(--bg-hover);
}

/* Code blocks */
pre, code {
    background-color: var(--code-bg);
    color: var(--code-text);
    border: 1px solid var(--border-color);
}

/* Alerts */
.alert-primary {
    background-color: var(--bg-secondary);
    border-color: var(--primary);
    color: var(--text-primary);
}

/* Badges */
.badge {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Footer */
footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    border-top: 1px solid var(--border-color);
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
}

.theme-toggle:hover {
    background-color: var(--bg-hover);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle .theme-icon {
    width: 1.25rem;
    height: 1.25rem;
    stroke: var(--text-primary);
    transition: all 0.3s ease;
}

/* Icon visibility - controlled by JS */
.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: inline-block;
}

/* Smooth transitions for theme changes */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* Override Bootstrap dark text utilities for dark mode */
[data-theme="dark"] .text-muted {
    color: var(--text-muted) !important;
}

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

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

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

/* Prism.js syntax highlighting adjustments for dark mode */
[data-theme="dark"] .token.comment,
[data-theme="dark"] .token.prolog,
[data-theme="dark"] .token.doctype,
[data-theme="dark"] .token.cdata {
    color: var(--code-comment);
}

[data-theme="dark"] .token.keyword {
    color: var(--code-keyword);
}

[data-theme="dark"] .token.string {
    color: var(--code-string);
}


/* ===== Snippet Cards ===== */
.snippet-card {
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    position: relative;
}

.snippet-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Make the entire card clickable via the title link */
.snippet-card .card-title a::after,
.snippet-card h6.card-title a::after,
.snippet-card h5.card-title a::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1;
}

/* Keep other links (like username, tags) above the card overlay */
.snippet-card a:not(.card-title a) {
    position: relative;
    z-index: 2;
}

/* ===== Bootstrap Override: Theme-Aware Utility Classes ===== */

/* Override bg-light to use theme variable */
.bg-light {
    background-color: var(--bg-secondary) !important;
}

/* Override bg-white to use theme variable */
.bg-white {
    background-color: var(--card-bg) !important;
}

/* Override bg-dark for language badges and headers */
.badge.bg-dark {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

/* Override card headers with bg-dark */
.card-header.bg-dark {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

/* Override text-white to adapt to theme */
.card-header.bg-dark .text-white,
.bg-dark.text-white {
    color: var(--text-primary) !important;
}

/* Override text-dark to adapt to theme */
.text-dark {
    color: var(--text-primary) !important;
}

/* Override footer bg-light */
footer.bg-light {
    background-color: var(--footer-bg) !important;
    color: var(--footer-text) !important;
}

/* Override code blocks with bg-dark */
pre.bg-dark {
    background-color: var(--code-bg) !important;
}

pre.bg-dark.text-light,
pre.bg-dark .text-light {
    color: var(--code-text) !important;
}

/* Override code inline with bg-white */
code.bg-white {
    background-color: var(--code-bg) !important;
    color: var(--code-text) !important;
    border: 1px solid var(--border-color);
}

/* Override card-footer with bg-white */
.card-footer.bg-white {
    background-color: var(--card-bg) !important;
}

/* Override search card header */
.card-header.bg-dark.text-white {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

/* Override modal headers with colored backgrounds */
.modal-header.bg-success,
.modal-header.bg-primary,
.modal-header.bg-info {
    background-color: var(--primary) !important;
    color: var(--text-inverse) !important;
}

.modal-header.bg-success.text-white,
.modal-header.bg-primary.text-white {
    color: var(--text-inverse) !important;
}

/* Override toast backgrounds */
.toast-body.bg-success {
    background-color: var(--success) !important;
    color: var(--text-inverse) !important;
}

/* Override credit card with bg-primary */
.card.bg-primary.text-white {
    background-color: var(--primary) !important;
    color: var(--text-inverse) !important;
}

/* Override sections with bg-light */
section.bg-light {
    background-color: var(--bg-secondary) !important;
}

/* Override general cards with bg-light */
.card.bg-light {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

/* Override dashboard header */
.card-header.bg-primary.text-white {
    background-color: var(--primary) !important;
    color: var(--text-inverse) !important;
}

/* Override feature icon circles on home page */
.bg-primary.text-white,
.bg-success.text-white,
.bg-info.text-white,
.bg-warning.text-white,
.bg-secondary.text-white {
    /* Keep these colored for visual hierarchy, but make them slightly transparent in dark mode */
    opacity: 1;
}

[data-theme="dark"] .bg-primary.text-white,
[data-theme="dark"] .bg-success.text-white,
[data-theme="dark"] .bg-info.text-white,
[data-theme="dark"] .bg-warning.text-white,
[data-theme="dark"] .bg-secondary.text-white {
    /* Slightly muted in dark mode for better contrast */
    filter: brightness(0.9);
}

/* Override text-white on dark backgrounds to adapt */
.text-white {
    color: var(--text-inverse) !important;
}

/* Special handling for CTA section gradient */
[data-theme="dark"] .text-white {
    /* Keep truly white text on gradient backgrounds */
    color: #ffffff !important;
}

/* Override badge with bg-warning text-dark */
.badge.bg-warning.text-dark {
    background-color: var(--warning) !important;
    color: var(--text-inverse) !important;
}

/* Override search filter badges */
.badge.text-white {
    color: var(--text-inverse) !important;
}

/* Override links with text-dark */
a.text-dark {
    color: var(--text-primary) !important;
}

a.text-dark:hover {
    color: var(--link-hover) !important;
}

/* Override border-top-0 combined with bg-white */
.card-footer.bg-white.border-top-0 {
    background-color: var(--card-bg) !important;
    border-top: 1px solid var(--border-color) !important;
}

/* Fix card header with bg-light */
.card-header.bg-light {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

/* ===== Tag Filter Badge Theme Support ===== */
.tag-filter-badge.tag-selected {
    color: white !important;
}

.tag-filter-badge.tag-unselected {
    color: rgba(0, 0, 0, 0.75) !important;
}

[data-theme="dark"] .tag-filter-badge.tag-unselected {
    color: rgba(255, 255, 255, 0.85) !important;
}