/**
 * Clark Theme System
 * CSS Custom Properties for light/dark theme support
 * Brand colour: Mustard Yellow #FFCC00 / rgb(255, 204, 0)
 */

/* ============================================
   LIGHT THEME (Default)
   Clean white background with mustard accents
   ============================================ */
:root,
[data-theme="light"] {
    /* Brand - Mustard Yellow palette */
    --clark-mustard: rgb(255, 204, 0);
    --clark-mustard-light: rgba(255, 204, 0, 0.1);
    --clark-mustard-dark: rgb(230, 184, 0);
    --brand-primary: rgb(255, 204, 0);
    --brand-primary-hover: rgb(230, 184, 0);
    --brand-primary-active: rgb(204, 163, 0);
    --brand-light: rgba(255, 204, 0, 0.15);
    --brand-lighter: rgba(255, 204, 0, 0.08);

    /* Backgrounds */
    --background: #ffffff;
    --background-light: #f8f9fa;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f0f0f0;
    --bg-card: #ffffff;
    --bg-card-hover: rgba(255, 204, 0, 0.05);
    --bg-highlight: rgba(255, 204, 0, 0.1);

    /* Text */
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-muted: #95a5a6;
    --text-on-brand: #1a1a1a;
    --text-inverse: #ffffff;

    /* UI Elements */
    --border: #e1e8ed;
    --border-color: #e1e8ed;
    --border-color-strong: #bdc3c7;
    --border-brand: rgb(255, 204, 0);

    /* Shadows */
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
    --shadow-brand: 0 4px 14px rgba(255, 204, 0, 0.25);

    /* Status colours */
    --success: #27ae60;
    --success-bg: #d4edda;
    --warning: #f39c12;
    --warning-bg: #fff3cd;
    --error: #e74c3c;
    --error-bg: #f8d7da;
    --info: #3498db;
    --info-bg: #d1ecf1;

    /* Interactive states */
    --hover-overlay: rgba(255, 204, 0, 0.08);
    --focus-ring: rgba(255, 204, 0, 0.4);

    /* Scrollbar */
    --scrollbar-track: #f0f0f0;
    --scrollbar-thumb: #c0c0c0;
    --scrollbar-thumb-hover: #a0a0a0;

    /* Modal */
    --modal-backdrop: rgba(0, 0, 0, 0.5);
    --modal-bg: #ffffff;

    /* Header/Footer specific */
    --header-bg: #ffffff;
    --footer-bg: #ffffff;
}

/* ============================================
   DARK THEME
   Dark background with mustard yellow accents
   ============================================ */
[data-theme="dark"] {
    /* Brand - Mustard Yellow (same core, adjusted variants) */
    --clark-mustard: rgb(255, 204, 0);
    --clark-mustard-light: rgba(255, 204, 0, 0.15);
    --clark-mustard-dark: rgb(255, 214, 51);
    --brand-primary: rgb(255, 204, 0);
    --brand-primary-hover: rgb(255, 214, 51);
    --brand-primary-active: rgb(255, 224, 102);
    --brand-light: rgba(255, 204, 0, 0.2);
    --brand-lighter: rgba(255, 204, 0, 0.1);

    /* Backgrounds */
    --background: #121212;
    --background-light: #1e1e1e;
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-tertiary: #2a2a2a;
    --bg-card: #1e1e1e;
    --bg-card-hover: #2a2a2a;
    --bg-highlight: rgba(255, 204, 0, 0.15);

    /* Text */
    --text-primary: #f5f5f5;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --text-on-brand: #1a1a1a;
    --text-inverse: #1a1a1a;

    /* UI Elements */
    --border: #333333;
    --border-color: #333333;
    --border-color-strong: #444444;
    --border-brand: rgb(255, 204, 0);

    /* Shadows */
    --shadow: rgba(0, 0, 0, 0.4);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.5);
    --shadow-brand: 0 4px 14px rgba(255, 204, 0, 0.3);

    /* Status colours - adjusted for dark bg */
    --success: #2ecc71;
    --success-bg: rgba(46, 204, 113, 0.15);
    --warning: #f1c40f;
    --warning-bg: rgba(241, 196, 15, 0.15);
    --error: #e74c3c;
    --error-bg: rgba(231, 76, 60, 0.15);
    --info: #3498db;
    --info-bg: rgba(52, 152, 219, 0.15);

    /* Interactive states */
    --hover-overlay: rgba(255, 204, 0, 0.12);
    --focus-ring: rgba(255, 204, 0, 0.5);

    /* Scrollbar */
    --scrollbar-track: #1e1e1e;
    --scrollbar-thumb: #444444;
    --scrollbar-thumb-hover: #555555;

    /* Modal */
    --modal-backdrop: rgba(0, 0, 0, 0.7);
    --modal-bg: #1e1e1e;

    /* Header/Footer specific */
    --header-bg: #1a1a1a;
    --footer-bg: #1a1a1a;
}

/* ============================================
   SMOOTH THEME TRANSITIONS
   ============================================ */
html {
    transition: background-color 0.3s ease, color 0.3s ease;
}

body,
.header,
.footer,
.modal-content,
.card,
.feature-card {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* ============================================
   THEME TOGGLE COMPONENT
   ============================================ */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    background: transparent;
    border: none;
    border-radius: 10px;
    padding: 0;
    gap: 4px;
}

.theme-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s ease;
}

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

.theme-toggle-btn:focus {
    outline: none;
    box-shadow: none;
}

.theme-toggle-btn.active {
    background: transparent;
    color: var(--brand-primary);
}

.theme-toggle-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ============================================
   DARK THEME SPECIFIC OVERRIDES
   ============================================ */

/* Header */
[data-theme="dark"] .header {
    background: var(--header-bg) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3) !important;
}

/* Footer */
[data-theme="dark"] .footer {
    background: var(--footer-bg) !important;
    border-top-color: var(--border-color) !important;
}

/* Modal */
[data-theme="dark"] .modal {
    background-color: var(--modal-backdrop);
}

[data-theme="dark"] .modal-content {
    background-color: var(--modal-bg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Form inputs */
[data-theme="dark"] .form-input,
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] textarea {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-input:focus,
[data-theme="dark"] input[type="text"]:focus,
[data-theme="dark"] input[type="email"]:focus,
[data-theme="dark"] input[type="password"]:focus,
[data-theme="dark"] textarea:focus {
    background: var(--bg-secondary);
    border-color: var(--brand-primary);
}

[data-theme="dark"] .form-input::placeholder,
[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-muted);
}

/* Login icon button */
[data-theme="dark"] .login-icon-btn svg {
    stroke: var(--text-primary);
}

[data-theme="dark"] .login-icon-btn .tooltip {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

[data-theme="dark"] .login-icon-btn .tooltip::before {
    border-left-color: var(--bg-tertiary);
}

/* Hero section */
[data-theme="dark"] .hero-headline {
    color: var(--text-primary);
}

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

/* CTA buttons */
[data-theme="dark"] .cta-btn {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--clark-mustard);
}

[data-theme="dark"] .cta-btn:hover {
    background: var(--clark-mustard);
    color: var(--text-on-brand);
}

/* Feature cards */
[data-theme="dark"] .feature-card {
    background: transparent;
}

[data-theme="dark"] .feature-card:hover {
    background: transparent;
}

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

[data-theme="dark"] .feature-card:hover .feature-title {
    color: var(--clark-mustard);
}

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

[data-theme="dark"] .feature-card:hover .feature-description {
    color: var(--text-primary);
}

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

/* Features section gradient fades */
[data-theme="dark"] .features-scroll-container::before {
    background: linear-gradient(
        90deg,
        var(--background) 0%,
        var(--background) 30%,
        transparent 100%
    );
}

[data-theme="dark"] .features-scroll-container::after {
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--background) 70%,
        var(--background) 100%
    );
}

/* Features section accent lines */
[data-theme="dark"] .features-section::before,
[data-theme="dark"] .features-section::after {
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--clark-mustard) 15%,
        var(--clark-mustard) 85%,
        transparent 100%
    );
    opacity: 0.8;
}

/* Footer links */
[data-theme="dark"] .footer-text,
[data-theme="dark"] .footer-link {
    color: var(--text-secondary);
}

[data-theme="dark"] .footer-link:hover {
    color: var(--clark-mustard);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* Selection highlight */
::selection {
    background: var(--brand-primary);
    color: var(--text-on-brand);
}

/* ============================================
   DARK THEME - PAGE CONTENT OVERRIDES
   Common elements used across all pages
   ============================================ */

/* Container and card backgrounds */
[data-theme="dark"] .container {
    background-color: var(--bg-secondary) !important;
}

[data-theme="dark"] .card,
[data-theme="dark"] .content-section {
    background-color: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}

/* Page-specific containers */
[data-theme="dark"] .consultation-card,
[data-theme="dark"] .referral-item,
[data-theme="dark"] .note-card {
    background-color: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .consultation-card:hover,
[data-theme="dark"] .note-card:hover {
    border-color: var(--clark-mustard) !important;
}

/* Text colors for dark mode */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: var(--text-primary) !important;
}

[data-theme="dark"] p,
[data-theme="dark"] .text-secondary,
[data-theme="dark"] .consultation-meta,
[data-theme="dark"] .referral-info p,
[data-theme="dark"] .note-meta,
[data-theme="dark"] .note-preview {
    color: var(--text-secondary) !important;
}

/* Pagination */
[data-theme="dark"] .pagination a {
    background-color: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .pagination a:hover {
    background-color: var(--clark-mustard-light) !important;
    border-color: var(--clark-mustard) !important;
}

[data-theme="dark"] .pagination .active {
    background-color: var(--clark-mustard) !important;
    color: var(--text-on-brand) !important;
}

/* Legal page sections */
[data-theme="dark"] .page-header,
[data-theme="dark"] .nav-section,
[data-theme="dark"] .legal-section {
    background-color: var(--bg-secondary) !important;
}

[data-theme="dark"] .nav-links a {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .nav-links a:hover {
    background-color: var(--clark-mustard) !important;
    color: var(--text-on-brand) !important;
}

/* Buttons */
[data-theme="dark"] .btn,
[data-theme="dark"] .btn-primary,
[data-theme="dark"] .header-btn {
    color: var(--text-primary) !important;
}

/* Note transcript area */
[data-theme="dark"] .note-transcript {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

/* Status badges */
[data-theme="dark"] .consultation-status {
    background-color: var(--bg-tertiary) !important;
}

/* Error container */
[data-theme="dark"] .error-container {
    background-color: var(--bg-secondary) !important;
}

/* Main content and sidebar */
[data-theme="dark"] .main-content {
    background-color: var(--bg-primary) !important;
}

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

/* ============================================
   UTILITY CLASSES
   ============================================ */
.bg-primary {
    background-color: var(--bg-primary);
}

.bg-secondary {
    background-color: var(--bg-secondary);
}

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

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

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

.border-default {
    border-color: var(--border-color);
}