/* Parashar Guru Unified Design System Tokens — see DESIGN_SYSTEM.md */
:root {
    /* DESIGN_SYSTEM.md §16 canonical (reference + light-mode hints) */
    --color-bg: #241306;
    --color-primary: #f0b241;
    --color-secondary: #f9eacb;
    --color-card-ds: rgba(255, 255, 255, 0.03);
    --color-card-border-ds: rgba(240, 178, 65, 0.2);
    --color-divider-ds: rgba(249, 234, 203, 0.1);
    --color-muted-ds: rgba(249, 234, 203, 0.6);
    --color-success: #4caf50;
    --color-warning: #ff9800;
    --color-error: #f44336;
    --color-info: #2196f3;

    /* Shell layout (used with body.pg-layout from PGComponents) */
    --pg-mobile-header-h: 3.25rem;
    --pg-desktop-header-h: 4.25rem;
    --pg-bottom-nav-h: 5.25rem;
    --ease-out: cubic-bezier(0.33, 1, 0.68, 1);

    /* Typography — DESIGN_SYSTEM §4: Inter primary */
    --font-heading: 'Inter', 'Outfit', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    
    /* Spacing Scale */
    --space-1: 0.25rem; /* 4px */
    --space-2: 0.5rem;  /* 8px */
    --space-3: 0.75rem; /* 12px */
    --space-4: 1rem;    /* 16px */
    --space-5: 1.25rem; /* 20px */
    --space-6: 1.5rem;  /* 24px */
    --space-8: 2rem;    /* 32px */
    --space-10: 2.5rem; /* 40px */
    --space-12: 3rem;   /* 48px */
    --space-16: 4rem;   /* 64px */

    /* Borders & Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;
    --border-width: 1px;


    /* Colors - Light Mode (Default) */
    --primary-saffron: #FF8C00;
    --primary-gradient: linear-gradient(135deg, #FF8C00 0%, #FFB347 100%);
    --accent-gold: #FFD700;
    
    --bg-main: #FFFFFF;
    --bg-card: #F9F9F9;
    --bg-surface: #F3F4F6;
    
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-muted: #9CA3AF;
    --text-inverse: #FFFFFF;
    
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

[data-theme='dark'] {
    /* DESIGN_SYSTEM.md §2–3 dark-first spiritual palette */
    --bg-main: var(--color-bg);
    --bg-card: var(--color-card-ds);
    --bg-surface: rgba(255, 255, 255, 0.05);

    --text-primary: var(--color-secondary);
    --text-secondary: rgba(249, 234, 203, 0.85);
    --text-muted: var(--color-muted-ds);
    --text-inverse: var(--color-bg);

    --primary-saffron: var(--color-primary);
    --primary-gradient: linear-gradient(135deg, #f0b241 0%, #c9a227 100%);
    --accent-gold: #f0b241;

    --border-color: var(--color-card-border-ds);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-soft: 0 4px 24px -4px rgba(0, 0, 0, 0.45);
    --shadow-md: 0 10px 30px -8px rgba(0, 0, 0, 0.55);
    --shadow-lg: 0 20px 40px -12px rgba(0, 0, 0, 0.6);
}


/* Global Transitions */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

/* Offset fixed chrome (mobile header + bottom nav; desktop header only) */
body.pg-layout {
    padding-top: var(--pg-mobile-header-h);
    padding-bottom: var(--pg-bottom-nav-h);
}

@media (min-width: 1024px) {
    body.pg-layout {
        padding-top: var(--pg-desktop-header-h);
        padding-bottom: 0;
    }
}

[data-theme='dark'] h1:not(.profiling-form-title),
[data-theme='dark'] h2,
[data-theme='dark'] h3 {
    color: var(--color-primary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
    font-weight: 800;
}

/* UI Patterns */
.pg-container {
    max-width: 80rem;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

/* DESIGN_SYSTEM §8 — narrow reading / challenge column (optional) */
.pg-app-narrow {
    max-width: 30rem;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

@media (min-width: 1024px) {
    .pg-app-narrow {
        max-width: 48rem;
    }
}

.pg-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

[data-theme='dark'] .pg-card {
    background-color: var(--color-card-ds);
    border-color: var(--color-card-border-ds);
}

.pg-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.pg-button-primary {
    background: var(--primary-gradient);
    color: var(--text-inverse);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-xl);
    font-weight: 700;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 14px 0 rgba(255, 140, 0, 0.39);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.pg-button-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.23);
    opacity: 0.95;
}

/* DESIGN_SYSTEM §5 primary button in dark: gold bg, deep text */
[data-theme='dark'] .pg-button-primary {
    background: var(--color-primary);
    color: var(--color-bg);
    box-shadow: 0 4px 18px rgba(240, 178, 65, 0.35);
}

[data-theme='dark'] .pg-button-primary:hover {
    box-shadow: 0 6px 22px rgba(240, 178, 65, 0.45);
    opacity: 1;
}

.pg-badge {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.pg-badge-saffron {
    background: rgba(255, 140, 0, 0.1);
    color: var(--primary-saffron);
    border: 1px solid rgba(255, 140, 0, 0.2);
}

.pg-grid {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .pg-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
    .pg-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Injected shell: desktop header / footer, mobile header (see js/components.js) */
.pg-desktop-header,
.pg-desktop-footer {
    background-color: var(--bg-main);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.pg-desktop-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    border-bottom: 1px solid var(--border-color);
    min-height: var(--pg-desktop-header-h);
    display: none;
    align-items: center;
}

@media (min-width: 1024px) {
    .pg-desktop-header {
        display: flex;
    }
}

.pg-desktop-footer {
    display: none;
    border-top: 1px solid var(--border-color);
    padding: var(--space-8) var(--space-4) var(--space-6);
    margin-top: auto;
}

@media (min-width: 1024px) {
    .pg-desktop-footer {
        display: block;
    }
}

.pg-mobile-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    min-height: var(--pg-mobile-header-h);
    display: flex;
    align-items: center;
    padding: 0 var(--space-4);
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

@media (min-width: 1024px) {
    .pg-mobile-header {
        display: none !important;
    }
}

.pg-shell-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: color 0.2s ease, background-color 0.2s ease;
}

.pg-shell-link:hover {
    color: var(--color-primary);
    background-color: rgba(240, 178, 65, 0.08);
}

.pg-shell-link.pg-shell-link-active {
    color: var(--color-primary);
    font-weight: 800;
}

.pg-shell-muted {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.pg-theme-toggle {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: var(--radius-md);
}

.pg-theme-toggle:hover {
    background-color: rgba(240, 178, 65, 0.1);
}

.pg-desktop-footer-inner {
    max-width: 72rem;
    margin: 0 auto;
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
    font-size: 0.875rem;
}

@media (min-width: 640px) {
    .pg-desktop-footer-inner {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .pg-desktop-footer-inner {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.pg-footer-heading {
    font-weight: 800;
    margin: 0 0 var(--space-2);
    color: var(--color-primary);
}

.pg-footer-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pg-footer-list li {
    margin-bottom: var(--space-1);
}

.pg-shell-link.pg-shell-link--footer {
    display: inline-block;
    padding-left: 0;
    padding-right: 0;
}

.pg-footer-copy {
    text-align: center;
    margin: var(--space-6) 0 0;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Mobile bottom nav wrapper — visibility in CSS so injected markup does not rely on Tailwind CDN */
.pg-mobile-bottom-wrap {
    display: block;
}

@media (min-width: 1024px) {
    .pg-mobile-bottom-wrap {
        display: none !important;
    }
}

.pg-mobile-bottom-spacer {
    height: 5rem;
}

@media (min-width: 1024px) {
    .pg-mobile-bottom-spacer {
        display: none !important;
        height: 0;
    }
}

/* Auth pages: single theme control (no global shell) */
.pg-auth-theme-fab {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 80;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    background-color: var(--bg-main);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    font-size: 1.125rem;
    line-height: 1;
}

.pg-auth-theme-fab:hover {
    background-color: var(--bg-surface);
}

.pg-auth-theme-fab:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}