/* Standalone Sites - Shared Styles
 * Shared header, navigation, and settings modal styles for standalone game sites
 * Used by: try-sudoku.com, trymahjong.com, trycardgames.com
 * Uses CSS variables from css/tokens/colors.css
 */

/* ======================================
   SITE HEADER
   ====================================== */

.sudoku-site-header,
.mahjong-site-header,
.cardgames-site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    background: linear-gradient(135deg, var(--color-nav-start) 0%, var(--color-nav-end) 100%);
    border-bottom: 1px solid var(--color-nav-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-logo {
    font-size: 1.5rem;
    color: var(--color-highlight);
}

.site-logo-img {
    width: 56px;
    height: 56px;
    border-radius: 10px;
    object-fit: contain;
}

.site-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-light, #ffffff);
    font-family: 'Poppins', sans-serif;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.7rem;
    color: var(--color-text-light, #ffffff);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s ease;
    background: var(--color-btn-secondary-start);
    border: 1px solid transparent;
}

.site-nav .nav-link:hover {
    background: var(--color-btn-primary-start);
    border-color: var(--color-border-accent);
    transform: translateY(-1px);
}

.site-nav .nav-link i {
    font-size: 0.9rem;
}

/* Solitaire link with logo */
.site-nav .nav-link.solitaire-link .solitaire-logo {
    width: 20px;
    height: 20px;
    object-fit: contain;
    border-radius: 3px;
}

.site-nav .nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-btn-secondary-start);
    border: 1px solid transparent;
    border-radius: 6px;
    color: var(--color-text-light, #ffffff);
    cursor: pointer;
    transition: all 0.2s ease;
}

.site-brand .nav-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    background: linear-gradient(135deg, var(--color-btn-primary-start) 0%, var(--color-btn-primary-end) 100%);
    border: 1px solid var(--color-border-accent);
    border-radius: 6px;
    color: var(--color-text-light, #ffffff);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    width: auto;
    height: auto;
}

.site-brand .nav-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.site-nav .nav-btn:hover {
    background: var(--color-btn-primary-start);
    border-color: var(--color-border-accent);
    transform: translateY(-1px);
}

/* New Puzzle Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown .dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    background: linear-gradient(135deg, var(--color-btn-primary-start) 0%, var(--color-btn-primary-end) 100%);
    border: 1px solid var(--color-border-accent);
    border-radius: 6px;
    color: var(--color-text-light, #ffffff);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    width: auto;
    height: auto;
}

.nav-dropdown .dropdown-toggle:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Language dropdown button should match settings button styling */
#language-dropdown .dropdown-toggle {
    width: 36px;
    height: 36px;
    padding: 0;
    background: var(--color-btn-secondary-start);
    border: 1px solid transparent;
}

#language-dropdown .dropdown-toggle:hover {
    background: var(--color-btn-primary-start);
    border-color: var(--color-border-accent);
    box-shadow: none;
}

.nav-dropdown .dropdown-arrow {
    font-size: 0.65rem;
    transition: transform 0.2s ease;
}

.nav-dropdown.open .dropdown-arrow {
    transform: rotate(180deg);
}

.nav-dropdown .dropdown-menu {
    display: block;
    position: absolute;
    top: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 150px;
    background: var(--color-modal-bg, #1a1f2e);
    border: 1px solid var(--color-border-accent);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all 0.2s ease;
    z-index: 200;
    overflow: hidden;
}

.nav-dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown .dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.7rem 1rem;
    background: transparent;
    border: none;
    color: var(--color-text-light, #ffffff);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s ease;
    text-align: left;
}

.nav-dropdown .dropdown-item:hover {
    background: var(--color-btn-primary-start);
}

.nav-dropdown .dropdown-item i {
    width: 18px;
    text-align: center;
    opacity: 0.8;
}

/* Difficulty colors */
.nav-dropdown .dropdown-item[data-difficulty="beginner"] i { color: #4ade80; }
.nav-dropdown .dropdown-item[data-difficulty="easy"] i { color: #60a5fa; }
.nav-dropdown .dropdown-item[data-difficulty="hard"] i { color: #f97316; }
.nav-dropdown .dropdown-item[data-difficulty="xtreme"] i { color: #ef4444; }

/* Language menu styling */
.nav-dropdown .dropdown-menu.language-menu {
    max-height: min(70vh, 400px);
    overflow-y: auto;
}

.nav-dropdown .dropdown-menu.language-menu::-webkit-scrollbar {
    width: 6px;
}

.nav-dropdown .dropdown-menu.language-menu::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.nav-dropdown .dropdown-menu.language-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.nav-dropdown .dropdown-menu.language-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4);
}

.nav-dropdown .language-option {
    display: flex;
    align-items: center;
    gap: 10px;
}


.nav-dropdown .language-option.active {
    background: rgba(37, 99, 235, 0.15);
    border-left: 3px solid #2563eb;
    padding-left: 9px;
}

/* ======================================
   SETTINGS MODAL
   ====================================== */

.sudoku-settings-modal,
.mahjong-settings-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.sudoku-settings-content,
.mahjong-settings-content {
    background: var(--sudoku-container-bg, rgba(27, 38, 59, 0.98));
    border-radius: 12px;
    padding: 1.5rem;
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--color-border-accent, #415a77);
}

.sudoku-settings-content h2,
.mahjong-settings-content h2 {
    color: var(--color-text-primary, #e0e1dd);
    margin: 0 0 1.5rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.settings-group {
    margin-bottom: 1.5rem;
}

.settings-group label {
    display: block;
    color: var(--color-text-heading, #778da9);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.theme-options {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.theme-btn {
    flex: 1;
    min-width: 80px;
    padding: 0.6rem 0.8rem;
    background: var(--color-bg-primary, #0d1b2a);
    border: 2px solid var(--color-border-accent, #415a77);
    border-radius: 8px;
    color: var(--color-text-primary, #e0e1dd);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-btn:hover {
    border-color: var(--color-stats-highlight, #778da9);
    transform: translateY(-2px);
}

.theme-btn.active {
    background: var(--color-btn-primary-start, #415a77);
    border-color: var(--color-highlight, #fbbf24);
}

/* Difficulty/Layout selector (same styles as theme buttons) */
.difficulty-selector,
.layout-selector {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.difficulty-btn,
.layout-btn {
    flex: 1;
    min-width: 80px;
    padding: 0.6rem 0.8rem;
    background: var(--color-bg-primary, #0d1b2a);
    border: 2px solid var(--color-border-accent, #415a77);
    border-radius: 8px;
    color: var(--color-text-primary, #e0e1dd);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
}

.difficulty-btn:hover,
.layout-btn:hover {
    border-color: var(--color-stats-highlight, #778da9);
    transform: translateY(-2px);
}

.difficulty-btn.active,
.layout-btn.active {
    background: var(--color-btn-primary-start, #415a77);
    border-color: var(--color-highlight, #fbbf24);
}

.toggle-setting {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(65, 90, 119, 0.3);
}

.toggle-setting:last-child {
    border-bottom: none;
}

.toggle-setting span {
    color: var(--color-text-primary, #e0e1dd);
    font-size: 0.9rem;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-primary, #0d1b2a);
    border: 2px solid var(--color-border-accent, #415a77);
    border-radius: 26px;
    transition: all 0.3s ease;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background: var(--color-text-primary, #e0e1dd);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--color-success, #4ade80);
    border-color: var(--color-success, #4ade80);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

.settings-close-btn {
    width: 100%;
    padding: 0.8rem;
    background: var(--color-btn-primary-start, #415a77);
    color: var(--color-text-light, #ffffff);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 1rem;
}

.settings-close-btn:hover {
    background: var(--color-btn-primary-hover-start, #778da9);
}

/* Statistics Grid in Settings */
.stats-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stats-group label i {
    color: var(--color-highlight, #60a5fa);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem 0.5rem;
    background: var(--color-bg-tertiary, rgba(255, 255, 255, 0.05));
    border-radius: 8px;
    border: 1px solid var(--color-border-accent, rgba(255, 255, 255, 0.1));
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-highlight, #60a5fa);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--color-text-muted, #94a3b8);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
    text-align: center;
}

/* ======================================
   RESPONSIVE STYLES
   ====================================== */

/* Prevent header wrapping at any width */
.sudoku-site-header,
.mahjong-site-header {
    flex-wrap: nowrap;
    min-width: 0;
    overflow: visible;
}

.site-brand,
.site-nav {
    min-width: 0;
    flex-shrink: 1;
}

/* ≤1024px: hide all button text labels, go icon-only */
@media (max-width: 1024px) {
    /* Hide text in brand buttons */
    .site-brand .nav-btn span,
    .site-brand .daily-challenge-btn span,
    .site-brand .print-puzzles-btn span,
    .nav-dropdown .dropdown-arrow {
        display: none;
    }

    /* Hide text in nav links */
    .site-nav .nav-link span {
        display: none;
    }

    /* Make brand buttons icon-only squares */
    .site-brand .nav-btn,
    .site-brand .daily-challenge-btn,
    .site-brand .print-puzzles-btn {
        padding: 0;
        width: 34px;
        height: 34px;
        justify-content: center;
    }

    .nav-dropdown .dropdown-toggle {
        padding: 0;
        width: 34px;
        height: 34px;
        justify-content: center;
        gap: 0;
    }

    /* Nav links become icon-only */
    .site-nav .nav-link {
        padding: 0.4rem;
        width: 34px;
        height: 34px;
        justify-content: center;
    }

    .site-nav .nav-btn {
        width: 34px;
        height: 34px;
    }

    #language-dropdown .dropdown-toggle {
        width: 34px;
        height: 34px;
    }

    /* Tighten gaps */
    .site-brand {
        gap: 0.35rem;
    }

    .site-nav {
        gap: 0.35rem;
    }

    /* Dropdown alignment on smaller screens */
    .nav-dropdown .dropdown-menu {
        left: 0;
        transform: translateX(0);
        min-width: 140px;
    }

    .nav-dropdown.open .dropdown-menu {
        transform: translateX(0) translateY(0);
    }
}

/* Mobile: further compact */
@media (max-width: 480px) {
    .sudoku-site-header,
    .mahjong-site-header {
        padding: 0.4rem 0.5rem;
    }

    .site-name {
        font-size: 0.95rem;
    }

    .site-logo {
        width: 26px;
        height: 26px;
    }

    /* Smaller icon-only buttons */
    .site-brand .nav-btn,
    .site-brand .daily-challenge-btn,
    .site-brand .print-puzzles-btn,
    .nav-dropdown .dropdown-toggle,
    .site-nav .nav-link,
    .site-nav .nav-btn,
    #language-dropdown .dropdown-toggle {
        width: 30px;
        height: 30px;
        font-size: 0.8rem;
    }

    .site-brand .nav-btn i,
    .site-brand .daily-challenge-btn i,
    .site-brand .print-puzzles-btn i {
        font-size: 0.8rem;
    }

    .site-nav .nav-link i,
    .site-nav .nav-btn i {
        font-size: 0.85rem;
    }

    .site-brand {
        gap: 0.25rem;
    }

    .site-nav {
        gap: 0.25rem;
    }

    /* Stats grid 2 columns on mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Very small phones: hide site name, tighten further */
@media (max-width: 360px) {
    .sudoku-site-header,
    .mahjong-site-header {
        padding: 0.35rem 0.4rem;
    }

    .site-name {
        display: none;
    }

    .site-brand .nav-btn,
    .site-brand .daily-challenge-btn,
    .site-brand .print-puzzles-btn,
    .nav-dropdown .dropdown-toggle,
    .site-nav .nav-link,
    .site-nav .nav-btn,
    #language-dropdown .dropdown-toggle {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }

    .site-brand .nav-btn i,
    .site-brand .daily-challenge-btn i,
    .site-brand .print-puzzles-btn i,
    .site-nav .nav-link i,
    .site-nav .nav-btn i {
        font-size: 0.75rem;
    }

    .solitaire-logo {
        width: 16px;
        height: 16px;
    }

    .site-logo {
        width: 22px;
        height: 22px;
    }
}

/* ======================================
   LIGHT THEME OVERRIDES
   ====================================== */

/* Settings modal on light themes needs adjusted backgrounds for visibility */
[data-theme="light-blue"] .sudoku-settings-content,
[data-theme="light"] .sudoku-settings-content,
[data-theme="light-blue"] .mahjong-settings-content,
[data-theme="light"] .mahjong-settings-content {
    background: #ffffff;
    border: 1px solid #d4dae3;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

[data-theme="light-blue"] .theme-btn,
[data-theme="light"] .theme-btn,
[data-theme="light-blue"] .difficulty-btn,
[data-theme="light"] .difficulty-btn,
[data-theme="light-blue"] .layout-btn,
[data-theme="light"] .layout-btn {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: #1e293b;
}

[data-theme="light-blue"] .theme-btn:hover,
[data-theme="light"] .theme-btn:hover,
[data-theme="light-blue"] .difficulty-btn:hover,
[data-theme="light"] .difficulty-btn:hover,
[data-theme="light-blue"] .layout-btn:hover,
[data-theme="light"] .layout-btn:hover {
    background: #e2e8f0;
    border-color: #94a3b8;
}

[data-theme="light-blue"] .theme-btn.active,
[data-theme="light"] .theme-btn.active,
[data-theme="light-blue"] .difficulty-btn.active,
[data-theme="light"] .difficulty-btn.active,
[data-theme="light-blue"] .layout-btn.active,
[data-theme="light"] .layout-btn.active {
    background: #2563eb;
    border-color: #2563eb;
    color: #ffffff;
}

[data-theme="light-blue"] .toggle-slider,
[data-theme="light"] .toggle-slider {
    background: #e2e8f0;
    border-color: #cbd5e1;
}

[data-theme="light-blue"] .toggle-slider:before,
[data-theme="light"] .toggle-slider:before {
    background: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

[data-theme="light-blue"] .toggle-setting,
[data-theme="light"] .toggle-setting {
    border-bottom-color: #e2e8f0;
}

[data-theme="light-blue"] .stats-group .stat-item,
[data-theme="light"] .stats-group .stat-item {
    background: #f8fafc;
    border-color: #e2e8f0;
}

[data-theme="light-blue"] .stats-group .stat-value,
[data-theme="light"] .stats-group .stat-value {
    color: #2563eb;
}

[data-theme="light-blue"] .stats-group .stat-label,
[data-theme="light"] .stats-group .stat-label {
    color: #64748b;
}

[data-theme="light-blue"] .settings-group label,
[data-theme="light"] .settings-group label {
    color: #475569;
}

[data-theme="light-blue"] .sudoku-settings-content h2,
[data-theme="light"] .sudoku-settings-content h2,
[data-theme="light-blue"] .mahjong-settings-content h2,
[data-theme="light"] .mahjong-settings-content h2 {
    color: #1e293b;
}

[data-theme="light-blue"] .sudoku-settings-modal,
[data-theme="light"] .sudoku-settings-modal,
[data-theme="light-blue"] .mahjong-settings-modal,
[data-theme="light"] .mahjong-settings-modal {
    background: rgba(0, 0, 0, 0.4);
}