/**
 * Classic Games Arcade - Rules Shortcode & Modal Styles
 * Pro-quality, theme-safe, responsive design
 * Version: 1.0.0
 */

/* ============================================
   CSS Custom Properties - Rules Theme
   ============================================ */
:root {
    --sacga-rules-bg: #ffffff;
    --sacga-rules-border: rgba(0, 0, 0, 0.1);
    --sacga-rules-heading: inherit;
    --sacga-rules-text: inherit;
    --sacga-rules-accent: var(--sacga-primary, #2563eb);
    --sacga-rules-section-bg: #f9fafb;
    --sacga-rules-max-width: 800px;
}

/* ============================================
   Rules Shortcode - Base Container
   ============================================ */
.sacga-game-rules {
    max-width: var(--sacga-rules-max-width);
    margin: 0 auto;
    padding: var(--sacga-space-xl, 2rem);
    background: var(--sacga-rules-bg);
    border: 1px solid var(--sacga-rules-border);
    border-radius: var(--sacga-radius-lg, 0.75rem);
    font-family: inherit;
    line-height: 1.7;
    color: var(--sacga-rules-text);
}

/* ============================================
   Rules Title
   ============================================ */
.sacga-rules-title {
    margin: 0 0 var(--sacga-space-xl, 2rem) 0;
    padding-bottom: var(--sacga-space-md, 1rem);
    border-bottom: 2px solid var(--sacga-rules-accent);
    font-size: var(--sacga-text-2xl, 1.5rem);
    font-weight: 700;
    color: var(--sacga-rules-heading);
    text-align: center;
}

/* ============================================
   Rules Body
   ============================================ */
.sacga-rules-body {
    display: flex;
    flex-direction: column;
    gap: var(--sacga-space-lg, 1.5rem);
}

/* ============================================
   Rules Sections
   ============================================ */
.sacga-rules-section {
    padding: var(--sacga-space-lg, 1.5rem);
    background: var(--sacga-rules-section-bg);
    border-radius: var(--sacga-radius-md, 0.5rem);
    border-left: 4px solid var(--sacga-rules-accent);
}

.sacga-rules-heading {
    margin: 0 0 var(--sacga-space-md, 1rem) 0;
    font-size: var(--sacga-text-lg, 1.125rem);
    font-weight: 600;
    color: var(--sacga-rules-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sacga-rules-content {
    font-size: var(--sacga-text-base, 1rem);
    color: var(--sacga-rules-text);
}

.sacga-rules-content p {
    margin: 0;
    line-height: 1.7;
}

.sacga-rules-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.sacga-rules-list li {
    position: relative;
    padding-left: var(--sacga-space-lg, 1.5rem);
    margin-bottom: var(--sacga-space-sm, 0.5rem);
    line-height: 1.6;
}

.sacga-rules-list li:last-child {
    margin-bottom: 0;
}

.sacga-rules-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background: var(--sacga-rules-accent);
    border-radius: 50%;
}

/* ============================================
   Section-Specific Accents
   ============================================ */
.sacga-rules-section-objective {
    border-left-color: #10b981;
}
.sacga-rules-section-objective .sacga-rules-heading {
    color: #10b981;
}

.sacga-rules-section-setup {
    border-left-color: #8b5cf6;
}
.sacga-rules-section-setup .sacga-rules-heading {
    color: #8b5cf6;
}

.sacga-rules-section-gameplay {
    border-left-color: var(--sacga-rules-accent);
}

.sacga-rules-section-winning {
    border-left-color: #f59e0b;
}
.sacga-rules-section-winning .sacga-rules-heading {
    color: #f59e0b;
}

.sacga-rules-section-notes {
    border-left-color: #6b7280;
    background: #f3f4f6;
}
.sacga-rules-section-notes .sacga-rules-heading {
    color: #6b7280;
}

/* ============================================
   Compact Layout
   ============================================ */
.sacga-rules-compact {
    padding: var(--sacga-space-md, 1rem) var(--sacga-space-lg, 1.5rem);
    background: var(--sacga-rules-section-bg);
    border-left: 4px solid var(--sacga-rules-accent);
}

.sacga-rules-compact .sacga-rules-title {
    margin-bottom: var(--sacga-space-md, 1rem);
    padding-bottom: var(--sacga-space-sm, 0.5rem);
    font-size: var(--sacga-text-lg, 1.125rem);
    text-align: left;
}

.sacga-rules-compact .sacga-rules-body {
    font-size: var(--sacga-text-sm, 0.875rem);
    line-height: 1.6;
}

/* ============================================
   Error States
   ============================================ */
.sacga-rules-error {
    padding: var(--sacga-space-lg, 1.5rem);
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--sacga-radius-md, 0.5rem);
    color: #dc2626;
    text-align: center;
    font-weight: 500;
}

.sacga-rules-empty {
    text-align: center;
    color: #6b7280;
    font-style: italic;
}

/* ============================================
   Rules Button (for lobby/room integration)
   ============================================ */
.sacga-rules-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sacga-space-sm, 0.5rem);
    padding: var(--sacga-space-sm, 0.5rem) var(--sacga-space-md, 1rem);
    background: transparent;
    color: var(--sacga-neutral-600, #4b5563);
    border: 2px solid var(--sacga-neutral-300, #d1d5db);
    border-radius: var(--sacga-radius-md, 0.5rem);
    font-size: var(--sacga-text-sm, 0.875rem);
    font-weight: 500;
    cursor: pointer;
    transition: all 150ms ease-in-out;
}

.sacga-rules-btn:hover {
    background: var(--sacga-neutral-100, #f6f2e9);
    border-color: var(--sacga-rules-accent);
    color: var(--sacga-rules-accent);
}

.sacga-rules-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

.sacga-rules-btn .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
}

/* ============================================
   Modal Overlay
   ============================================ */
.sacga-rules-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sacga-space-md, 1rem);
    opacity: 0;
    visibility: hidden;
    transition: opacity 200ms ease-in-out, visibility 200ms ease-in-out;
}

.sacga-rules-overlay.sacga-rules-overlay-active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Modal Container
   ============================================ */
.sacga-rules-modal {
    position: relative;
    width: 100%;
    max-width: 700px;
    max-height: calc(100vh - 4rem);
    background: var(--sacga-rules-bg);
    border-radius: var(--sacga-radius-xl, 1rem);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    transform: translateY(20px) scale(0.95);
    transition: transform 200ms ease-out;
    overflow: hidden;
}

.sacga-rules-overlay-active .sacga-rules-modal {
    transform: translateY(0) scale(1);
}

/* ============================================
   Modal Header
   ============================================ */
.sacga-rules-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sacga-space-lg, 1.5rem) var(--sacga-space-xl, 2rem);
    border-bottom: 1px solid var(--sacga-rules-border);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.sacga-rules-modal-title {
    margin: 0;
    font-size: var(--sacga-text-xl, 1.25rem);
    font-weight: 700;
    color: var(--sacga-neutral-900, #111827);
}

.sacga-rules-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--sacga-radius-full, 9999px);
    color: var(--sacga-neutral-600, #4b5563);
    cursor: pointer;
    transition: all 150ms ease-in-out;
}

.sacga-rules-close:hover {
    background: var(--sacga-neutral-200, #e8e2d3);
    color: var(--sacga-neutral-900, #111827);
}

.sacga-rules-close:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

.sacga-rules-close .dashicons {
    font-size: 20px;
    width: 20px;
    height: 20px;
}

/* ============================================
   Modal Body
   ============================================ */
.sacga-rules-modal-body {
    flex: 1;
    padding: var(--sacga-space-xl, 2rem);
    overflow-y: auto;
    overscroll-behavior: contain;
}

/* Scrollbar styling */
.sacga-rules-modal-body::-webkit-scrollbar {
    width: 8px;
}

.sacga-rules-modal-body::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

.sacga-rules-modal-body::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.sacga-rules-modal-body::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Modal content inherits section styles */
.sacga-rules-modal-body .sacga-rules-section {
    margin-bottom: var(--sacga-space-lg, 1.5rem);
}

.sacga-rules-modal-body .sacga-rules-section:last-child {
    margin-bottom: 0;
}

/* Modal headings adjusted for smaller context */
.sacga-rules-modal-body .sacga-rules-heading {
    font-size: var(--sacga-text-base, 1rem);
}

/* ============================================
   Body scroll lock (when modal is open)
   ============================================ */
body.sacga-rules-modal-open {
    overflow: hidden;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Mobile */
@media (max-width: 639px) {
    .sacga-game-rules {
        padding: var(--sacga-space-lg, 1.5rem) var(--sacga-space-md, 1rem);
        border-radius: var(--sacga-radius-md, 0.5rem);
    }

    .sacga-rules-title {
        font-size: var(--sacga-text-xl, 1.25rem);
    }

    .sacga-rules-section {
        padding: var(--sacga-space-md, 1rem);
    }

    .sacga-rules-heading {
        font-size: var(--sacga-text-base, 1rem);
    }

    .sacga-rules-overlay {
        padding: var(--sacga-space-sm, 0.5rem);
    }

    .sacga-rules-modal {
        max-height: calc(100vh - 2rem);
        border-radius: var(--sacga-radius-lg, 0.75rem);
    }

    .sacga-rules-modal-header {
        padding: var(--sacga-space-md, 1rem) var(--sacga-space-lg, 1.5rem);
    }

    .sacga-rules-modal-title {
        font-size: var(--sacga-text-lg, 1.125rem);
    }

    .sacga-rules-modal-body {
        padding: var(--sacga-space-lg, 1.5rem);
    }
}

/* Tablet */
@media (min-width: 640px) and (max-width: 1023px) {
    .sacga-rules-modal {
        max-width: 600px;
    }
}

/* ============================================
   Accessibility
   ============================================ */

/* Focus visible for keyboard navigation */
.sacga-rules-btn:focus-visible,
.sacga-rules-close:focus-visible {
    outline: 2px solid var(--sacga-rules-accent);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .sacga-rules-overlay,
    .sacga-rules-modal,
    .sacga-rules-btn,
    .sacga-rules-close {
        transition: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .sacga-game-rules {
        border-width: 2px;
    }

    .sacga-rules-section {
        border-left-width: 6px;
    }

    .sacga-rules-modal {
        border: 2px solid currentColor;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .sacga-rules-overlay,
    .sacga-rules-modal,
    .sacga-rules-btn {
        display: none !important;
    }

    .sacga-game-rules {
        box-shadow: none;
        border: 1px solid #000;
        max-width: 100%;
        padding: 1rem;
    }

    .sacga-rules-section {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* ============================================
   Lobby/Room Rules Button Container
   ============================================ */
.sacga-rules-btn-container {
    position: absolute;
    top: var(--sacga-space-md, 1rem);
    right: var(--sacga-space-md, 1rem);
    z-index: 10;
}

/* Position adjustment for header with gradient */
.sacga-game-header .sacga-rules-btn-container {
    top: auto;
    bottom: var(--sacga-space-md, 1rem);
}

/* Light button variant for dark backgrounds */
.sacga-rules-btn-light {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--sacga-neutral-700, #374151);
}

.sacga-rules-btn-light:hover {
    background: #ffffff;
    border-color: #ffffff;
    color: var(--sacga-rules-accent);
}

/* ============================================
   Master Rules Page - Accordion Style
   ============================================ */
.sacga-rules-master {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--sacga-space-lg, 1.5rem);
}

.sacga-rules-master-header {
    text-align: center;
    margin-bottom: var(--sacga-space-xl, 2rem);
    padding-bottom: var(--sacga-space-lg, 1.5rem);
    border-bottom: 2px solid var(--sacga-rules-border);
}

.sacga-rules-master-title {
    margin: 0 0 var(--sacga-space-sm, 0.5rem) 0;
    font-size: var(--sacga-text-3xl, 1.875rem);
    font-weight: 700;
    color: var(--sacga-rules-heading);
}

.sacga-rules-master-desc {
    margin: 0 0 var(--sacga-space-lg, 1.5rem) 0;
    font-size: var(--sacga-text-base, 1rem);
    color: #6b7280;
}

.sacga-rules-actions {
    display: flex;
    gap: var(--sacga-space-sm, 0.5rem);
    justify-content: center;
}

.sacga-rules-actions .sacga-btn {
    padding: var(--sacga-space-sm, 0.5rem) var(--sacga-space-md, 1rem);
    font-size: var(--sacga-text-sm, 0.875rem);
}

/* Game Type Sections */
.sacga-rules-type-section {
    margin-bottom: var(--sacga-space-xl, 2rem);
}

.sacga-rules-type-heading {
    display: flex;
    align-items: center;
    gap: var(--sacga-space-sm, 0.5rem);
    margin: 0 0 var(--sacga-space-md, 1rem) 0;
    padding: var(--sacga-space-md, 1rem);
    background: linear-gradient(135deg, var(--sacga-rules-accent) 0%, #1d4ed8 100%);
    color: #fff;
    font-size: var(--sacga-text-lg, 1.125rem);
    font-weight: 600;
    border-radius: var(--sacga-radius-lg, 0.75rem);
}

.sacga-rules-type-heading .dashicons {
    font-size: 24px;
    width: 24px;
    height: 24px;
}

.sacga-rules-type-count {
    font-weight: 400;
    opacity: 0.8;
    font-size: var(--sacga-text-sm, 0.875rem);
}

/* Accordion Container */
.sacga-rules-accordion {
    display: flex;
    flex-direction: column;
    gap: var(--sacga-space-sm, 0.5rem);
}

/* Accordion Panel */
.sacga-rules-panel {
    background: var(--sacga-rules-bg);
    border: 1px solid var(--sacga-rules-border);
    border-radius: var(--sacga-radius-md, 0.5rem);
    overflow: hidden;
    transition: box-shadow 150ms ease-in-out;
}

.sacga-rules-panel:hover {
    box-shadow: var(--sacga-shadow-md, 0 4px 6px -1px rgba(0, 0, 0, 0.1));
}

.sacga-rules-panel[open] {
    border-color: var(--sacga-rules-accent);
    box-shadow: var(--sacga-shadow-md, 0 4px 6px -1px rgba(0, 0, 0, 0.1));
}

/* Panel Header (Summary) */
.sacga-rules-panel-header {
    display: flex;
    align-items: center;
    gap: var(--sacga-space-md, 1rem);
    padding: var(--sacga-space-md, 1rem) var(--sacga-space-lg, 1.5rem);
    cursor: pointer;
    user-select: none;
    list-style: none;
    background: var(--sacga-rules-section-bg);
    transition: background 150ms ease-in-out;
}

.sacga-rules-panel-header::-webkit-details-marker {
    display: none;
}

.sacga-rules-panel-header:hover {
    background: #e5e7eb;
}

.sacga-rules-panel[open] .sacga-rules-panel-header {
    background: var(--sacga-rules-accent);
    color: #fff;
    border-bottom: 1px solid var(--sacga-rules-border);
}

.sacga-rules-panel-title {
    flex: 1;
    font-size: var(--sacga-text-base, 1rem);
    font-weight: 600;
}

.sacga-rules-panel-meta {
    display: flex;
    align-items: center;
    gap: var(--sacga-space-md, 1rem);
    font-size: var(--sacga-text-sm, 0.875rem);
    color: #6b7280;
}

.sacga-rules-panel[open] .sacga-rules-panel-meta {
    color: rgba(255, 255, 255, 0.8);
}

.sacga-rules-players,
.sacga-rules-ai {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.sacga-rules-players .dashicons,
.sacga-rules-ai .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
}

/* Panel Icon (Arrow) */
.sacga-rules-panel-icon {
    width: 20px;
    height: 20px;
    position: relative;
    flex-shrink: 0;
}

.sacga-rules-panel-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translate(-50%, -70%) rotate(45deg);
    transition: transform 200ms ease-in-out;
}

.sacga-rules-panel[open] .sacga-rules-panel-icon::before {
    transform: translate(-50%, -30%) rotate(-135deg);
}

/* Panel Content */
.sacga-rules-panel-content {
    padding: var(--sacga-space-lg, 1.5rem);
    animation: sacga-accordion-open 200ms ease-out;
}

@keyframes sacga-accordion-open {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Rules sections inside accordion */
.sacga-rules-panel-content .sacga-rules-section {
    margin-bottom: var(--sacga-space-md, 1rem);
    padding: var(--sacga-space-md, 1rem);
    background: var(--sacga-rules-section-bg);
    border-radius: var(--sacga-radius-sm, 0.375rem);
    border-left: 3px solid var(--sacga-rules-accent);
}

.sacga-rules-panel-content .sacga-rules-section:last-child {
    margin-bottom: 0;
}

.sacga-rules-panel-content .sacga-rules-heading {
    margin: 0 0 var(--sacga-space-sm, 0.5rem) 0;
    font-size: var(--sacga-text-sm, 0.875rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sacga-rules-accent);
}

.sacga-rules-panel-content .sacga-rules-content {
    font-size: var(--sacga-text-sm, 0.875rem);
    line-height: 1.6;
}

.sacga-rules-panel-content .sacga-rules-content p {
    margin: 0;
}

.sacga-rules-panel-content .sacga-rules-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.sacga-rules-panel-content .sacga-rules-list li {
    position: relative;
    padding-left: var(--sacga-space-md, 1rem);
    margin-bottom: 0.25rem;
}

.sacga-rules-panel-content .sacga-rules-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--sacga-rules-accent);
    font-weight: bold;
}

/* Section-specific colors in accordion */
.sacga-rules-panel-content .sacga-rules-section-objective {
    border-left-color: #10b981;
}
.sacga-rules-panel-content .sacga-rules-section-objective .sacga-rules-heading {
    color: #10b981;
}

.sacga-rules-panel-content .sacga-rules-section-setup {
    border-left-color: #8b5cf6;
}
.sacga-rules-panel-content .sacga-rules-section-setup .sacga-rules-heading {
    color: #8b5cf6;
}

.sacga-rules-panel-content .sacga-rules-section-winning {
    border-left-color: #f59e0b;
}
.sacga-rules-panel-content .sacga-rules-section-winning .sacga-rules-heading {
    color: #f59e0b;
}

.sacga-rules-panel-content .sacga-rules-section-notes {
    border-left-color: #6b7280;
    background: #f3f4f6;
}
.sacga-rules-panel-content .sacga-rules-section-notes .sacga-rules-heading {
    color: #6b7280;
}

/* Mobile adjustments for accordion */
@media (max-width: 639px) {
    .sacga-rules-master {
        padding: var(--sacga-space-md, 1rem);
    }

    .sacga-rules-master-title {
        font-size: var(--sacga-text-2xl, 1.5rem);
    }

    .sacga-rules-actions {
        flex-direction: column;
    }

    .sacga-rules-actions .sacga-btn {
        width: 100%;
    }

    .sacga-rules-type-heading {
        font-size: var(--sacga-text-base, 1rem);
        padding: var(--sacga-space-sm, 0.5rem) var(--sacga-space-md, 1rem);
    }

    .sacga-rules-panel-header {
        padding: var(--sacga-space-sm, 0.5rem) var(--sacga-space-md, 1rem);
        flex-wrap: wrap;
    }

    .sacga-rules-panel-title {
        flex: 1 1 100%;
        order: 1;
    }

    .sacga-rules-panel-meta {
        order: 2;
        flex: 1;
    }

    .sacga-rules-panel-icon {
        order: 3;
    }

    .sacga-rules-panel-content {
        padding: var(--sacga-space-md, 1rem);
    }

    .sacga-rules-panel-content .sacga-rules-section {
        padding: var(--sacga-space-sm, 0.5rem);
    }
}