/**
 * TBJili Casino - Main Stylesheet
 * Website: tbjilicasino.click
 * Prefix: s21d-
 */

/* ============================================
   CSS Variables & Root Styles
   ============================================ */
:root {
    --s21d-primary: #FF6B35;
    --s21d-secondary: #1A1A2E;
    --s21d-accent: #E94560;
    --s21d-gold: #FFD700;
    --s21d-dark: #0F0F1A;
    --s21d-darker: #070710;
    --s21d-light: #FFFFFF;
    --s21d-gray: #A0A0A0;
    --s21d-gray-dark: #2A2A3E;
    --s21d-success: #4CAF50;
    --s21d-gradient: linear-gradient(135deg, #FF6B35 0%, #E94560 100%);
    --s21d-gradient-dark: linear-gradient(180deg, #1A1A2E 0%, #0F0F1A 100%);
    --s21d-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --s21d-shadow-light: 0 2px 10px rgba(0, 0, 0, 0.2);
    --s21d-radius: 12px;
    --s21d-radius-sm: 8px;
    --s21d-transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--s21d-darker);
    color: var(--s21d-light);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--s21d-transition);
}

img {
    max-width: 100%;
    height: auto;
}

/* ============================================
   Header Styles
   ============================================ */
.s21d-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    padding: 12px 16px;
    transition: var(--s21d-transition);
}

.s21d-header-scrolled {
    background: rgba(7, 7, 16, 0.98);
    box-shadow: var(--s21d-shadow);
}

.s21d-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.s21d-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.s21d-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.s21d-logo-text {
    font-size: 20px;
    font-weight: 700;
    background: var(--s21d-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.s21d-header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.s21d-btn {
    padding: 10px 20px;
    border-radius: var(--s21d-radius-sm);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border: none;
    transition: var(--s21d-transition);
}

.s21d-btn-login {
    background: transparent;
    border: 2px solid var(--s21d-primary);
    color: var(--s21d-primary);
}

.s21d-btn-login:hover {
    background: var(--s21d-primary);
    color: var(--s21d-light);
}

.s21d-btn-register {
    background: var(--s21d-gradient);
    color: var(--s21d-light);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.s21d-btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
}

.s21d-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--s21d-light);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
}

/* ============================================
   Hero Section
   ============================================ */
.s21d-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--s21d-gradient-dark);
    padding: 100px 16px 80px;
    position: relative;
    overflow: hidden;
}

.s21d-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/21d8ab88_1.jpg') center/cover no-repeat;
    opacity: 0.15;
}

.s21d-hero-content {
    position: relative;
    text-align: center;
    max-width: 600px;
}

.s21d-hero-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.s21d-hero-title span {
    background: var(--s21d-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.s21d-hero-desc {
    font-size: 16px;
    color: var(--s21d-gray);
    margin-bottom: 24px;
}

.s21d-hero-btns {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.s21d-hero-btn {
    padding: 14px 32px;
    font-size: 16px;
}

/* ============================================
   Category Section
   ============================================ */
.s21d-section {
    padding: 60px 16px;
    background: var(--s21d-dark);
}

.s21d-section-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--s21d-light);
}

.s21d-section-title span {
    color: var(--s21d-primary);
}

.s21d-cat-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 16px;
    margin-bottom: 24px;
    -webkit-overflow-scrolling: touch;
}

.s21d-cat-tab {
    padding: 10px 20px;
    background: var(--s21d-gray-dark);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--s21d-transition);
    border: none;
    color: var(--s21d-light);
}

.s21d-cat-tab:hover,
.s21d-cat-tab-active {
    background: var(--s21d-gradient);
    color: var(--s21d-light);
}

.s21d-cat-content {
    display: none;
}

.s21d-cat-content-active {
    display: block;
}

/* ============================================
   Game Grid
   ============================================ */
.s21d-game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
}

.s21d-game-card {
    background: var(--s21d-gray-dark);
    border-radius: var(--s21d-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--s21d-transition);
}

.s21d-game-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--s21d-shadow);
}

.s21d-game-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.s21d-game-name {
    padding: 10px;
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   Features Section
   ============================================ */
.s21d-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.s21d-feature-card {
    background: var(--s21d-gray-dark);
    border-radius: var(--s21d-radius);
    padding: 24px;
    text-align: center;
    transition: var(--s21d-transition);
}

.s21d-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--s21d-shadow);
}

.s21d-feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    background: var(--s21d-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--s21d-light);
}

.s21d-feature-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.s21d-feature-desc {
    font-size: 14px;
    color: var(--s21d-gray);
}

/* ============================================
   Accordion (FAQ)
   ============================================ */
.s21d-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.s21d-accordion-item {
    background: var(--s21d-gray-dark);
    border-radius: var(--s21d-radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
}

.s21d-accordion-header {
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    transition: var(--s21d-transition);
}

.s21d-accordion-header:hover {
    background: rgba(255, 107, 53, 0.1);
}

.s21d-accordion-icon {
    font-size: 20px;
    transition: var(--s21d-transition);
}

.s21d-accordion-active .s21d-accordion-icon {
    transform: rotate(180deg);
}

.s21d-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.s21d-accordion-body {
    padding: 0 20px 16px;
    color: var(--s21d-gray);
    font-size: 14px;
    line-height: 1.7;
}

/* ============================================
   Footer
   ============================================ */
.s21d-footer {
    background: var(--s21d-secondary);
    padding: 40px 16px 20px;
}

.s21d-footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.s21d-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.s21d-footer-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--s21d-primary);
}

.s21d-footer-links {
    list-style: none;
}

.s21d-footer-links li {
    margin-bottom: 10px;
}

.s21d-footer-links a {
    color: var(--s21d-gray);
    font-size: 14px;
}

.s21d-footer-links a:hover {
    color: var(--s21d-primary);
}

.s21d-footer-partners {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 24px;
}

.s21d-partner-logo {
    height: 32px;
    opacity: 0.7;
    transition: var(--s21d-transition);
}

.s21d-partner-logo:hover {
    opacity: 1;
}

.s21d-footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--s21d-gray-dark);
}

.s21d-copyright {
    font-size: 13px;
    color: var(--s21d-gray);
}

/* ============================================
   Mobile Bottom Navigation
   ============================================ */
.s21d-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.98);
    backdrop-filter: blur(10px);
    padding: 8px 0;
    display: flex;
    justify-content: space-around;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.s21d-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 60px;
    min-height: 60px;
    padding: 8px 12px;
    cursor: pointer;
    transition: var(--s21d-transition);
    border-radius: 12px;
}

.s21d-nav-item:hover {
    background: rgba(255, 107, 53, 0.15);
}

.s21d-nav-item-active {
    background: rgba(255, 107, 53, 0.2);
}

.s21d-nav-icon {
    font-size: 24px;
    color: var(--s21d-gray);
    transition: var(--s21d-transition);
}

.s21d-nav-item:hover .s21d-nav-icon,
.s21d-nav-item-active .s21d-nav-icon {
    color: var(--s21d-primary);
}

.s21d-nav-text {
    font-size: 11px;
    color: var(--s21d-gray);
    transition: var(--s21d-transition);
}

.s21d-nav-item:hover .s21d-nav-text,
.s21d-nav-item-active .s21d-nav-text {
    color: var(--s21d-primary);
}

/* ============================================
   Mobile Menu
   ============================================ */
.s21d-mobile-menu {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    background: var(--s21d-secondary);
    z-index: 9999;
    transition: left 0.3s ease;
    overflow-y: auto;
    padding: 80px 20px 20px;
}

.s21d-menu-active {
    left: 0;
}

.s21d-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: var(--s21d-transition);
}

.s21d-overlay-active {
    opacity: 1;
    visibility: visible;
}

.s21d-menu-list {
    list-style: none;
}

.s21d-menu-item {
    margin-bottom: 8px;
}

.s21d-menu-link {
    display: block;
    padding: 14px 16px;
    border-radius: var(--s21d-radius-sm);
    font-size: 15px;
    font-weight: 500;
    transition: var(--s21d-transition);
}

.s21d-menu-link:hover {
    background: rgba(255, 107, 53, 0.15);
    color: var(--s21d-primary);
}

/* ============================================
   Utility Classes
   ============================================ */
.s21d-text-center { text-align: center; }
.s21d-text-primary { color: var(--s21d-primary); }
.s21d-text-accent { color: var(--s21d-accent); }
.s21d-mb-16 { margin-bottom: 16px; }
.s21d-mb-24 { margin-bottom: 24px; }
.s21d-mt-24 { margin-top: 24px; }

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    main {
        padding-bottom: 80px;
    }

    .s21d-menu-toggle {
        display: block;
    }

    .s21d-header-actions .s21d-btn {
        display: none;
    }

    .s21d-hero-title {
        font-size: 28px;
    }

    .s21d-section-title {
        font-size: 24px;
    }

    .s21d-game-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
}

@media (min-width: 769px) {
    .s21d-bottom-nav {
        display: none;
    }

    .s21d-header-actions .s21d-btn {
        display: block;
    }
}

@media (max-width: 430px) {
    .s21d-hero {
        padding: 80px 12px 70px;
    }

    .s21d-hero-title {
        font-size: 24px;
    }

    .s21d-hero-btns {
        flex-direction: column;
    }

    .s21d-hero-btn {
        width: 100%;
    }

    .s21d-section {
        padding: 40px 12px;
    }

    .s21d-game-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}