/**
 * 响应式样式
 * Responsive Styles
 */

/* ===== Tablet (max-width: 1024px) ===== */
@media (max-width: 1024px) {
    :root {
        --header-height: 70px;
    }
    
    .nav-list {
        gap: 4px;
    }
    
    .nav-list li a {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

/* ===== Mobile (max-width: 768px) ===== */
@media (max-width: 768px) {
    :root {
        --header-height: 65px;
    }
    
    /* Header */
    .main-header .container {
        padding: 0 15px;
    }
    
    .logo img {
        height: 70px;
        max-width: 150px;
    }
    
    /* Navigation */
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
        padding: 30px 20px;
        opacity: 0;
        visibility: hidden;
        transform: translateX(100%);
        transition: var(--transition);
    }
    
    .main-nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-list li a {
        padding: 15px 20px;
        font-size: 1.1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    /* Mobile Menu Toggle */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    /* Header Actions */
    .header-actions {
        gap: 8px;
    }
    
    .header-actions .btn {
        display: none;
    }
    
    .lang-btn span,
    .user-btn span {
        display: none;
    }
    
    .lang-btn i:last-child,
    .user-btn i:last-child {
        display: none;
    }
    
    /* Hero */
    .hero {
        min-height: 500px;
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
    
    /* Stats */
    .stats-section {
        padding: 50px 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .stat-card {
        padding: 20px 15px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    /* Sections */
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    /* Players Grid */
    .players-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Tournaments Grid */
    .tournaments-grid {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-top {
        padding: 40px 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-brand {
        grid-column: auto;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-contact ul li {
        justify-content: center;
    }
    
    /* Tables */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table {
        min-width: 600px;
    }
    
    /* Cards */
    .card-body {
        padding: 20px;
    }
}

/* ===== Small Mobile (max-width: 480px) ===== */
@media (max-width: 480px) {
    .logo img {
        height: 60px;
        max-width: 120px;
    }
    
    .hero-title {
        font-size: 1.7rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .stat-card {
        padding: 15px 10px;
    }
    
    .stat-icon {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
    
    .stat-number {
        font-size: 1.6rem;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
    
    .section-header {
        margin-bottom: 30px;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .players-section,
    .tournaments-section {
        padding: 50px 0;
    }
}

/* ===== Bracket Responsive ===== */
.bracket-container {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    padding: 20px;
    cursor: grab;
}

.bracket-container:active {
    cursor: grabbing;
}

.bracket-wrapper {
    display: inline-block;
    min-width: max-content;
}

/* Touch scrolling indicator */
.bracket-container::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 50px;
    background: linear-gradient(to left, rgba(255,255,255,0.9), transparent);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.bracket-container.scrollable::after {
    opacity: 1;
}

@media (max-width: 768px) {
    .bracket-container {
        margin: -20px;
        padding: 20px;
        border-radius: 0;
    }
    
    .bracket-scroll-hint {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 10px;
        background: rgba(0, 107, 63, 0.1);
        color: var(--primary);
        font-size: 0.9rem;
        margin-bottom: 15px;
        border-radius: 8px;
    }
    
    .bracket-scroll-hint i {
        animation: swipe 1.5s ease-in-out infinite;
    }
    
    @keyframes swipe {
        0%, 100% { transform: translateX(-5px); }
        50% { transform: translateX(5px); }
    }
}

/* ===== Print Styles ===== */
@media print {
    .main-header,
    .main-footer,
    .mobile-menu-toggle,
    .header-actions,
    .flash-message {
        display: none !important;
    }
    
    .main-content {
        margin-top: 0;
    }
    
    .hero {
        min-height: auto;
        padding: 40px 0;
    }
    
    body {
        background: white;
    }
    
    .card,
    .player-card,
    .tournament-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}
/* 手机端仍显示登录/个人中心按钮（覆盖 header-actions .btn 隐藏） */
@media (max-width: 768px){
  .header-actions .btn{
    display: inline-flex !important;
  }
}