/* Mobile viewport and layout fixes for auth pages */
@media (max-width: 768px) {
  html, body { 
    width: 100% !important; 
    max-width: 100% !important;
    overflow-x: hidden !important; 
    margin: 0 !important; 
    padding: 0 !important; 
  }
  body { 
    position: relative;
    min-height: 100vh;
  }
  .auth-container, .login-container { 
    max-width: 96% !important; 
    margin: 20px auto !important; 
  }
}

/* Prevent right half hidden due to overflow clipping or positioned parents */
.auth-container, .login-container { 
  position: relative !important; 
  overflow: visible !important; 
  width: 100% !important;
  max-width: 100% !important;
  left: auto !important;
  right: auto !important;
  transform: none !important;
}

/* Fix potential translate/scale from animations that push off screen */
.fade-in { transform: none !important; }

/* Ensure container is centered */
.login-container { margin-left: auto; margin-right: auto; }

/* 移动端登录页面布局修复 */
.auth-container {
  position: relative !important;
  width: 100% !important;
  max-width: 96% !important;
  margin: 20px auto !important;
  left: auto !important;
  right: auto !important;
  transform: none !important;
  overflow: visible !important;
}

.auth-container * {
  max-width: 100% !important;
  box-sizing: border-box !important;
}

.auth-form {
  width: 100% !important;
  max-width: 100% !important;
  padding: 20px !important;
  margin: 0 !important;
}

.form-group {
  width: 100% !important;
  max-width: 100% !important;
  margin-bottom: 20px !important;
}

.form-input {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

.auth-button {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

.auth-tabs {
  width: 100% !important;
  max-width: 100% !important;
}

.auth-tab {
  flex: 1 !important;
  min-width: 0 !important;
}

.captcha-group {
  width: 100% !important;
  display: flex !important;
  gap: 10px !important;
}

.captcha-input {
  flex: 1 !important;
  min-width: 0 !important;
}

.captcha-image {
  width: 100px !important;
  height: 40px !important;
  object-fit: cover !important;
}

.input-group {
  width: 100% !important;
  display: flex !important;
  align-items: center !important;
}

.input-group .form-input {
  flex: 1 !important;
  min-width: 0 !important;
}

.input-addon {
  flex-shrink: 0 !important;
  margin-left: 10px !important;
}

.checkbox-group {
  width: 100% !important;
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
}

.checkbox-input {
  flex-shrink: 0 !important;
}

.checkbox-label {
  flex: 1 !important;
  min-width: 0 !important;
}

.auth-links {
  width: 100% !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 10px !important;
  margin-top: 20px !important;
}

.auth-link {
  text-align: center !important;
  padding: 10px !important;
}

/* 特殊移动端优化 */
@media (max-width: 480px) {
  .auth-container {
    margin: 10px auto !important;
    border-radius: 8px !important;
  }
  
  .auth-header {
    padding: 20px !important;
  }
  
  .auth-header h1 {
    font-size: 24px !important;
  }
  
  .auth-form {
    padding: 20px !important;
  }
  
  .form-input {
    padding: 12px 14px !important;
    font-size: 16px !important; /* 防止iOS缩放 */
  }
}

/* 横屏模式修复 */
@media (max-height: 500px) and (orientation: landscape) {
  .auth-container {
    margin: 10px auto !important;
  }
  
  .auth-header {
    padding: 15px 20px !important;
  }
  
  .auth-form {
    padding: 15px 20px !important;
  }
  
  .form-group {
    margin-bottom: 15px !important;
  }
}

/* Mobile-First Responsive Design for Trading Platform - 火币风格 */

/* 移动端背景优化 */
@media (max-width: 768px) {
    body {
        background-color: #ffffff;
    }

    html {
        background-color: #ffffff;
    }
}

/* Touch-friendly interactions */
@media (hover: none) and (pointer: coarse) {
    .btn, .nav-link, .dropdown-item {
        min-height: 44px;
        min-width: 44px;
        padding: 12px 16px;
    }

    .table tbody td {
        padding: 16px 8px;
    }

    .action-buttons .btn-sm {
        min-height: 40px;
        padding: 8px 12px;
    }
}

/* Mobile Navigation Improvements */
@media (max-width: 991px) {
    .navbar-toggler {
        border: none;
        padding: 8px;
        border-radius: 8px;
        background: rgba(240, 185, 11, 0.1);
        color: #1e2329;
    }

    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.2rem rgba(240, 185, 11, 0.25);
    }

    .navbar-collapse {
        background: #ffffff;
        border-radius: 8px;
        margin-top: 1rem;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        border: 1px solid #eaecef;
    }

    .navbar-nav .nav-link {
        padding: 12px 16px;
        border-bottom: 1px solid #f1f3f4;
    }

    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }
}

/* Mobile Table Optimizations */
@media (max-width: 768px) {
    .market-table {
        border-radius: 0;
        border-left: none;
        border-right: none;
        box-shadow: none;
    }

    .table thead th {
        padding: 12px 8px;
        font-size: 0.8rem;
        position: relative;
    }

    .table tbody td {
        padding: 12px 8px;
        font-size: 0.85rem;
    }

    .coin-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .coin-logo {
        width: 20px;
        height: 20px;
    }

    .coin-name {
        font-size: 0.9rem;
    }

    .coin-symbol {
        font-size: 0.75rem;
    }
}

/* 移动端性能优化 - 新增 */
/* 减少重绘和回流 */
.mobile-optimized * {
    will-change: auto;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* 移动端加载状态优化 */
.mobile-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: #999;
    font-size: 14px;
}

.mobile-loading::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #FCD535;
    border-radius: 50%;
    animation: mobile-spin 1s linear infinite;
    margin-right: 10px;
}

@keyframes mobile-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 移动端错误状态优化 */
.mobile-error {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: #dc3545;
    font-size: 14px;
    background: rgba(220, 53, 69, 0.1);
    border-radius: 8px;
    margin: 10px;
}

.mobile-error::before {
    content: '⚠️';
    margin-right: 8px;
    font-size: 16px;
}

/* 移动端按钮优化 */
.mobile-btn {
    min-height: 44px;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.mobile-btn:active {
    transform: scale(0.98);
}

.mobile-btn-primary {
    background: #FCD535;
    color: #1e2329;
}

.mobile-btn-primary:hover {
    background: #f0c800;
}

.mobile-btn-secondary {
    background: #f8f9fa;
    color: #6c757d;
    border: 1px solid #dee2e6;
}

.mobile-btn-secondary:hover {
    background: #e9ecef;
}

/* 移动端表单优化 */
.mobile-form-group {
    margin-bottom: 20px;
}

.mobile-form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #495057;
    font-size: 14px;
}

.mobile-form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s ease;
    background: #fff;
}

.mobile-form-input:focus {
    outline: none;
    border-color: #FCD535;
    box-shadow: 0 0 0 3px rgba(252, 213, 53, 0.1);
}

/* 移动端卡片优化 */
.mobile-card {
    background: #fff;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid #f1f3f4;
}

.mobile-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f1f3f4;
}

.mobile-card-title {
    font-size: 16px;
    font-weight: 600;
    color: #1e2329;
    margin: 0;
}

/* 移动端列表优化 */
.mobile-list {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.mobile-list-item {
    display: flex;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid #f1f3f4;
    transition: background-color 0.2s ease;
}

.mobile-list-item:last-child {
    border-bottom: none;
}

.mobile-list-item:active {
    background-color: #f8f9fa;
}

.mobile-list-item-content {
    flex: 1;
    margin-right: 12px;
}

.mobile-list-item-title {
    font-size: 16px;
    font-weight: 500;
    color: #1e2329;
    margin-bottom: 4px;
}

.mobile-list-item-subtitle {
    font-size: 14px;
    color: #6c757d;
}

.mobile-list-item-action {
    color: #FCD535;
    font-size: 14px;
}

/* 移动端导航优化 */
.mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid #e9ecef;
    padding: 8px 0;
    z-index: 1000;
    display: flex;
    justify-content: space-around;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px;
    color: #6c757d;
    text-decoration: none;
    font-size: 12px;
    transition: color 0.2s ease;
}

.mobile-nav-item.active {
    color: #FCD535;
}

.mobile-nav-icon {
    font-size: 20px;
    margin-bottom: 4px;
}

/* 移动端安全区域适配 */
@supports (padding: max(0px)) {
    .mobile-nav {
        padding-bottom: max(8px, env(safe-area-inset-bottom));
    }
    
    .mobile-container {
        padding-top: max(0px, env(safe-area-inset-top));
        padding-bottom: max(0px, env(safe-area-inset-bottom));
    }
}

/* 移动端滚动优化 */
.mobile-scroll {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* 移动端图片优化 */
.mobile-img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

/* 移动端文字优化 */
.mobile-text-primary {
    color: #FCD535;
}

.mobile-text-success {
    color: #28a745;
}

.mobile-text-danger {
    color: #dc3545;
}

.mobile-text-muted {
    color: #6c757d;
}

/* 移动端间距优化 */
.mobile-spacing-xs { margin: 4px; }
.mobile-spacing-sm { margin: 8px; }
.mobile-spacing-md { margin: 16px; }
.mobile-spacing-lg { margin: 24px; }
.mobile-spacing-xl { margin: 32px; }

/* 移动端字体大小优化 */
.mobile-text-xs { font-size: 12px; }
.mobile-text-sm { font-size: 14px; }
.mobile-text-md { font-size: 16px; }
.mobile-text-lg { font-size: 18px; }
.mobile-text-xl { font-size: 20px; }

/* 移动端响应式工具类 */
@media (max-width: 576px) {
    .mobile-hidden-xs { display: none !important; }
    .mobile-visible-xs { display: block !important; }
}

@media (min-width: 577px) and (max-width: 768px) {
    .mobile-hidden-sm { display: none !important; }
    .mobile-visible-sm { display: block !important; }
}

/* 移动端动画优化 */
.mobile-fade-in {
    animation: mobile-fade-in 0.3s ease-in-out;
}

@keyframes mobile-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.mobile-slide-up {
    animation: mobile-slide-up 0.3s ease-out;
}

@keyframes mobile-slide-up {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}