/* 认证页面响应式修复 */

/* 修复小屏幕下的布局问题 */
@media (max-width: 480px) {
    .auth-container {
        padding: 10px;
        min-height: 100vh;
        display: flex;
        align-items: flex-start;
        padding-top: 20px;
    }
    
    .auth-card {
        width: 100%;
        max-width: none;
        padding: 24px 16px;
        border-radius: 16px;
        margin: 0;
    }
    
    .auth-header {
        margin-bottom: 20px;
    }
    
    .auth-header .logo {
        gap: 12px;
        margin-bottom: 8px;
    }
    
    .auth-header .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
        border-radius: 12px;
    }
    
    .auth-header h1 {
        font-size: 24px;
    }
    
    .auth-header p {
        font-size: 13px;
    }
    
    .auth-tabs {
        margin-bottom: 20px;
        border-radius: 10px;
    }
    
    .auth-tab {
        padding: 10px 12px;
        font-size: 14px;
        border-radius: 6px;
    }
    
    .form-group {
        margin-bottom: 16px;
    }
    
    .form-label {
        font-size: 13px;
        margin-bottom: 6px;
    }
    
    .form-input {
        padding: 10px 12px;
        font-size: 16px; /* 防止iOS缩放 */
        border-radius: 8px;
    }
    
    .form-help {
        font-size: 11px;
        margin-top: 4px;
    }
    
    .checkbox-label {
        font-size: 13px;
        margin-bottom: 16px;
        gap: 8px;
    }
    
    .checkmark {
        width: 18px;
        height: 18px;
        border-radius: 4px;
    }
    
    .btn-primary {
        padding: 12px 16px;
        font-size: 15px;
        border-radius: 8px;
        gap: 6px;
    }
    
    .message {
        padding: 10px 12px;
        font-size: 13px;
        margin-bottom: 16px;
        border-radius: 8px;
    }
    
    .password-toggle {
        right: 8px;
        padding: 4px;
    }
    
    .password-toggle i {
        font-size: 14px;
    }
}

/* 修复超小屏幕 */
@media (max-width: 360px) {
    .auth-card {
        padding: 20px 12px;
        border-radius: 12px;
    }
    
    .auth-header .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    
    .auth-header h1 {
        font-size: 20px;
    }
    
    .auth-tab {
        padding: 8px 10px;
        font-size: 13px;
    }
    
    .form-input {
        padding: 8px 10px;
        font-size: 14px;
    }
    
    .btn-primary {
        padding: 10px 14px;
        font-size: 14px;
    }
}

/* 修复横屏模式 */
@media (max-width: 768px) and (orientation: landscape) {
    .auth-container {
        padding: 10px;
        align-items: center;
        min-height: 100vh;
    }
    
    .auth-card {
        max-width: 400px;
        padding: 20px 24px;
    }
    
    .auth-header {
        margin-bottom: 16px;
    }
    
    .form-group {
        margin-bottom: 12px;
    }
    
    .btn-full {
        margin-top: 4px;
    }
}

/* 修复暗色模式下的对比度 */
.dark-mode .auth-container {
    background: linear-gradient(135deg, #1e1e1e 0%, #2d1b69 100%);
}

.dark-mode .auth-container::before {
    background: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
}

.dark-mode .auth-header p {
    color: rgba(255, 255, 255, 0.8);
    opacity: 0.9;
}

.dark-mode .auth-tabs {
    background: rgba(255, 255, 255, 0.05);
}

.dark-mode .auth-tab {
    color: rgba(255, 255, 255, 0.8);
}

.dark-mode .auth-tab:hover {
    background: rgba(255, 255, 255, 0.1);
}

.dark-mode .form-label {
    color: rgba(255, 255, 255, 0.9);
}

.dark-mode .form-help {
    color: rgba(255, 255, 255, 0.6);
}

.dark-mode .checkbox-label {
    color: rgba(255, 255, 255, 0.9);
}

.dark-mode .checkmark {
    border-color: rgba(255, 255, 255, 0.3);
}

.dark-mode .password-toggle {
    color: rgba(255, 255, 255, 0.6);
}

.dark-mode .password-toggle:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.2);
}

/* 修复高对比度模式 */
@media (prefers-contrast: high) {
    .auth-card {
        border: 2px solid var(--border-color);
    }
    
    .form-input {
        border-width: 2px;
    }
    
    .auth-tab.active {
        border: 2px solid var(--primary-color);
    }
    
    .btn-primary {
        border: 2px solid transparent;
    }
    
    .checkmark {
        border-width: 2px;
    }
}

/* 修复减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    .auth-container::before {
        animation: none;
    }
    
    .auth-card {
        transition: none;
    }
    
    .auth-card:hover {
        transform: none;
    }
    
    .auth-tab {
        transition: none;
    }
    
    .form-input {
        transition: none;
    }
    
    .btn-primary {
        transition: none;
    }
    
    .btn-primary:hover {
        transform: none;
    }
    
    .message {
        animation: none;
    }
    
    @keyframes fadeIn,
    @keyframes slideDown {
        from { opacity: 1; transform: none; }
        to { opacity: 1; transform: none; }
    }
}

/* 修复触摸设备 */
@media (hover: none) and (pointer: coarse) {
    .auth-tab:hover {
        background: transparent;
    }
    
    .form-input:hover {
        border-color: rgba(0, 0, 0, 0.2);
    }
    
    .btn-primary:hover {
        transform: none;
    }
    
    .password-toggle:hover {
        background: none;
        color: #6b7280;
    }
}

/* 修复iOS Safari的100vh问题 */
@supports (-webkit-touch-callout: none) {
    .auth-container {
        min-height: -webkit-fill-available;
        height: -webkit-fill-available;
    }
}

/* 修复Android Chrome的工具栏问题 */
@supports (padding: max(0px)) {
    .auth-container {
        padding-top: max(20px, env(safe-area-inset-top));
        padding-bottom: max(20px, env(safe-area-inset-bottom));
        padding-left: max(20px, env(safe-area-inset-left));
        padding-right: max(20px, env(safe-area-inset-right));
    }
}