/* 
 * 当地产 - UI优化增强样式
 * 现代化设计系统
 */

/* ==================== 新的CSS变量 ==================== */
:root {
    /* 主色调 - 温暖的橙色 */
    --primary-50: #fff7ed;
    --primary-100: #ffedd5;
    --primary-200: #fed7aa;
    --primary-300: #fdba74;
    --primary-400: #fb923c;
    --primary-500: #f57542;
    --primary-600: #ea580c;
    --primary-700: #c2410c;
    --primary-800: #9a3412;
    --primary-900: #7c2d12;
    
    /* 辅助色 - 清新的绿色 */
    --green-50: #f0fdf4;
    --green-100: #dcfce7;
    --green-500: #22c55e;
    --green-600: #16a34a;
    --green-700: #15803d;
    
    /* 中性色 */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* 功能色 */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* 阴影系统 */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-primary: 0 10px 40px -10px rgba(245, 117, 66, 0.5);
    
    /* 圆角系统 */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    /* 间距系统 */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    
    /* 过渡动画 */
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --duration-slow: 350ms;
}

/* ==================== 玻璃拟态效果 ==================== */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ==================== 渐变背景 ==================== */
.gradient-primary {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
}

.gradient-hero {
    background: linear-gradient(135deg, #fff7ed 0%, #ffffff 50%, #fef3c7 100%);
}

.gradient-mesh {
    background: 
        radial-gradient(at 40% 20%, rgba(245, 117, 66, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 0%, rgba(34, 197, 94, 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 50%, rgba(245, 117, 66, 0.1) 0px, transparent 50%),
        radial-gradient(at 80% 50%, rgba(34, 197, 94, 0.08) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(245, 117, 66, 0.1) 0px, transparent 50%),
        linear-gradient(180deg, #ffffff 0%, #fff7ed 100%);
}

/* ==================== 新按钮样式 ==================== */
.btn-modern {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-spring);
    border: none;
    overflow: hidden;
    z-index: 1;
}

.btn-modern::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    z-index: -1;
    transition: all var(--duration-normal) var(--ease-out);
}

.btn-modern::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-400), var(--primary-500));
    z-index: -1;
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.btn-modern:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-primary);
}

.btn-modern:hover::after {
    opacity: 1;
}

.btn-modern:active {
    transform: translateY(-1px) scale(0.98);
}

.btn-modern-secondary {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
}

.btn-modern-secondary::before,
.btn-modern-secondary::after {
    display: none;
}

.btn-modern-secondary:hover {
    border-color: var(--primary-500);
    color: var(--primary-500);
    background: var(--primary-50);
}

/* 按钮光效 */
.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-shine:hover::before {
    left: 100%;
}

/* ==================== 卡片样式 ==================== */
.card-modern {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
    border: 1px solid var(--gray-100);
}

.card-modern:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.card-gradient-border {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.card-gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 2px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--primary-500), var(--green-500));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.card-gradient-border:hover::before {
    opacity: 1;
}

/* ==================== 输入框样式 ==================== */
.input-modern {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    background: white;
    transition: all var(--duration-normal) var(--ease-out);
}

.input-modern:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(245, 117, 66, 0.1);
    outline: none;
}

.input-modern::placeholder {
    color: var(--gray-400);
}

.input-group-modern {
    position: relative;
}

.input-group-modern .input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    transition: color var(--duration-normal);
}

.input-group-modern .input-modern {
    padding-left: 48px;
}

.input-group-modern:focus-within .input-icon {
    color: var(--primary-500);
}

/* ==================== 标签样式 ==================== */
.badge-modern {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--duration-normal);
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-700);
}

.badge-success {
    background: var(--green-100);
    color: var(--green-700);
}

.badge-soft {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* ==================== 导航样式优化 ==================== */
.nav-link-modern {
    position: relative;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: var(--radius-lg);
    transition: all var(--duration-normal);
}

.nav-link-modern::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-50);
    border-radius: var(--radius-lg);
    transform: scale(0.8);
    opacity: 0;
    transition: all var(--duration-normal) var(--ease-spring);
    z-index: -1;
}

.nav-link-modern:hover,
.nav-link-modern.active {
    color: var(--primary-600);
}

.nav-link-modern:hover::before,
.nav-link-modern.active::before {
    transform: scale(1);
    opacity: 1;
}

/* ==================== 动画效果 ==================== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-soft {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-slide-up {
    animation: slide-up 0.6s var(--ease-out) forwards;
}

.animate-scale-in {
    animation: scale-in 0.4s var(--ease-spring) forwards;
}

/* 滚动显示动画 */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--ease-out);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s var(--ease-out);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s var(--ease-out);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* 交错动画 */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ==================== 产品卡片优化 ==================== */
.product-card-modern {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--duration-slow) var(--ease-out);
}

.product-card-modern::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.4) 100%);
    opacity: 0;
    transition: opacity var(--duration-normal);
    z-index: 1;
}

.product-card-modern:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.product-card-modern:hover::before {
    opacity: 1;
}

.product-card-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.product-card-modern:hover .product-card-image img {
    transform: scale(1.1);
}

.product-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
}

.product-card-actions {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateX(20px);
    transition: all var(--duration-normal) var(--ease-out);
    z-index: 2;
}

.product-card-modern:hover .product-card-actions {
    opacity: 1;
    transform: translateX(0);
}

.product-card-action-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 50%;
    color: var(--gray-600);
    box-shadow: var(--shadow-md);
    transition: all var(--duration-normal);
}

.product-card-action-btn:hover {
    background: var(--primary-500);
    color: white;
    transform: scale(1.1);
}

/* ==================== 分类卡片优化 ==================== */
.category-card-modern {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
}

.category-card-modern img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.category-card-modern:hover img {
    transform: scale(1.15);
}

.category-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.8) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    transition: all var(--duration-normal);
}

.category-card-modern:hover .category-card-overlay {
    background: linear-gradient(180deg, rgba(245, 117, 66, 0.3) 0%, rgba(0,0,0,0.8) 100%);
}

.category-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-lg);
    color: var(--primary-500);
    font-size: 24px;
    margin-bottom: 16px;
    transform: translateY(20px);
    opacity: 0;
    transition: all var(--duration-normal) var(--ease-spring);
}

.category-card-modern:hover .category-card-icon {
    transform: translateY(0);
    opacity: 1;
}

.category-card-title {
    font-size: 20px;
    font-weight: 700;
    color: white;
    margin-bottom: 4px;
}

.category-card-count {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}

/* ==================== 统计卡片 ==================== */
.stat-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 28px;
    text-align: center;
    transition: all var(--duration-normal) var(--ease-out);
    border: 1px solid var(--gray-100);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

.stat-card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
    border-radius: var(--radius-lg);
    color: var(--primary-600);
    font-size: 28px;
    margin: 0 auto 16px;
    transition: all var(--duration-normal);
}

.stat-card:hover .stat-card-icon {
    transform: scale(1.1) rotate(-5deg);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
}

.stat-card-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
}

.stat-card-label {
    font-size: 14px;
    color: var(--gray-500);
    margin-top: 4px;
}

/* ==================== 表单样式优化 ==================== */
.form-modern {
    background: white;
    border-radius: var(--radius-2xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.form-group-modern {
    margin-bottom: 24px;
}

.form-label-modern {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-label-modern span {
    color: var(--error);
}

/* ==================== 消息提示 ==================== */
.alert-modern {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

.alert-modern-success {
    background: var(--green-50);
    border: 1px solid var(--green-100);
    color: var(--green-700);
}

.alert-modern-error {
    background: #fef2f2;
    border: 1px solid #fee2e2;
    color: var(--error);
}

.alert-modern-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* ==================== 分页样式 ==================== */
.pagination-modern {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination-modern a,
.pagination-modern span {
    min-width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-lg);
    background: white;
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
    transition: all var(--duration-normal);
}

.pagination-modern a:hover {
    background: var(--primary-50);
    border-color: var(--primary-500);
    color: var(--primary-600);
}

.pagination-modern .current {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: white;
}

/* ==================== 加载动画 ==================== */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 骨架屏 */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

/* ==================== 响应式优化 ==================== */
@media (max-width: 768px) {
    .btn-modern {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .card-modern {
        border-radius: var(--radius-lg);
    }
    
    .form-modern {
        padding: 24px;
        border-radius: var(--radius-xl);
    }
    
    .stat-card {
        padding: 20px;
    }
    
    .stat-card-value {
        font-size: 28px;
    }
}

/* ==================== 滚动条美化 ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ==================== 选中文字样式 ==================== */
::selection {
    background: var(--primary-200);
    color: var(--primary-900);
}