/* ============================================
   维汉双语进销存系统 - 精致版样式
   ============================================ */

:root {
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --primary-dark: #4338ca;
    --secondary: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1e293b;
    --gray: #64748b;
    --light: #f8fafc;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.08);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.08);
    --radius: 20px;
    --radius-sm: 14px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f1f5f9;
    color: var(--dark);
    line-height: 1.5;
}

/* 维吾尔文字体 */
@font-face {
    font-family: 'UyghurFont';
    src: url('/assets/fonts/ALKATIP%20Basma%20Tom.ttf') format('truetype');
}

html[lang="ug"] body,
html[lang="ug"] button,
html[lang="ug"] a,
html[lang="ug"] td,
html[lang="ug"] th,
html[lang="ug"] input,
html[lang="ug"] .lang-btn,
html[lang="ug"] .nav-link {
    font-family: 'UyghurFont', 'Inter', sans-serif !important;
}

html[dir="rtl"] {
    direction: rtl;
}

/* ========== 导航栏 ========== */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 70px;
    gap: 20px;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
}

.logo i {
    font-size: 26px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-menu {
    display: flex;
    gap: 4px;
    list-style: none;
    flex-wrap: wrap;
}

.nav-link {
    padding: 8px 18px;
    text-decoration: none;
    color: var(--gray);
    border-radius: 40px;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link i {
    font-size: 15px;
    opacity: 0.7;
}

.nav-link:hover {
    background: var(--primary-light);
    color: white;
}

.nav-link:hover i {
    opacity: 1;
}

.nav-link.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 12px rgba(79, 70, 229, 0.35);
}

/* 语言切换 */
.lang-switch {
    display: flex;
    gap: 6px;
    background: var(--light);
    padding: 4px;
    border-radius: 40px;
}

.lang-btn {
    padding: 6px 20px;
    border: none;
    background: transparent;
    border-radius: 40px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    color: var(--gray);
    text-decoration: none;
}

.lang-btn.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

/* 用户信息 */
.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--light);
    padding: 6px 16px 6px 20px;
    border-radius: 40px;
}

.user-info i {
    font-size: 18px;
    color: var(--primary);
}

.logout-btn {
    padding: 6px 16px;
    background: var(--danger);
    color: white;
    border-radius: 40px;
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.logout-btn:hover {
    background: #dc2626;
    transform: scale(0.96);
}

.menu-toggle {
    display: none;
    background: var(--light);
    border: none;
    font-size: 22px;
    cursor: pointer;
    padding: 8px 14px;
    border-radius: 40px;
    color: var(--primary);
}

/* ========== 主要内容 ========== */
.main-content {
    max-width: 1400px;
    margin: 28px auto;
    padding: 0 28px;
}

/* ========== 统计卡片 ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.stat-info h3 {
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 8px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--dark);
}

.stat-icon {
    font-size: 48px;
    opacity: 0.12;
}

/* ========== 卡片 ========== */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 28px;
    overflow: hidden;
    transition: all 0.3s;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 20px 28px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    background: white;
}

.card-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-header h2 i {
    color: var(--primary);
    font-size: 20px;
}

.card-body {
    padding: 24px 28px;
    overflow-x: auto;
}

/* ========== 表格 ========== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th {
    text-align: left;
    padding: 14px 12px;
    background: #f8fafc;
    font-weight: 600;
    color: var(--dark);
    border-bottom: 1.5px solid var(--border);
}

.data-table td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--gray);
}

.data-table tr:hover td {
    background: #fafcff;
}

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 22px;
    border: none;
    border-radius: 40px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    text-decoration: none;
    background: var(--light);
    color: var(--dark);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.35);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
    border-radius: 32px;
}

.btn-danger {
    background: #fee2e2;
    color: var(--danger);
}

.btn-danger:hover {
    background: #fecaca;
    transform: translateY(-1px);
}

/* ========== 表单 ========== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 13px;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: 16px;
    font-size: 14px;
    transition: all 0.2s;
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

/* ========== 模态框 ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1100;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(6px);
}

.modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 28px;
    max-width: 540px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalFadeIn 0.25s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.96);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    padding: 20px 28px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.modal-header button {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray);
}

.modal-body {
    padding: 24px 28px;
}

.modal-footer {
    padding: 16px 28px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ========== 状态标签 ========== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 14px;
    border-radius: 40px;
    font-size: 12px;
    font-weight: 500;
}

.status-active,
.status-approved,
.status-completed,
.status-paid {
    background: #dcfce7;
    color: #166534;
}

.status-pending,
.status-unpaid {
    background: #fef9c3;
    color: #854d0e;
}

.status-inactive,
.status-cancelled {
    background: #fee2e2;
    color: #991b1b;
}

/* ========== 下拉菜单 ========== */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: var(--shadow-md);
    border-radius: 16px;
    min-width: 200px;
    z-index: 1001;
    list-style: none;
    padding: 8px;
    border: 1px solid var(--border);
}

.nav-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    text-decoration: none;
    color: var(--gray);
    border-radius: 12px;
    transition: all 0.2s;
}

.dropdown-menu li a:hover {
    background: var(--light);
    color: var(--primary);
}

/* ========== 移动端响应式 ========== */
@media (max-width: 768px) {
    .navbar-container {
        padding: 12px 20px;
    }

    .menu-toggle {
        display: block;
        order: 3;
    }

    .nav-menu {
        display: none;
        width: 100%;
        order: 4;
        flex-direction: column;
        gap: 8px;
        margin-top: 16px;
        padding-top: 16px;
        border-top: 1px solid var(--border);
    }

    .nav-menu.show {
        display: flex;
    }

    .nav-link {
        justify-content: center;
        padding: 12px 16px;
    }

    .nav-dropdown {
        position: static;
    }

    .dropdown-menu {
        position: static;
        display: none;
        box-shadow: none;
        padding-left: 24px;
        background: var(--light);
        margin-top: 8px;
        border-radius: 16px;
    }

    .nav-dropdown.active .dropdown-menu {
        display: block;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .stat-number {
        font-size: 24px;
    }

    .card-header {
        flex-direction: column;
        align-items: stretch;
        padding: 16px 20px;
    }

    .card-header .btn {
        align-self: flex-start;
    }

    .card-body {
        padding: 16px 20px;
    }

    .data-table {
        font-size: 12px;
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    .data-table th,
    .data-table td {
        padding: 10px 12px;
    }

    .main-content {
        padding: 0 20px;
        margin: 20px auto;
    }

    .btn {
        padding: 8px 18px;
        font-size: 12px;
    }

    .modal-content {
        width: 94%;
        border-radius: 24px;
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 16px 20px;
    }
}

/* 超小屏幕 */
@media (max-width: 480px) {
    .stat-number {
        font-size: 20px;
    }

    .card-header h2 {
        font-size: 16px;
    }

    .data-table {
        font-size: 11px;
        min-width: 480px;
    }

    .logo {
        font-size: 16px;
    }

    .logo i {
        font-size: 20px;
    }
}

/* 滚动条 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--light);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 10px;
}

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

/* ========== 移动端终极优化 ========== */
@media (max-width: 768px) {
    /* 侧边栏滑出效果 */
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1050;
        width: 280px;
        box-shadow: 2px 0 12px rgba(0,0,0,0.3);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    /* 遮罩层 */
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 1040;
        display: none;
    }
    .sidebar-overlay.active {
        display: block;
    }
    /* 顶部栏紧凑布局 */
    .top-bar {
        padding: 8px 16px;
        flex-wrap: wrap;
    }
    .menu-toggle-side {
        font-size: 24px;
        padding: 8px 12px;
    }
    .user-area {
        gap: 12px;
    }
    .lang-switch {
        order: 2;
    }
    .user-info {
        padding: 4px 12px;
        gap: 8px;
    }
    .user-info span {
        font-size: 13px;
    }
    .logout-btn {
        padding: 4px 10px;
        font-size: 11px;
    }
    /* 主要内容区 */
    .main-content {
        padding: 16px;
    }
    /* 统计卡片 */
    .stats-grid {
        gap: 12px;
    }
    .stat-card {
        padding: 14px;
    }
    .stat-number {
        font-size: 22px;
    }
    .stat-icon {
        font-size: 36px;
    }
    /* 卡片 */
    .card-header {
        padding: 12px 16px;
    }
    .card-header h2 {
        font-size: 16px;
    }
    .card-body {
        padding: 12px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    /* 表格横向滚动 */
    .data-table {
        min-width: 600px;
        font-size: 12px;
    }
    .data-table th, .data-table td {
        padding: 8px 10px;
        white-space: nowrap;
    }
    /* 按钮增大点击区域 */
    .btn {
        padding: 8px 18px;
        font-size: 13px;
        min-height: 38px;
    }
    .btn-sm {
        padding: 6px 14px;
        min-height: 32px;
    }
    /* 表单元素 */
    .form-control {
        font-size: 16px; /* 防止iOS缩放 */
        padding: 10px 14px;
    }
    /* 模态框 */
    .modal-content {
        width: 95%;
        margin: 20px auto;
    }
}

/* ========== 手机端终极美化 ========== */
@media (max-width: 768px) {
    /* 侧边栏滑出 */
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
        width: 280px;
        z-index: 1060;
        box-shadow: 2px 0 20px rgba(0,0,0,0.2);
        border-radius: 0 20px 20px 0;
    }
    .sidebar.open {
        transform: translateX(0);
    }
    /* 遮罩层 */
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.4);
        backdrop-filter: blur(3px);
        z-index: 1050;
        display: none;
        transition: all 0.3s;
    }
    .sidebar-overlay.active {
        display: block;
    }
    /* 顶部栏简洁 */
    .top-bar {
        padding: 8px 16px;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(10px);
    }
    .menu-toggle-side {
        background: #f1f5f9;
        border-radius: 30px;
        padding: 8px 14px;
        font-size: 20px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    }
    .user-area {
        gap: 10px;
    }
    .lang-switch .lang-btn {
        padding: 5px 12px;
        font-size: 12px;
    }
    .user-info {
        padding: 4px 12px;
        gap: 6px;
    }
    /* 主要内容区 */
    .main-content {
        padding: 16px;
    }
    /* 卡片和表格 */
    .card {
        border-radius: 20px;
        overflow: hidden;
    }
    .card-header {
        padding: 12px 16px;
    }
    .card-body {
        padding: 0 12px 12px 12px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    /* 表格横向滚动 */
    .data-table {
        min-width: 560px;
        font-size: 13px;
    }
    .data-table th, .data-table td {
        padding: 10px 12px;
        white-space: nowrap;
    }
    /* 统计卡片 */
    .stats-grid {
        gap: 12px;
    }
    .stat-card {
        padding: 14px;
        border-radius: 20px;
    }
    .stat-number {
        font-size: 24px;
    }
    /* 按钮加大点击区域 */
    .btn {
        padding: 8px 20px;
        min-height: 40px;
        border-radius: 40px;
    }
    .btn-sm {
        padding: 6px 16px;
        min-height: 36px;
    }
    /* 模态框圆润 */
    .modal-content {
        border-radius: 28px;
        width: 92%;
    }
}