/* 小笑授权系统 - 全局样式 */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --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;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 20px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all .2s;
    text-decoration: none;
    gap: 6px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; }

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; text-decoration: none; }

.btn-block { width: 100%; }
.btn-lg { padding: 12px 24px; font-size: 16px; }

/* 表单 */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--gray-700);
}
.form-group small {
    display: block;
    margin-top: 4px;
    color: var(--gray-500);
    font-size: 12px;
}
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color .2s;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}

/* 头部 */
.header {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    text-decoration: none;
}
.logo:hover { text-decoration: none; }
.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav a {
    padding: 6px 14px;
    color: var(--gray-600);
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 14px;
}
.nav a:hover, .nav a.active {
    color: var(--primary);
    background: rgba(37,99,235,.08);
}

/* 底部 */
.footer {
    margin-top: auto;
    background: #fff;
    border-top: 1px solid var(--gray-200);
    padding: 24px 0;
    text-align: center;
    color: var(--gray-500);
    font-size: 14px;
}

/* 首页 */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}
.hero h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}
.hero p {
    font-size: 18px;
    opacity: .9;
    margin-bottom: 32px;
}
.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
}
.hero-btns .btn-outline {
    color: #fff;
    border-color: rgba(255,255,255,.5);
}
.hero-btns .btn-outline:hover {
    background: rgba(255,255,255,.15);
    color: #fff;
}

.apps-section { padding: 60px 0; }
.section-title {
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
}
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}
.app-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px;
    transition: box-shadow .2s;
    text-decoration: none;
    color: inherit;
    display: block;
}
.app-card:hover {
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}
.app-card h3, .app-card h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--gray-900);
}
.app-desc, .app-card p {
    color: var(--gray-500);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.5;
    min-height: 42px;
}
.app-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.price {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

/* 页面标题 */
.page-header {
    padding: 40px 0 24px;
}
.page-header h1 {
    font-size: 28px;
    font-weight: 600;
}

/* 查询页面 */
.query-box {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--gray-200);
    max-width: 600px;
}
.result-box {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--gray-200);
    margin-top: 20px;
    max-width: 600px;
}
.result-box h3 {
    font-size: 18px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-200);
}
.result-item {
    display: flex;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
}
.result-item .label {
    width: 100px;
    color: var(--gray-500);
    flex-shrink: 0;
}
.result-item .value {
    flex: 1;
    word-break: break-all;
}

/* 用户中心 */
.user-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 32px 0;
}
.user-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #fff;
    box-shadow: var(--shadow);
}
.user-info h2 {
    font-size: 20px;
    margin-bottom: 4px;
}
.user-info p {
    color: var(--gray-500);
    font-size: 14px;
}

/* 标签页 */
.tabs { margin-bottom: 40px; }
.tab-nav {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 20px;
}
.tab-nav a {
    padding: 12px 20px;
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    text-decoration: none;
}
.tab-nav a:hover { color: var(--primary); }
.tab-nav a.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* 卡片 */
.card {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--gray-200);
}
.card h3 {
    font-size: 16px;
    margin-bottom: 16px;
}

/* 表格 */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.table th, .table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}
.table th {
    font-weight: 600;
    color: var(--gray-600);
    background: var(--gray-50);
}
.table code {
    background: var(--gray-100);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 13px;
}

/* 徽章 */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
}
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }

/* 支付方式 */
.pay-types {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.pay-type-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all .2s;
}
.pay-type-item:hover { border-color: var(--primary); }
.pay-type-item input { margin: 0; }
.pay-type-item:has(input:checked) {
    border-color: var(--primary);
    background: rgba(37,99,235,.05);
}

/* 提示 */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 16px;
}
.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}
.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

/* 空状态 */
.empty {
    text-align: center;
    padding: 48px 20px;
    color: var(--gray-500);
}

/* 登录页 */
.login-page {
    background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
    align-items: center;
    justify-content: center;
    display: flex;
}
.login-box {
    background: #fff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    text-align: center;
}
.login-box h2 { margin-bottom: 8px; }
.login-subtitle { color: var(--gray-500); margin-bottom: 24px; }

.oauth-btns {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.oauth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px;
    border-radius: var(--radius);
    color: #fff;
    font-weight: 500;
    text-decoration: none;
    transition: opacity .2s;
}
.oauth-btn:hover { opacity: .9; text-decoration: none; }
.oauth-btn .icon { font-size: 20px; }
.oauth-btn.wechat { background: #07c160; }
.oauth-btn.qq { background: #12b7f5; }

.login-footer {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}
.login-footer a { color: var(--gray-500); font-size: 14px; }

/* 支付页 */
.pay-box {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid var(--gray-200);
    max-width: 500px;
    margin: 0 auto;
}
.pay-box h2 { text-align: center; margin-bottom: 24px; }
.order-info {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
}
.info-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
}
.info-row .price { color: var(--danger); font-size: 18px; }
.qrcode-box { text-align: center; margin: 24px 0; }
.qrcode-box p { margin-bottom: 16px; color: var(--gray-600); }
.pay-tips {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
    font-size: 14px;
    color: var(--gray-500);
}

/* 申请页 */
.apply-box {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid var(--gray-200);
    max-width: 600px;
}
.app-info {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-200);
}
.app-info h3 { margin-bottom: 8px; }
.app-info p { color: var(--gray-500); margin-bottom: 12px; }

/* 后台布局 */
.admin-body { background: var(--gray-100); }
.admin-sidebar {
    width: 240px;
    background: var(--gray-900);
    color: #fff;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    overflow-y: auto;
}
.admin-sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,.1);
}
.admin-sidebar-header h2 { font-size: 18px; }
.admin-sidebar-menu { padding: 12px 0; list-style: none; }
.admin-sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: rgba(255,255,255,.7);
    text-decoration: none;
    font-size: 14px;
    transition: all .2s;
}
.admin-sidebar-menu li a:hover,
.admin-sidebar-menu li a.active {
    color: #fff;
    background: rgba(255,255,255,.1);
}
.admin-main {
    margin-left: 240px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.admin-header {
    background: #fff;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--gray-200);
}
.admin-content { flex: 1; padding: 24px; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}
.stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--gray-200);
}
.stat-card h4 {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 8px;
}
.stat-card .num {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
}
.admin-footer {
    background: #fff;
    padding: 16px 24px;
    text-align: center;
    color: var(--gray-500);
    font-size: 13px;
    border-top: 1px solid var(--gray-200);
}

/* 分页 */
.pagination {
    display: flex;
    gap: 4px;
    justify-content: center;
    margin-top: 20px;
}
.pagination a, .pagination span {
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: 14px;
    text-decoration: none;
}
.pagination a { background: #fff; border: 1px solid var(--gray-200); color: var(--gray-600); }
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination span.current { background: var(--primary); color: #fff; }

/* 响应式 */
@media (max-width: 768px) {
    .admin-sidebar { transform: translateX(-100%); }
    .admin-main { margin-left: 0; }
    .hero h1 { font-size: 28px; }
    .hero-btns { flex-direction: column; }
    .apps-grid { grid-template-columns: 1fr; }
    .header .container { flex-wrap: wrap; height: auto; padding: 12px 20px; }
    .nav { margin-top: 8px; width: 100%; justify-content: flex-end; }
}