/* ============================================
   晚风影视 - 管理后台样式
   ============================================ */

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

:root {
    --primary: #4a90d9;
    --primary-dark: #357abd;
    --success: #52c41a;
    --warning: #faad14;
    --danger: #e74c3c;
    --bg: #f0f2f5;
    --bg-white: #fff;
    --text: #2c3e50;
    --text-secondary: #7f8c8d;
    --border: #e8e8e8;
    --sidebar-bg: #1e2a3a;
    --sidebar-hover: #263548;
    --sidebar-active: #1890ff;
    --radius: 6px;
    --shadow: 0 2px 8px rgba(0,0,0,0.06);
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
}

/* ===== 登录页 ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e2a3a 0%, #2c3e50 50%, #34495e 100%);
}
.login-box {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    width: 380px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.login-header {
    text-align: center;
    margin-bottom: 30px;
}
.login-header h2 {
    font-size: 26px;
    color: #2c3e50;
    font-weight: 600;
    letter-spacing: 2px;
}
.login-header p {
    color: #95a5a6;
    margin-top: 4px;
}
.login-form .form-group { margin-bottom: 18px; }
.login-form label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    color: #555;
}
.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    height: 42px;
    border: 1px solid #dcdfe6;
    border-radius: var(--radius);
    padding: 0 14px;
    font-size: 14px;
    transition: border-color 0.2s;
}
.login-form input:focus { outline: none; border-color: var(--primary); }

/* ===== 后台布局 ===== */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: 220px;
    background: var(--sidebar-bg);
    color: #ccc;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}
.sidebar-brand {
    padding: 22px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-brand h2 {
    font-size: 20px;
    color: #fff;
    font-weight: 600;
    letter-spacing: 1px;
}
.sidebar-brand small {
    font-size: 12px;
    color: #8899aa;
}
.sidebar-menu {
    list-style: none;
    padding: 12px 0;
    flex: 1;
}
.sidebar-menu li { margin: 2px 0; }
.sidebar-menu li a {
    display: flex;
    align-items: center;
    padding: 11px 20px;
    color: #b0bec5;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.sidebar-menu li a:hover {
    background: var(--sidebar-hover);
    color: #e0e0e0;
}
.sidebar-menu li.active a {
    background: rgba(24,144,255,0.15);
    color: #fff;
    border-left-color: var(--sidebar-active);
}
.menu-icon {
    margin-right: 10px;
    display: flex;
    align-items: center;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 13px;
}
.sidebar-footer a {
    color: #8899aa;
    text-decoration: none;
}
.sidebar-footer a:hover { color: #e0e0e0; }

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: 220px;
    padding: 0;
    min-height: 100vh;
}

/* 顶部栏 */
.topbar {
    background: #fff;
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar-left { font-size: 16px; font-weight: 500; }
.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
    color: #666;
}

/* 内容区 */
.content-area {
    padding: 24px;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}
.stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 16px;
}
.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
}
.stat-icon.blue { background: #4a90d9; }
.stat-icon.green { background: #52c41a; }
.stat-icon.orange { background: #fa8c16; }
.stat-icon.purple { background: #722ed1; }
.stat-icon.teal { background: #13c2c2; }
.stat-info h4 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text);
}
.stat-info p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* 卡片 */
.card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}
.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-header h3 {
    font-size: 16px;
    font-weight: 600;
}
.card-body { padding: 20px; }

/* 表格 */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
}
table th, table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}
table th {
    background: #fafafa;
    font-weight: 600;
    color: #555;
    font-size: 13px;
}
table tr:hover td { background: #fafbfc; }

/* 徽章 */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 500;
}
.badge-success { background: #f6ffed; color: #52c41a; border: 1px solid #b7eb8f; }
.badge-danger { background: #fff2f0; color: #e74c3c; border: 1px solid #ffa39e; }
.badge-default { background: #f5f5f5; color: #999; border: 1px solid #d9d9d9; }

/* ===== 通用元素 ===== */
.btn {
    display: inline-block;
    height: 36px;
    line-height: 36px;
    padding: 0 20px;
    border-radius: var(--radius);
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    font-weight: 500;
    transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-outline { background: #fff; color: #555; border-color: #d9d9d9; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { height: 30px; line-height: 30px; padding: 0 12px; font-size: 13px; }
.btn-block { display: block; width: 100%; text-align: center; }
.btn-group { display: flex; gap: 8px; }

.alert {
    padding: 10px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-error { background: #fff2f0; color: #c0392b; border: 1px solid #ffccc7; }
.alert-success { background: #f6ffed; color: #389e0d; border: 1px solid #b7eb8f; }
.alert-info { background: #e6f7ff; color: #096dd9; border: 1px solid #91d5ff; }

/* 表单 */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    color: #555;
    font-size: 14px;
}
.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group input[type="search"],
.form-group textarea,
.form-group select {
    width: 100%;
    height: 38px;
    border: 1px solid #d9d9d9;
    border-radius: var(--radius);
    padding: 0 12px;
    font-size: 14px;
    color: #333;
    transition: border-color 0.2s;
}
.form-group textarea {
    height: auto;
    padding: 10px 12px;
    resize: vertical;
    min-height: 80px;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(74,144,217,0.1);
}
.form-group .help-text {
    font-size: 12px;
    color: #999;
    margin-top: 2px;
}
.form-inline {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    flex-wrap: wrap;
}
.form-inline .form-group { margin-bottom: 0; }

/* 模态框 */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.45);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal-box {
    background: #fff;
    border-radius: 8px;
    width: 520px;
    max-width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 6px 30px rgba(0,0,0,0.15);
}
.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 { font-size: 16px; }
.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: #999;
    padding: 0 4px;
}
.modal-body { padding: 20px; }
.modal-footer {
    padding: 12px 20px;
    border-top: 1px solid #f0f0f0;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* 分页 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 20px;
}
.pagination a, .pagination span {
    display: inline-block;
    height: 32px;
    line-height: 32px;
    padding: 0 10px;
    border-radius: 4px;
    border: 1px solid #d9d9d9;
    font-size: 13px;
    text-decoration: none;
    color: #555;
    background: #fff;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.pagination .disabled { color: #ccc; }

/* 搜索框 */
.search-box {
    display: flex;
    gap: 8px;
}
.search-box input {
    width: 250px;
    height: 36px;
    border: 1px solid #d9d9d9;
    border-radius: var(--radius);
    padding: 0 12px;
    font-size: 14px;
}
.search-box input:focus { outline: none; border-color: var(--primary); }

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 48px 0;
    color: #bbb;
}

/* 响应式 */
@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .sidebar-brand h2, .menu-text, .sidebar-brand small, .sidebar-footer span { display: none; }
    .main-content { margin-left: 60px; }
    .menu-icon { margin-right: 0; }
    .sidebar-menu li a { justify-content: center; padding: 14px; }
}