/* ========================================
   ACG盒子 管理后台样式
   ======================================== */

:root {
    --primary: #8b5cf6;
    --primary-light: #a78bfa;
    --primary-dark: #7c3aed;
    --bg-dark: #0a0a0f;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --border-color: rgba(255, 255, 255, 0.1);
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
}

/* 登录页面 */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #0a0a0f 100%);
}

.login-box {
    width: 400px;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo i {
    font-size: 48px;
    background: linear-gradient(135deg, #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-logo h1 { font-size: 24px; margin-top: 12px; }
.login-logo p { color: var(--text-muted); font-size: 14px; margin-top: 8px; }

/* 表单 */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-size: 14px; color: var(--text-secondary); }

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s;
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
}

.form-row { display: flex; gap: 20px; }
.form-row .form-group { flex: 1; }

.error-msg { color: var(--danger); font-size: 13px; margin-top: 10px; text-align: center; }

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary { background: linear-gradient(135deg, #8b5cf6, #06b6d4); color: white; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4); }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-warning { background: var(--warning); color: white; }
.btn-secondary { background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-block { width: 100%; }
.btn:hover { opacity: 0.9; }

/* 管理后台布局 */
.admin-container { display: none; min-height: 100vh; }
.admin-container.active { display: flex; }

/* 侧边栏 */
.sidebar {
    width: 240px;
    background: rgba(0, 0, 0, 0.3);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-logo { padding: 0 20px 20px; border-bottom: 1px solid var(--border-color); margin-bottom: 20px; }
.sidebar-logo h2 { font-size: 18px; display: flex; align-items: center; gap: 10px; }
.sidebar-logo h2 i { color: var(--primary); }

.sidebar-menu { list-style: none; }
.sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
}

.sidebar-menu li a:hover, .sidebar-menu li a.active {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary-light);
    border-right: 3px solid var(--primary);
}

.sidebar-menu li a i { width: 20px; text-align: center; }

/* 主内容区 */
.main-content { flex: 1; margin-left: 240px; padding: 30px; }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-header h1 { font-size: 24px; }

.user-info { display: flex; align-items: center; gap: 12px; }
.user-info span { color: var(--text-secondary); }
.user-info .avatar {
    width: 36px; height: 36px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 统计卡片 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 30px; }

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s;
}

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

.stat-card .icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
}

.stat-card .icon.purple { background: rgba(139, 92, 246, 0.2); color: #a78bfa; }
.stat-card .icon.blue { background: rgba(6, 182, 212, 0.2); color: #06b6d4; }
.stat-card .icon.green { background: rgba(34, 197, 94, 0.2); color: #22c55e; }
.stat-card .icon.orange { background: rgba(245, 158, 11, 0.2); color: #f59e0b; }

.stat-card .value { font-size: 32px; font-weight: 700; margin-bottom: 4px; }
.stat-card .label { color: var(--text-muted); font-size: 14px; }

/* 行列布局 */
.row { display: flex; gap: 20px; margin-bottom: 20px; }
.col-4 { flex: 0 0 33.333%; }
.col-8 { flex: 0 0 66.666%; }

/* 卡片 */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 20px;
}

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

.card-header h3 { font-size: 16px; }
.card-actions { display: flex; gap: 10px; align-items: center; }
.card-actions select { padding: 8px 12px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 8px; color: var(--text-primary); }
.card-body { padding: 20px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; }
table th, table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border-color); }
table th { color: var(--text-muted); font-weight: 500; font-size: 13px; }
table td { font-size: 14px; }
table tr:hover { background: rgba(255, 255, 255, 0.02); }
table input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; }

/* 徽章 */
.badge { display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: 12px; }
.badge-success { background: rgba(34, 197, 94, 0.2); color: #22c55e; }
.badge-danger { background: rgba(239, 68, 68, 0.2); color: #ef4444; }
.badge-primary { background: rgba(139, 92, 246, 0.2); color: #a78bfa; }
.badge-info { background: rgba(6, 182, 212, 0.2); color: #06b6d4; }

/* 预览图 */
.preview-img {
    width: 60px; height: 40px;
    object-fit: cover;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.3s;
}
.preview-img:hover { transform: scale(1.1); }

/* 统计列表 */
.stat-list { display: flex; flex-direction: column; gap: 16px; }
.stat-item { display: flex; justify-content: space-between; align-items: center; padding: 12px; background: rgba(255,255,255,0.02); border-radius: 8px; }
.stat-item span { color: var(--text-secondary); }
.stat-item strong { color: var(--primary-light); font-size: 18px; }

/* 页面切换 */
.page-section { display: none; }
.page-section.active { display: block; }

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 20px; }
.pagination button {
    padding: 8px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s;
}
.pagination button:hover, .pagination button.active { background: var(--primary); border-color: var(--primary); }
.pagination button:disabled { opacity: 0.5; cursor: not-allowed; }

/* 配置表单 */
.config-form { max-width: 800px; }
.config-form textarea { min-height: 100px; resize: vertical; font-family: inherit; }

/* Toast 提示 */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
    transform: translateX(120%);
    transition: transform 0.3s;
}

.toast.show { transform: translateX(0); }
.toast.success { border-color: var(--success); }
.toast.success i { color: var(--success); }
.toast.error { border-color: var(--danger); }
.toast.error i { color: var(--danger); }

/* 模态框 */
.modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.show { display: flex; }

.modal-content {
    background: #1a1a2e;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
}

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

.modal-header h3 { font-size: 18px; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 24px; cursor: pointer; }
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 20px; max-height: 50vh; overflow-y: auto; }
.modal-footer { padding: 20px; border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: 10px; }

/* 响应式 */
@media (max-width: 1200px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .row { flex-direction: column; }
    .col-4, .col-8 { flex: 1; }
}

@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
    .stats-grid { grid-template-columns: 1fr; }
}