/* * CloudCard Admin 样式表
 * 这是一个用于 /admin/ 目录的独立样式表。
 * 调整为更紧凑的现代布局.
 */

:root {
    --admin-bg: #f8f9fa; /* Light background for a modern look */
    --sidebar-bg: #2c3e50;
    --sidebar-text: #ecf0f1;
    --sidebar-active: #1abc9c; /* Change active color for a fresh look */
    --content-bg: #ffffff;
    --text-color: #343a40; /* Darker text */
    --border-color: #e0e6ed;
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075); /* Tighter shadow */
    --primary-color: #1abc9c; /* Emerald Green */
    --danger-color: #e74c3c;
    --info-color: #3498db;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--admin-bg);
    color: var(--text-color);
}

/* 1. 登录页面 (No change needed for compactness here) */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: var(--spacing-lg); /* 1.5rem */
    background-color: var(--content-bg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    text-align: center;
}
.login-container h1 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

/* 2. 后台主布局 - Tighter */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 220px; /* Slightly narrower sidebar */
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    padding: var(--spacing-md); /* 1rem, smaller padding */
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}
.sidebar h2 {
    color: white;
    text-align: center;
    font-size: 1.25rem; /* Smaller logo/title */
    margin-bottom: var(--spacing-lg);
}
.sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
}
.sidebar li a {
    display: flex;
    align-items: center;
    gap: 0.5rem; /* Icon spacing */
    color: var(--sidebar-text);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md); /* Tighter vertical padding */
    border-radius: 4px;
    margin-bottom: 0.25rem; /* Smaller margin */
    transition: background-color 0.2s ease;
}
.sidebar li a:hover {
    background-color: #34495e;
}
.sidebar li.active a {
    background-color: var(--sidebar-active);
    color: #fff;
    font-weight: 600;
}
.sidebar #logout-button {
    width: 100%;
    margin-top: var(--spacing-md);
}

.main-content {
    flex-grow: 1;
    padding: var(--spacing-lg); /* 1.5rem main content padding */
    overflow-y: auto;
}
.main-content h1 {
    font-size: 1.75rem; /* Slightly smaller h1 */
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-md);
    display: flex;
    align-items: baseline;
}

/* 3. 卡片和表单 - Tighter cards */
.admin-card {
    background-color: var(--content-bg);
    border-radius: 6px; /* Slightly smaller border radius */
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md); /* 1rem, smaller padding */
    margin-bottom: var(--spacing-lg);
}
.admin-card h3 {
    margin-top: 0;
    font-size: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem; /* Tighter label margin */
    font-size: 0.9rem;
}
.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.6rem 0.75rem; /* Tighter padding */
    font-size: 0.9rem; /* Smaller font size for a compact feel */
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
}
.form-group textarea {
    min-height: 60px; /* Smaller min-height */
    resize: vertical;
}

/* 4. 按钮 - Tighter buttons (Replaced by Bootstrap utility classes where possible) */
.button {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem; /* Tighter padding */
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    background-color: var(--primary-color);
    color: white;
    transition: background-color 0.2s ease;
}
.button:hover {
    background-color: #16a085;
}
.button-secondary {
    background-color: #7f8c8d;
    color: white;
}
.button-secondary:hover {
    background-color: #6c7a7b;
}
.button-danger {
    background-color: var(--danger-color);
    color: white;
}
.button-danger:hover {
    background-color: #c0392b;
}
.button-info {
    background-color: var(--info-color);
    color: white;
}
.button-info:hover {
    background-color: #2980b9;
}
.button-sm {
    padding: 0.2rem 0.4rem; /* Even tighter small button */
    font-size: 0.75rem;
}

/* 5. 列表 (Table styles for enhanced list look) */
.item-list { /* Removed, use table instead */
    margin-top: var(--spacing-md);
}
.sidebar li.submenu-title a {
    font-weight: bold;
    color: #bdc3c7;
    cursor: default;
    background: none;
    margin-top: var(--spacing-md);
    margin-bottom: 0;
    padding-left: 0.5rem;
}
.sidebar li.submenu-title a:hover {
    background: none;
}
.sidebar li.submenu-item a {
    padding-left: 2rem;
}

/* New Table Styles for a cleaner look */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-md);
    font-size: 0.9rem; /* Compact font size */
}
.admin-table thead th {
    background-color: #f4f7f6;
    border-bottom: 2px solid var(--border-color);
    text-align: left;
    padding: 0.75rem;
    cursor: pointer; /* Indicate sortability */
    user-select: none;
    white-space: nowrap; /* Prevent wrapping */
}
.admin-table tbody td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}
.admin-table tbody tr:hover {
    background-color: #f8f9fa;
}
.table-actions {
    white-space: nowrap; /* Keep buttons together */
}

/* Toolbar for search/sort/export */
.admin-toolbar {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    align-items: center;
    flex-wrap: wrap;
}
.admin-toolbar .search-input {
    flex-grow: 1;
    max-width: 300px;
}
.admin-toolbar .select-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.admin-toolbar select, .admin-toolbar input[type="text"] {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}
.admin-toolbar .form-check-input {
    margin-top: 0.35rem;
}

/* 6. 辅助类 */
.error-message {
    color: var(--danger-color);
    margin-top: var(--spacing-sm);
}
/* 7. 响应式设计 (Minimal changes for responsiveness) */
@media (max-width: 768px) {
    .admin-layout {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        padding: 0.5rem 1rem;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        position: fixed;
        top: 0;
        z-index: 100;
        box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    }
    
    .main-content {
        padding: 1rem;
        margin-top: 50px; /* Reduced margin */
    }
    
    .admin-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .admin-toolbar .search-input {
        max-width: 100%;
    }
}