* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
    background-color: #f5f7fb;
    color: #333;
}

.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 210px;
    background: #ffffff;
    border-right: 1px solid #e5e7f0;
    padding: 16px 0;
}

.sidebar-logo {
    padding: 0 20px 16px;
    font-weight: 600;
    font-size: 18px;
    color: #2563eb;
}

.logo-sub {
    margin-left: 4px;
    font-size: 12px;
    color: #9ca3af;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
}

.nav-item {
    padding: 10px 20px;
    text-decoration: none;
    color: #4b5563;
    font-size: 14px;
}

.nav-item:hover {
    background-color: #eff6ff;
    color: #2563eb;
}

.main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: 56px;
    background: #ffffff;
    border-bottom: 1px solid #e5e7f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
}

.site-title {
    font-size: 16px;
    font-weight: 500;
}

.user-name {
    margin-right: 12px;
    font-size: 14px;
}

.logout-link {
    color: #ef4444;
    text-decoration: none;
    font-size: 14px;
}

.content {
    padding: 20px 24px 40px;
}

.page-header {
    margin-bottom: 16px;
}

.stats-row {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.stat-card {
    flex: 1;
    padding: 12px 16px;
    border-radius: 8px;
    color: #ffffff;
}

.stat-blue { background: #3b82f6; }
.stat-green { background: #10b981; }
.stat-orange { background: #f97316; }
.stat-purple { background: #8b5cf6; }

.stat-label {
    font-size: 12px;
    opacity: .9;
}

.stat-value {
    margin-top: 6px;
    font-size: 20px;
    font-weight: 600;
}

.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.filter-form {
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    border: 1px solid #d1d5db;
    background: #ffffff;
    padding: 4px 10px;
    font-size: 13px;
    cursor: pointer;
}

.btn-sm {
    padding: 3px 8px;
    font-size: 12px;
}

.btn-primary {
    background: #2563eb;
    border-color: #2563eb;
    color: #ffffff;
}

.btn-link {
    border: none;
    background: none;
    color: #2563eb;
    cursor: pointer;
    font-size: 12px;
}

.input {
    border-radius: 4px;
    border: 1px solid #d1d5db;
    padding: 4px 8px;
    font-size: 13px;
}

.card {
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #e5e7f0;
    padding: 12px 16px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.table th,
.table td {
    padding: 8px 6px;
    border-bottom: 1px solid #e5e7f0;
    text-align: left;
}

.table thead th {
    background: #f9fafb;
    font-weight: 500;
}

.text-center {
    text-align: center;
}

.tag {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 12px;
    font-size: 11px;
    color: #ffffff;
}

.tag-green { background: #16a34a; }
.tag-blue { background: #2563eb; }
.tag-red { background: #ef4444; }
.tag-gray { background: #9ca3af; }

.pagination {
    margin-top: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.pagination-info {
    color: #6b7280;
}

.pagination-links a {
    margin-left: 4px;
}

/* 登录页样式 */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-wrapper {
    width: 100%;
    max-width: 360px;
}

.login-panel {
    background: #ffffff;
    border-radius: 10px;
    padding: 24px 24px 28px;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
}

.login-title {
    margin: 0;
    font-size: 20px;
}

.login-subtitle {
    margin: 4px 0 16px;
    font-size: 13px;
    color: #6b7280;
}

.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
}

.form-group input {
    width: 100%;
    padding: 6px 8px;
    border-radius: 4px;
    border: 1px solid #d1d5db;
    font-size: 13px;
}

.btn-block {
    width: 100%;
    margin-top: 6px;
}

.alert {
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 12px;
    margin-bottom: 10px;
}

.alert-error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}