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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: #f0f2f5;
    color: #333;
    min-height: 100vh;
}

/* Login */
.login-page {
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #1a6b3c 0%, #2d9d4f 100%);
}
.login-card {
    background: #fff; padding: 40px; border-radius: 12px;
    width: 380px; box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}
.login-card h1 { text-align: center; color: #1a6b3c; margin-bottom: 4px; }
.login-card .subtitle { text-align: center; color: #999; margin-bottom: 24px; font-size: 14px; }

/* Navbar */
.navbar {
    display: flex; align-items: center;
    background: #1a6b3c; color: #fff;
    padding: 0 24px; height: 52px;
}
.nav-brand { font-size: 18px; font-weight: bold; margin-right: 32px; }
.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-links a {
    color: rgba(255,255,255,0.85); text-decoration: none;
    padding: 8px 16px; border-radius: 6px; font-size: 14px;
    transition: background 0.2s;
}
.nav-links a:hover, .nav-links a.active { background: rgba(255,255,255,0.15); color: #fff; }
.nav-module-link { font-weight: bold; padding: 8px 20px !important; letter-spacing: 1px; }

/* Sub-nav */
.sub-nav { display: flex; gap: 4px; background: #fff; padding: 8px 24px; border-bottom: 1px solid #e8e8e8; }
.sub-nav a { color: #666; text-decoration: none; padding: 6px 16px; border-radius: 6px; font-size: 14px; transition: all 0.2s; }
.sub-nav a:hover { color: #1a6b3c; background: #f0f7f0; }
.sub-nav a.active { color: #1a6b3c; background: #e6f7e6; font-weight: 500; }
.nav-user { display: flex; align-items: center; gap: 12px; font-size: 14px; }
.btn-logout { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 13px; }
.btn-logout:hover { color: #fff; }

/* Container */
.container { max-width: 1200px; margin: 24px auto; padding: 0 24px; }

/* Stat cards */
.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: #fff; border-radius: 10px; padding: 24px;
    text-align: center; box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.stat-value { font-size: 32px; font-weight: bold; color: #1a6b3c; }
.stat-label { font-size: 14px; color: #999; margin-top: 4px; }
.stat-card.stat-warn .stat-value { color: #e74c3c; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert-error { background: #fff0f0; color: #c0392b; border: 1px solid #f5c6cb; }
.alert-warn { background: #fffbe6; color: #b8860b; border: 1px solid #ffe58f; }

/* Filters */
.filters { margin-bottom: 16px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* Tables */
.table { width: 100%; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.06); border-collapse: collapse; }
.table th { background: #fafafa; padding: 12px 16px; text-align: left; font-size: 13px; color: #666; font-weight: 600; border-bottom: 1px solid #f0f0f0; }
.table td { padding: 10px 16px; font-size: 14px; border-bottom: 1px solid #f5f5f5; }
.table tr:hover td { background: #f9fdf9; }
.table tr.row-warn td { background: #fff8f0; }

/* Tags */
.tag { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 12px; }
.tag-ok { background: #e6f7e6; color: #2d9d4f; }
.tag-warn { background: #fff0e6; color: #e67e22; }
.tag-out { background: #e8edf2; color: #555; }

/* Forms */
.form-card { background: #fff; border-radius: 10px; padding: 32px; max-width: 520px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 500; color: #333; }
.form-group input, .form-group select {
    width: 100%; padding: 10px 12px; border: 1px solid #d9d9d9;
    border-radius: 6px; font-size: 14px; transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus {
    outline: none; border-color: #2d9d4f; box-shadow: 0 0 0 2px rgba(45,157,79,0.1);
}
.form-actions { display: flex; gap: 12px; margin-top: 24px; }

/* Buttons */
.btn {
    display: inline-block; padding: 10px 24px; border: 1px solid #d9d9d9;
    border-radius: 6px; background: #fff; color: #333; font-size: 14px;
    cursor: pointer; text-decoration: none; transition: all 0.2s;
}
.btn:hover { border-color: #2d9d4f; color: #2d9d4f; }
.btn-primary { background: #2d9d4f; border-color: #2d9d4f; color: #fff; }
.btn-primary:hover { background: #258a42; color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 4px; }
.btn-active { background: #e6f7e6; border-color: #2d9d4f; color: #2d9d4f; }

/* Pagination */
.pagination { text-align: center; margin-top: 16px; display: flex; align-items: center; justify-content: center; gap: 12px; }
.pagination span { font-size: 14px; color: #666; }

/* Responsive */
@media (max-width: 768px) {
    .stat-cards { grid-template-columns: repeat(2, 1fr); }
    .navbar { flex-wrap: wrap; height: auto; padding: 8px 12px; }
    .nav-links { order: 3; overflow-x: auto; }
    .container { padding: 0 12px; }
}

.tag-info { background: #e6f0ff; color: #2d6dc4; }
.tag-cancel { background: #f0f0f0; color: #999; }
.detail-card { background: #fff; border-radius: 10px; padding: 24px; margin-bottom: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }

h2 { margin-bottom: 20px; font-size: 20px; color: #1a1a1a; }
h3 { margin: 20px 0 12px; font-size: 16px; color: #555; }