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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f5f5f5;
    color: #222;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #222;
    color: #fff;
    padding: 0 1.5rem;
    height: 56px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.nav-logo { height: 32px; }
.nav-title { font-weight: 600; font-size: 1.1rem; }
.nav-env {
    font-size: 0.7rem;
    background: #666;
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}
.nav-links { display: flex; gap: 0.25rem; }
.nav-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.15s;
}
.nav-links a:hover, .nav-links a.active {
    color: #fff;
    background: rgba(255,255,255,0.12);
}
.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
}
.btn-logout {
    color: #e57373;
    text-decoration: none;
    font-size: 0.85rem;
}
.btn-logout:hover { color: #fff; }

/* Content */
.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}
h1 { margin-bottom: 0.5rem; color: #111; }
h2 { color: #222; margin-bottom: 0.75rem; }
.subtitle { color: #888; margin-bottom: 1.5rem; }

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.card {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    border: 1px solid #ddd;
    transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}
.card:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    border-color: #999;
    transform: translateY(-2px);
}
.card h3 { margin-bottom: 0.5rem; color: #111; }
.card p { color: #888; font-size: 0.9rem; }

/* Metric cards */
.metric-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.metric-card {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 1rem 1.25rem;
    text-align: center;
}
.metric-card .metric-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #888;
    margin-bottom: 0.25rem;
}
.metric-card .metric-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: #111;
    font-variant-numeric: tabular-nums;
}
.metric-card.metric-warning .metric-value { color: #b45309; }
.metric-card.metric-danger .metric-value { color: #dc2626; }

/* Controls */
.controls { margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { font-weight: 500; margin-right: 0.5rem; color: #444; }
.form-inline { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
select, input[type="text"], input[type="password"], input[type="month"], input[type="date"] {
    padding: 0.5rem 0.75rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 0.9rem;
    background: #fff;
}
input:focus { outline: none; border-color: #555; box-shadow: 0 0 0 3px rgba(0,0,0,0.08); }

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.15s;
    color: #333;
}
.btn:hover { background: #f0f0f0; border-color: #999; }
.btn-primary { background: #333; color: #fff; border-color: #333; }
.btn-primary:hover { background: #111; }
.btn-full { width: 100%; }
.btn-sm { padding: 0.25rem 0.75rem; font-size: 0.8rem; }

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #ddd;
}
.data-table th {
    background: #f5f5f5;
    text-align: left;
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #555;
    border-bottom: 2px solid #ddd;
    font-weight: 600;
}
.data-table td {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid #eee;
    font-size: 0.88rem;
    color: #333;
}
.data-table tbody tr:hover { background: #fafafa; }
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.row-warning { background: #fef3c7 !important; }
.row-well-header {
    background: #f5f5f5 !important;
    font-weight: 600;
}
.row-well-header td { border-top: 2px solid #ddd; color: #111; }
.data-table tfoot td {
    padding: 0.75rem 1rem;
    border-top: 2px solid #ddd;
    font-size: 0.9rem;
}

/* Login */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #333 0%, #111 100%);
}
.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.login-logo { height: 64px; margin-bottom: 1rem; }
.login-card h2 { margin-bottom: 0.25rem; color: #111; }
.login-subtitle { color: #888; margin-bottom: 1.5rem; }
.login-card .form-group {
    text-align: left;
    margin-bottom: 1rem;
}
.login-card input {
    width: 100%;
    padding: 0.6rem 0.75rem;
}
.login-card .btn { margin-top: 0.5rem; }

/* Alerts */
.alert { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.9rem; }
.alert-error { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }

/* Status & Loading */
.status-text { color: #888; font-size: 0.9rem; margin-top: 0.5rem; }
.loading { color: #555; font-size: 0.9rem; padding: 1rem 0; }

/* Report */
.report-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}
.report-content {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 1.5rem;
    white-space: pre-wrap;
    font-size: 0.85rem;
    line-height: 1.5;
    max-height: 70vh;
    overflow-y: auto;
}

/* Panels */
.panel {
    background: #fff;
    border-radius: 12px;
    border: 1px solid #ddd;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.panel h2 { margin-top: 0; }