* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0f172a;
    color: #f9fafb;
}

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100vh;
    background: #111827;
    border-right: 1px solid #1f2937;
    padding: 24px 18px;
}

.logo {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 32px;
}

.nav a {
    display: block;
    color: #d1d5db;
    text-decoration: none;
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 6px;
}

.nav a:hover,
.nav a.active {
    background: #2563eb;
    color: white;
}

.main {
    margin-left: 260px;
    padding: 32px;
}

.header {
    margin-bottom: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.header h1 {
    margin: 0;
    font-size: 30px;
}

.header p {
    color: #9ca3af;
}

.card {
    background: #1f2937;
    border: 1px solid #374151;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 18px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.stat {
    font-size: 32px;
    font-weight: bold;
}

.muted {
    color: #9ca3af;
    font-size: 14px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #1f2937;
    border-radius: 16px;
    overflow: hidden;
}

th, td {
    padding: 14px;
    border-bottom: 1px solid #374151;
    text-align: left;
    font-size: 14px;
}

th {
    background: #374151;
    color: #e5e7eb;
}

code {
    background: #111827;
    padding: 4px 7px;
    border-radius: 6px;
}

input, select {
    background: #111827;
    color: white;
    border: 1px solid #374151;
    border-radius: 8px;
    padding: 9px 10px;
}

button {
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 9px 14px;
    cursor: pointer;
}

button:hover {
    background: #1d4ed8;
}

.badge {
    display: inline-block;
    padding: 5px 9px;
    border-radius: 999px;
    font-size: 13px;
}

.badge-green {
    background: #064e3b;
    color: #6ee7b7;
}

.badge-red {
    background: #7f1d1d;
    color: #fecaca;
}

.badge-yellow {
    background: #78350f;
    color: #fde68a;
}

a {
    color: #60a5fa;
}

td {
    vertical-align: top;
}

strong {
    color: #f9fafb;
}

.badge {
    white-space: nowrap;
}

.config-section {
    margin-top: 22px;
    padding: 18px;
    border: 1px solid #334155;
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.55);
}

.config-section h3 {
    margin-top: 0;
    margin-bottom: 16px;
    color: #e5e7eb;
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.config-field label {
    font-weight: 600;
    color: #cbd5e1;
}

.config-field input,
.config-field select {
    margin-top: 6px;
    width: 100%;
}

.btn-primary {
    background: #2563eb;
    color: white;
    border: 0;
    border-radius: 10px;
    padding: 10px 16px;
    font-weight: 700;
    cursor: pointer;
}

.env-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
}

.env-toggle span {
    color: #9ca3af;
    font-size: 13px;
}

.env-toggle a {
    padding: 7px 12px;
    border-radius: 999px;
    text-decoration: none;
    background: #1f2937;
    color: #9ca3af;
    border: 1px solid #374151;
    font-size: 13px;
    font-weight: 700;
}

.env-toggle a.active.prod {
    background: #16a34a;
    color: white;
    border-color: #16a34a;
}

.env-toggle a.active.dev {
    background: #f97316;
    color: white;
    border-color: #f97316;
}