:root {
    --primary: #0a9f72;
    --primary-dark: #087a58;
    --danger: #c9184a;
    --dark: #071426;
    --bg: #f0f4f9;
    --card: #ffffff;
    --text: #1a1a2e;
    --muted: #6b7280;
    --border: #e5e7eb;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
}

header {
    background: var(--dark);
    color: white;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo { font-size: 1.1rem; font-weight: 700; letter-spacing: 0.05em; }
.logo span { color: var(--primary); }

nav-right {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.card {
    background: var(--card);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
}

.btn {
    display: inline-block;
    padding: 0.7rem 1.4rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: opacity 0.15s, transform 0.1s;
    line-height: 1;
}
.btn:hover { opacity: 0.88; }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--primary); color: white; }
.btn-dark { background: var(--dark); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text);
}
.btn-ghost {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.25);
    color: rgba(255,255,255,0.85);
    padding: 0.4rem 0.85rem;
    font-size: 0.85rem;
}

input[type=text], input[type=email], select, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s;
    background: white;
}
input:focus, select:focus { border-color: var(--primary); }

label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text);
}

.form-group { margin-bottom: 1rem; }

.badge {
    display: inline-block;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
}
.badge-success { background: #d1fae5; color: #065f46; }
.badge-danger  { background: #fee2e2; color: #991b1b; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-blue    { background: #dbeafe; color: #1e40af; }

table { width: 100%; border-collapse: collapse; }
th {
    text-align: left;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    border-bottom: 2px solid var(--border);
}
td { padding: 0.75rem; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafafa; }

.alert {
    padding: 0.85rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.alert-error   { background: #fee2e2; color: #991b1b; }
.alert-success { background: #d1fae5; color: #065f46; }

.divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 1.5rem 0;
}

code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.85em;
    background: #f3f4f6;
    padding: 0.15em 0.4em;
    border-radius: 4px;
}

.status-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}
.status-ok   { background: #d1fae5; }
.status-fail { background: #fee2e2; }
.status-warn { background: #fef3c7; }

@media (max-width: 640px) {
    header { padding: 1rem; }
    .card { padding: 1.25rem; }
    main { padding: 0 0.75rem !important; }
}