* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
    background: #f4f6f9;
    color: #1f2430;
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #1f2937;
    color: #fff;
    padding: 14px 24px;
}
.navbar .brand { font-weight: 700; font-size: 18px; }
.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    margin-left: 18px;
    font-size: 14px;
}
.nav-links a:hover { color: #fff; }
.user-info { margin-left: 18px; color: #93c5fd; font-size: 14px; }

.container { max-width: 900px; margin: 32px auto; padding: 0 16px; }
.auth-box {
    max-width: 360px;
    margin: 80px auto;
    background: #fff;
    padding: 32px;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.card {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    margin-bottom: 20px;
}
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }

label { display: block; margin: 12px 0 4px; font-size: 13px; font-weight: 600; color: #475569; }
input, select {
    width: 100%;
    padding: 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
}
button {
    margin-top: 18px;
    width: 100%;
    padding: 10px;
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}
button:hover { background: #1d4ed8; }

.msg { padding: 10px 14px; border-radius: 6px; font-size: 14px; margin-bottom: 12px; }
.msg.error { background: #fee2e2; color: #b91c1c; }
.msg.success { background: #dcfce7; color: #15803d; }

.data-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; margin-top: 10px; }
.data-table th, .data-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #e5e7eb; font-size: 14px; }
.data-table th { background: #f1f5f9; font-weight: 600; }
.data-table tr.highlight { background: #fef9c3; }

.badge { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ok { background: #dcfce7; color: #15803d; }
.badge.fail { background: #fee2e2; color: #b91c1c; }

.copy-btn {
    width: auto;
    margin: 0;
    padding: 6px 14px;
    font-size: 13px;
    background: #475569;
}
.copy-btn:hover { background: #334155; }