:root {
    --bg: #fafbfc;
    --panel: #ffffff;
    --text: #1a1a1a;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --success: #059669;
    --radius: 6px;
    --shadow: 0 1px 2px rgba(0,0,0,0.04);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.topnav {
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 24px;
    height: 52px;
}
.topnav .logo { font-weight: 600; font-size: 16px; color: var(--text); }
.topnav nav { display: flex; gap: 18px; flex: 1; }
.topnav nav a { color: var(--text-muted); }
.topnav nav a.active { color: var(--text); font-weight: 500; }

.container { max-width: 1100px; margin: 24px auto; padding: 0 24px; }

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}
.panel-header h1, .panel-header h2 { margin: 0; font-size: 17px; flex: 1; }

table { width: 100%; border-collapse: collapse; }
table th, table td {
    text-align: left;
    padding: 10px 16px;
    border-top: 1px solid var(--border);
    vertical-align: top;
}
table th {
    background: #fafbfc;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    font-weight: 600;
    position: sticky;
    top: 0;
}
table td.num, table th.num { text-align: right; font-variant-numeric: tabular-nums; }
table tr:first-child td { border-top: none; }

form .field { margin-bottom: 14px; }
form .field label { display: block; font-weight: 500; margin-bottom: 4px; }
form .field input[type=text],
form .field input[type=email],
form .field input[type=password],
form .field input[type=number],
form .field input[type=url],
form .field input[type=datetime-local],
form .field textarea,
form .field select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font: inherit;
    background: var(--panel);
}
form .field textarea { min-height: 120px; resize: vertical; }
form .field .hint { color: var(--text-muted); font-size: 13px; margin-top: 4px; }
form .field .error { color: var(--danger); font-size: 13px; margin-top: 4px; }

.btn {
    display: inline-block;
    padding: 7px 14px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font: inherit;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--panel); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: #f3f4f6; }
.btn-danger { background: var(--panel); color: var(--danger); border-color: var(--border); }
.btn-danger:hover { background: #fef2f2; border-color: var(--danger); }

.search { display: flex; gap: 8px; align-items: center; }
.search input { padding: 7px 10px; border: 1px solid var(--border); border-radius: var(--radius); width: 280px; }

.pagination { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border); }

.flash {
    padding: 10px 14px;
    border-radius: var(--radius);
    margin-bottom: 14px;
    background: #ecfdf5;
    color: var(--success);
    border: 1px solid #a7f3d0;
}
.flash.error { background: #fef2f2; color: var(--danger); border-color: #fecaca; }

.muted { color: var(--text-muted); }
.right { text-align: right; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }
.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    background: #f3f4f6;
    color: var(--text-muted);
    font-size: 12px;
}
.tag.enabled { background: #ecfdf5; color: var(--success); }
.tag.disabled { background: #fef2f2; color: var(--danger); }

.login-card { max-width: 360px; margin: 80px auto; }
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 14px; }
.stat { padding: 14px 16px; }
.stat .num { font-size: 28px; font-weight: 600; }
.stat .label { color: var(--text-muted); font-size: 13px; }

.license-block { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; margin: 12px 0; }
.license-block textarea { flex: 1; min-width: 360px; max-width: 560px; padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--radius); resize: vertical; font-size: 13px; line-height: 1.5; white-space: pre; overflow: auto; }