:root {
    --bg: #f4f5f7;
    --card: #ffffff;
    --text: #1f2430;
    --muted: #6b7280;
    --border: #e2e5ea;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --danger: #dc2626;
    --ok-bg: #ecfdf3;
    --ok-text: #166534;
    --err-bg: #fef2f2;
    --err-text: #991b1b;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.topbar {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding: 16px 24px;
    background: #1f2430;
    color: #fff;
}
.topbar h1 { margin: 0; font-size: 18px; }
.topbar .muted { color: #a7adba; }

main { max-width: 1200px; margin: 0 auto; padding: 24px 16px; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}
.card h2 { margin: 0 0 16px; font-size: 16px; }

.muted { color: var(--muted); font-weight: normal; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; }
label small { font-weight: normal; color: var(--muted); }

input[type="number"], select {
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font: inherit;
    background: #fff;
}
input[type="file"] { font: inherit; font-weight: normal; }

code { font-family: ui-monospace, Consolas, monospace; font-size: 12px; }

.actions { display: flex; gap: 8px; }

.btn {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fff;
    font: inherit;
    cursor: pointer;
}
.btn:hover { background: #f3f4f6; }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { color: var(--danger); border-color: #f3c4c4; }
.btn-danger:hover { background: var(--err-bg); }
.btn-small { padding: 4px 10px; font-size: 13px; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }
.flash-ok { background: var(--ok-bg); color: var(--ok-text); }
.flash-error { background: var(--err-bg); color: var(--err-text); }

.progress { margin-bottom: 16px; }
.progress-bar { height: 10px; background: #e5e7eb; border-radius: 5px; overflow: hidden; }
.progress-fill { height: 100%; width: 0; background: var(--primary); transition: width .2s; }
.progress-text { margin-top: 6px; color: var(--muted); font-variant-numeric: tabular-nums; }
.progress.indeterminate .progress-fill { animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .4; } }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
tr.disabled td { opacity: .55; }
.nowrap { white-space: nowrap; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }
.row-actions form { margin: 0; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; }
.badge-on { background: var(--ok-bg); color: var(--ok-text); }
.badge-off { background: #f3f4f6; color: var(--muted); }

.inline-form { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }