:root {
    --bg: #f4f6fb;
    --card: #ffffff;
    --text: #1e293b;
    --muted: #64748b;
    --border: #e2e8f0;
    --primary: #3e49e6;
    --danger: #ef4444;
    --ok: #16a34a;
    --warn: #d97706;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-size: 14px; color: var(--text); background: var(--bg); }
[hidden] { display: none !important; }
h1 { margin: 0 0 6px; font-size: 1.4rem; }
h2 { margin: 0 0 4px; font-size: 1.2rem; }
h3 { margin: 0 0 10px; font-size: 1rem; }
.muted { color: var(--muted); font-size: 0.85rem; margin: 2px 0 10px; }
.error { color: var(--danger); font-size: 0.85rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.btn { border: none; border-radius: 8px; padding: 8px 14px; font-weight: 600; font-size: 0.85rem; cursor: pointer; background: #e2e8f0; color: var(--text); }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn.primary { background: var(--primary); color: #fff; }
.btn.danger { background: var(--danger); color: #fff; }
.btn.ghost { background: transparent; border: 1px solid var(--border); }
.btn.small { padding: 4px 10px; font-size: 0.78rem; }
.btn.big { padding: 12px 18px; font-size: 0.95rem; margin-top: 12px; }
input[type=text], input[type=password], input[type=number], input[type=datetime-local], select, textarea {
    font: inherit; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: #fff; color: var(--text); max-width: 100%;
}
input[type=number] { width: 80px; }
textarea { width: 100%; resize: vertical; }
.form label { display: block; font-weight: 600; margin: 12px 0 4px; font-size: 0.85rem; }
.form input[type=text], .form select { width: 100%; }
.form label.check, .radio-row label { font-weight: 400; display: flex; gap: 6px; align-items: center; }
.radio-row { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-top: 6px; }
.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }

.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-card { width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 8px; }

.topbar { position: sticky; top: 0; z-index: 5; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; background: #fff; border-bottom: 1px solid var(--border); padding: 10px 16px; }
#nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
#nav button { border: none; background: transparent; padding: 8px 12px; border-radius: 8px; font: inherit; font-weight: 600; color: var(--muted); cursor: pointer; }
#nav button.active { background: #eef0ff; color: var(--primary); }
main { max-width: 1100px; margin: 0 auto; padding: 18px 16px 60px; }
.section-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: flex-start; margin-bottom: 12px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.device { display: flex; flex-direction: column; gap: 6px; }
.device-head { display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.badge { font-size: 0.72rem; font-weight: 700; padding: 3px 8px; border-radius: 999px; white-space: nowrap; }
.badge.on { background: #dcfce7; color: var(--ok); }
.badge.off { background: #f1f5f9; color: var(--muted); }
.badge.wait { background: #fef3c7; color: var(--warn); }
.kv { font-size: 0.82rem; color: var(--muted); }
.kv strong { color: var(--text); }
.progress { height: 6px; background: #eef2f7; border-radius: 999px; overflow: hidden; }
.progress > div { height: 100%; background: var(--primary); }
.code { font-family: ui-monospace, Menlo, monospace; font-size: 1.3rem; letter-spacing: 3px; background: #eef0ff; color: var(--primary); padding: 6px 10px; border-radius: 8px; display: inline-block; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }

.checklist { display: flex; flex-direction: column; gap: 4px; border: 1px solid var(--border); border-radius: 8px; padding: 8px; max-height: 200px; overflow-y: auto; }
.checklist label { font-weight: 400 !important; margin: 0 !important; display: flex !important; gap: 8px; align-items: center; }
.list { display: flex; flex-direction: column; gap: 6px; margin: 12px 0; max-height: 480px; overflow-y: auto; }
.item { display: flex; gap: 10px; align-items: flex-start; border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; cursor: pointer; }
.item input { margin-top: 3px; }
.item .title { font-weight: 600; }
.item .sub { font-size: 0.78rem; color: var(--muted); white-space: pre-wrap; overflow-wrap: anywhere; }
.preview { max-width: 220px; max-height: 220px; border-radius: 8px; margin-top: 8px; border: 1px solid var(--border); }

.table-wrap { overflow-x: auto; padding: 0; }
table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: #f8fafc; font-size: 0.75rem; color: var(--muted); text-transform: uppercase; }
.state { font-weight: 700; white-space: nowrap; }
.state.done { color: var(--ok); }
.state.failed, .state.canceled { color: var(--danger); }
.state.running, .state.received, .state.delivered { color: var(--primary); }
.state.pending, .state.stopped { color: var(--warn); }

.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: #1e293b; color: #fff; padding: 10px 16px; border-radius: 8px; font-size: 0.88rem; max-width: calc(100% - 32px); z-index: 20; }
@media (max-width: 600px) {
    .topbar { padding: 8px; }
    #nav button { padding: 6px 8px; font-size: 0.8rem; }
}