:root {
  color-scheme: light;
  --surface-0: #f4f4f2;
  --surface-1: #fcfcfb;
  --surface-2: #f0f0ed;
  --border:    #e2e1dc;
  --border-strong: #cfcec8;
  --text-primary:   #16150f;
  --text-secondary: #52514b;
  --text-muted:     #86857d;
  --accent:  #2a78d6;
  --accent-ink: #ffffff;
  --good:    #008300;
  --warn:    #eda100;
  --bad:     #e34948;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100;
  --s5: #e87ba4; --s6: #4a3aa7; --s7: #008300; --s8: #86857d;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 8px 24px rgba(0,0,0,.06);
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --surface-0: #131312;
    --surface-1: #1c1c1a;
    --surface-2: #232320;
    --border:    #33332e;
    --border-strong: #45443d;
    --text-primary:   #f6f5ee;
    --text-secondary: #c3c2b7;
    --text-muted:     #8f8e84;
    --accent:  #3987e5;
    --good:    #3aa53a; --warn: #e0b330; --bad: #e66767;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
    --s5: #d55181; --s6: #9085e9; --s7: #2aa02a; --s8: #8f8e84;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--surface-0);
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 .4em; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: .95rem; }
small { color: var(--text-muted); }

.app-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 16px;
  padding: 12px 16px;
  background: color-mix(in srgb, var(--surface-1) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.app-header .brand { font-weight: 700; letter-spacing: -.02em; display: flex; align-items: center; gap: 8px; }
.app-header .brand .logo { width: 26px; height: 26px; border-radius: 8px; background: linear-gradient(135deg, var(--s1), var(--s6)); display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 15px; }
.app-header .spacer { flex: 1; }
.app-header .who { color: var(--text-secondary); font-size: .85rem; max-width: 40vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 560px) { .app-header .who { display: none; } }

.wrap { max-width: 1080px; margin: 0 auto; padding: 20px 16px 64px; }

.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.card + .card, .stack > * + * { margin-top: 16px; }
.grid { display: grid; gap: 16px; }
@media (min-width: 720px) { .grid.cols-2 { grid-template-columns: 1fr 1fr; } .grid.cols-3 { grid-template-columns: repeat(3,1fr); } }

.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.muted { color: var(--text-muted); }
.sep { height: 1px; background: var(--border); margin: 14px -18px; }

button, .btn {
  font: inherit; font-weight: 550;
  border: 1px solid var(--border-strong);
  background: var(--surface-1);
  color: var(--text-primary);
  padding: 8px 14px; border-radius: 10px; cursor: pointer;
  transition: background .12s, border-color .12s, transform .04s;
}
button:hover, .btn:hover { background: var(--surface-2); }
button:active { transform: translateY(1px); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.primary:hover { filter: brightness(1.06); background: var(--accent); }
button.danger { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 45%, var(--border-strong)); }
button.ghost { border-color: transparent; background: transparent; }
button:disabled { opacity: .5; cursor: not-allowed; }
button.sm { padding: 5px 10px; font-size: .85rem; border-radius: 8px; }

input, select, textarea {
  font: inherit; color: var(--text-primary);
  background: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: 10px; padding: 8px 11px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 50%, transparent); outline-offset: 1px; border-color: var(--accent); }
label.field { display: block; }
label.field > span { display: block; font-size: .82rem; color: var(--text-secondary); margin-bottom: 5px; }
textarea { min-height: 84px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; }
.switch { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; user-select: none; }
.switch input { width: auto; }

.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: .78rem; font-weight: 600; border: 1px solid var(--border); background: var(--surface-2); }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted); }
.pill.online .dot { background: var(--good); box-shadow: 0 0 0 3px color-mix(in srgb, var(--good) 25%, transparent); }
.pill.offline .dot { background: var(--text-muted); }
.pill.allowed { color: var(--good); border-color: color-mix(in srgb,var(--good) 35%,var(--border)); }
.pill.blocked { color: var(--bad);  border-color: color-mix(in srgb,var(--bad) 35%,var(--border)); }

.device-card { text-align: left; width: 100%; display: block; }
.device-card:hover { border-color: var(--border-strong); }
.hero { font-size: 2.6rem; font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.stat { display: flex; flex-direction: column; gap: 3px; }
.stat .label { font-size: .78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 1.5rem; font-weight: 650; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; overflow-x: auto; }
.tabs button { border: none; background: none; border-radius: 0; border-bottom: 2px solid transparent; color: var(--text-secondary); padding: 9px 12px; white-space: nowrap; }
.tabs button.active { color: var(--text-primary); border-bottom-color: var(--accent); }

table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { font-weight: 600; color: var(--text-secondary); font-size: .8rem; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.bar-track { height: 8px; background: var(--surface-2); border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 6px; background: var(--s1); }

.chart { width: 100%; }
.chart .grid-line { stroke: var(--border); stroke-width: 1; }
.chart { display: block; }
.chart text { fill: var(--text-muted); font-size: 13px; }
.legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; font-size: .82rem; color: var(--text-secondary); }
.legend .key { display: inline-flex; align-items: center; gap: 6px; }
.legend .swatch { width: 11px; height: 11px; border-radius: 3px; }

.event { display: grid; grid-template-columns: 62px 1fr; gap: 10px; padding: 6px 0; font-size: .88rem; border-bottom: 1px solid var(--border); }
.event .t { color: var(--text-muted); font-variant-numeric: tabular-nums; }
.event .badge { font-size: .72rem; font-weight: 600; padding: 1px 7px; border-radius: 6px; background: var(--surface-2); margin-right: 6px; }
.event.kw .badge, .event.app .badge { background: color-mix(in srgb, var(--bad) 18%, var(--surface-2)); color: var(--bad); }
.event.enf .badge { background: color-mix(in srgb, var(--warn) 22%, var(--surface-2)); color: color-mix(in srgb, var(--warn) 75%, var(--text-primary)); }

.day-editor { display: grid; grid-template-columns: 92px 1fr; gap: 10px 14px; align-items: start; }
.window-row { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; }
.window-row input[type=time] { width: auto; }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text-primary); color: var(--surface-1); padding: 11px 18px; border-radius: 12px; box-shadow: var(--shadow); z-index: 50; font-weight: 500; opacity: 0; transition: opacity .2s, transform .2s; pointer-events: none; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }
.toast.bad { background: var(--bad); color: #fff; }

.modal-back { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: grid; place-items: center; z-index: 40; padding: 16px; }
.modal { background: var(--surface-1); border-radius: 16px; padding: 22px; max-width: 460px; width: 100%; box-shadow: var(--shadow); }
.code-box { font-family: ui-monospace, monospace; font-size: 2rem; font-weight: 700; letter-spacing: .12em; text-align: center; padding: 16px; background: var(--surface-2); border-radius: 12px; border: 1px dashed var(--border-strong); }

.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login .card { max-width: 400px; text-align: center; }
.gbtn { display: inline-flex; align-items: center; gap: 10px; justify-content: center; width: 100%; padding: 11px; font-weight: 600; }
.hidden { display: none !important; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 3px 8px 3px 10px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; font-size: .82rem; }
.chip button { padding: 0 2px; border: none; background: none; color: var(--text-muted); font-size: 1rem; line-height: 1; }
.spin { width: 18px; height: 18px; border: 2px solid var(--border-strong); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }