:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #dfe3e8;
  --text: #1c2024;
  --muted: #6b7280;
  --accent: #128c7e;      /* WhatsApp green, used sparingly */
  --accent-weak: #e7f4f1;
  --danger: #c0392b;
  --danger-weak: #fdecea;
  --warn: #b7791f;
  --warn-weak: #fdf3e2;
  --ok: #1e8e3e;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .04);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --surface: #1c2024;
    --border: #2c3238;
    --text: #e6e8ea;
    --muted: #9aa3ad;
    --accent: #25d366;
    --accent-weak: #14312a;
    --danger: #ff6b5e;
    --danger-weak: #3a1f1c;
    --warn: #e0b050;
    --warn-weak: #362c17;
    --ok: #4ade80;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

/* The HTML [hidden] attribute is only a UA-stylesheet "display: none", so any
   author rule that sets display (e.g. .gate below) would silently override it
   and leave a hidden panel covering the page. Make [hidden] win. */
[hidden] { display: none !important; }

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

h1, h2, h3 { margin: 0 0 .5rem; line-height: 1.25; }
h2 { font-size: 1rem; letter-spacing: .01em; }
h3 { font-size: .9rem; }
code { font-family: var(--mono); font-size: .85em; background: var(--bg); padding: .1em .35em; border-radius: 4px; }
.muted { color: var(--muted); }
.small { font-size: .8rem; }
.error { color: var(--danger); }

/* ------------------------------------------------------------------ gate */
.gate { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.gate-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem; max-width: 26rem; width: 100%; box-shadow: var(--shadow);
}
.gate-card h1 { font-size: 1.25rem; }

/* --------------------------------------------------------------- topbar */
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: .75rem 1.25rem; background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: .6rem; }
.topbar-actions { display: flex; gap: .5rem; }

.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.ok { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 20%, transparent); }
.dot.warn { background: var(--warn); box-shadow: 0 0 0 3px color-mix(in srgb, var(--warn) 20%, transparent); }
.dot.bad { background: var(--danger); box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 20%, transparent); }

.pill {
  font-size: .78rem; padding: .12rem .55rem; border-radius: 999px;
  background: var(--bg); border: 1px solid var(--border); color: var(--muted);
}

.banner { padding: .7rem 1.25rem; font-size: .88rem; border-bottom: 1px solid var(--border); }
.banner.warn { background: var(--warn-weak); color: var(--warn); }
.banner.bad { background: var(--danger-weak); color: var(--danger); }

/* ----------------------------------------------------------------- grid */
.grid {
  display: grid; gap: 1rem; padding: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  max-width: 84rem; margin: 0 auto;
}
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.1rem; box-shadow: var(--shadow); min-width: 0;
}
.card.wide { grid-column: 1 / -1; }

/* ------------------------------------------------------------ key/value */
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .3rem .9rem; margin: .5rem 0 0; font-size: .88rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }

/* ------------------------------------------------------------------- qr */
.qr-box { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); text-align: center; }
.qr-box img { width: 260px; max-width: 100%; image-rendering: pixelated; background: #fff; padding: 8px; border-radius: 8px; }

/* ---------------------------------------------------------------- quota */
.quota { margin-bottom: .8rem; }
.quota-figure { font-size: 1.8rem; font-weight: 600; display: flex; align-items: baseline; gap: .4rem; }
.quota-figure .muted { font-size: 1rem; font-weight: 400; }
.meter { height: 7px; background: var(--bg); border: 1px solid var(--border); border-radius: 999px; overflow: hidden; margin: .4rem 0; }
.meter-fill { height: 100%; width: 0; background: var(--accent); transition: width .3s ease; }
.meter-fill.warn { background: var(--warn); }
.meter-fill.bad { background: var(--danger); }

/* ---------------------------------------------------------------- forms */
label { display: block; font-size: .82rem; color: var(--muted); margin: .7rem 0 .25rem; }
input[type=tel], input[type=password], input[type=text], textarea, select {
  width: 100%; padding: .5rem .65rem; font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
}
textarea { resize: vertical; font-family: inherit; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
select { width: auto; }

.btn {
  font: inherit; padding: .45rem .9rem; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { background: var(--danger-weak); border-color: var(--danger); color: var(--danger); }
.btn.ghost { background: transparent; }
.btn.small { padding: .3rem .6rem; font-size: .82rem; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.gate-card button { width: 100%; margin-top: 1rem; background: var(--accent); border: 1px solid var(--accent); color: #fff; padding: .55rem; border-radius: 8px; font: inherit; cursor: pointer; }

.row-between { display: flex; justify-content: space-between; align-items: center; gap: .75rem; flex-wrap: wrap; margin-top: .8rem; }
.filters { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.checkbox { display: flex; align-items: center; gap: .3rem; margin: 0; font-size: .8rem; }
.checkbox input { width: auto; }

.result { margin: .8rem 0 0; padding: .55rem .7rem; border-radius: 8px; font-size: .85rem; }
.result.ok { background: var(--accent-weak); color: var(--accent); }
.result.bad { background: var(--danger-weak); color: var(--danger); }
.result.warn { background: var(--warn-weak); color: var(--warn); }
#licence-card .result { margin-top: 0; }
#activate-form button { margin-top: .8rem; }
dd.mono { font-family: var(--mono); }

/* --------------------------------------------------------------- tables */
.table-scroll { overflow-x: auto; max-height: 26rem; overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; }
.table-scroll.short { max-height: 16rem; }
table { width: 100%; border-collapse: collapse; font-size: .84rem; }
th, td { text-align: left; padding: .45rem .6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { position: sticky; top: 0; background: var(--surface); color: var(--muted); font-weight: 600; white-space: nowrap; z-index: 1; }
tbody tr:last-child td { border-bottom: none; }
td.num, td.mono { font-family: var(--mono); font-size: .8rem; white-space: nowrap; }
td.body { max-width: 24rem; overflow-wrap: anywhere; }

.tag { font-size: .72rem; padding: .1rem .45rem; border-radius: 999px; border: 1px solid var(--border); white-space: nowrap; }
.tag.queued { color: var(--muted); }
.tag.sending { color: var(--warn); border-color: var(--warn); }
.tag.sent { color: var(--accent); border-color: var(--accent); }
.tag.delivered, .tag.read { color: var(--ok); border-color: var(--ok); }
.tag.failed, .tag.cancelled { color: var(--danger); border-color: var(--danger); }
.tag.unconfirmed { color: var(--warn); border-color: var(--warn); margin-left: .25rem; }

.foot {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: 1rem 1.25rem 2rem; max-width: 84rem; margin: 0 auto; font-size: .78rem; color: var(--muted);
}