/* ---------- theme: blue + orange + red (no white) ---------- */
:root {
  --bg: #0b1d3a;
  --bg-soft: #112a52;
  --surface: #16335f;
  --surface-2: #1d3d70;
  --border: #234a86;
  --border-strong: #2e5ba0;
  --text: #f4f7fc;
  --text-soft: #c4d2ec;
  --text-mute: #8aa1c8;

  --blue: #3b82f6;
  --blue-strong: #2563eb;
  --blue-soft: #1c3a72;

  --orange: #f97316;
  --orange-strong: #ea580c;
  --orange-soft: #4a2410;

  --red: #ef4444;
  --red-strong: #dc2626;
  --red-soft: #4a1d1d;

  --green: #22c55e;
  --green-soft: #163b2a;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
  --shadow: 0 4px 14px rgba(0,0,0,0.3), 0 1px 3px rgba(0,0,0,0.2);
  --shadow-lg: 0 12px 32px -10px rgba(249,115,22,0.45);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
  background:
    radial-gradient(900px 500px at 90% -10%, rgba(249,115,22,0.30), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(239,68,68,0.18), transparent 60%),
    linear-gradient(180deg, #0b1d3a 0%, #0e2447 100%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  background: var(--bg-soft); padding: 2px 7px; border-radius: 5px;
  font-size: 13px; color: var(--orange-strong);
}
hr { border: 0; border-top: 1px solid var(--border); margin: 10px 0; }

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px;
  background: rgba(11,29,58,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand {
  color: var(--text); font-weight: 700; font-size: 16px;
  display: inline-flex; align-items: center; gap: 9px;
}
.brand::before {
  content: ""; display: inline-block; width: 12px; height: 12px; border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--red));
  box-shadow: 0 0 14px rgba(249,115,22,0.55);
}
.nav { display: flex; align-items: center; gap: 16px; font-size: 14px; }
.nav .btnish {
  background: var(--blue);
  color: #fff; padding: 8px 14px; border-radius: 8px; font-weight: 600;
}
.nav .btnish:hover { text-decoration: none; background: var(--blue-strong); }
.inline { display: inline; margin: 0; }
.linkish {
  background: transparent; border: 0; padding: 0; color: var(--blue);
  cursor: pointer; font: inherit;
}
.linkish:hover { text-decoration: underline; }

/* ---------- layout ---------- */
.wrap { max-width: 980px; margin: 28px auto; padding: 0 22px; }

/* ---------- cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}
.card.narrow { max-width: 460px; margin: 48px auto; }

h1 { margin: 0 0 10px; font-size: 26px; letter-spacing: -0.01em; color: var(--text); }
h2 {
  margin: 0 0 14px; font-size: 13px; color: var(--text-soft);
  text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700;
}
h3 { margin: 0 0 8px; font-size: 16px; color: var(--text); }
.dim { color: var(--text-soft); }
.mute { color: var(--text-mute); }
.small { font-size: 13px; }
.ok { color: var(--green); font-weight: 600; }
.err { color: var(--red); }

/* status pill */
.pill {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  vertical-align: middle; margin-left: 10px;
}
.pill.live { background: var(--green-soft); color: var(--green); border: 1px solid rgba(22,163,74,0.3); }
.pill.draft { background: var(--orange-soft); color: var(--orange-strong); border: 1px solid rgba(249,115,22,0.35); }

/* ---------- forms ---------- */
input, button, textarea, select {
  font: inherit;
  padding: 10px 13px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  color: var(--text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input::placeholder, textarea::placeholder { color: var(--text-mute); }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.25);
}

button {
  background: var(--blue);
  border-color: var(--blue);
  color: white; cursor: pointer;
  padding: 10px 18px; font-weight: 600;
  transition: background 0.15s ease, transform 0.05s ease;
}
button:hover { background: var(--blue-strong); border-color: var(--blue-strong); }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.6; cursor: not-allowed; }
button.orange { background: var(--orange); border-color: var(--orange); }
button.orange:hover { background: var(--orange-strong); border-color: var(--orange-strong); }
button.ghost {
  background: transparent; color: var(--text); border-color: var(--border-strong);
}
button.ghost:hover { background: var(--surface-2); border-color: var(--orange); color: var(--orange); }
button.red { background: var(--red); border-color: var(--red); }
button.red:hover { background: var(--red-strong); border-color: var(--red-strong); }
button.link, button.linkish {
  background: transparent; color: var(--blue); padding: 0; font-weight: 400;
  border: 0;
}
button.link:hover { background: transparent; text-decoration: underline; }

.form { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
.form label { display: grid; gap: 5px; font-size: 13px; color: var(--text-soft); font-weight: 500; }
.form label.full { grid-column: 1 / -1; }
.form button[type="submit"] { grid-column: 1 / -1; justify-self: start; }
.stack { display: grid; gap: 14px; margin-top: 16px; }
.stack label { display: grid; gap: 5px; font-size: 13px; color: var(--text-soft); font-weight: 500; }

.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-start; }
.row input, .row textarea { flex: 1; min-width: 220px; }

textarea { font-family: inherit; resize: vertical; min-height: 90px; }

.error {
  background: var(--red-soft);
  border: 1px solid rgba(220,38,38,0.25);
  color: var(--red);
  padding: 10px 13px; border-radius: 8px;
  font-size: 14px; margin-top: 12px;
}

/* ---------- tabs ---------- */
.tabs {
  display: flex; gap: 4px; margin: 0 0 14px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}
.tabs button {
  background: transparent; color: var(--text-soft); border: 0;
  padding: 9px 14px; font-weight: 600; font-size: 14px;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  cursor: pointer;
}
.tabs button:hover { background: transparent; color: var(--text); }
.tabs button.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- tables ---------- */
.grid { width: 100%; border-collapse: collapse; margin-top: 6px; }
.grid th, .grid td {
  padding: 10px 12px; border-bottom: 1px solid var(--border);
  text-align: left; font-size: 14px;
}
.grid th {
  color: var(--text-soft); font-weight: 600; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.04em;
  background: var(--bg-soft);
}
.grid tr:hover td { background: var(--blue-soft); }

/* ---------- file list ---------- */
.files { list-style: none; padding: 0; margin: 14px 0 0; }
.files li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; margin-bottom: 8px;
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 9px;
  font-size: 14px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.files li:hover { border-color: var(--orange); box-shadow: var(--shadow-sm); }
.files li::before { content: "📄"; margin-right: 10px; }
.files li.url::before { content: "🌐"; }
.files li.text::before { content: "📝"; }
.files li > span { flex: 1; word-break: break-all; }

.result { margin-top: 12px; font-size: 14px; min-height: 1em; }
.result.ok { color: var(--green); }
.result.err { color: var(--red); }
.result.dim { color: var(--text-soft); }

/* ---------- landing page ---------- */
.hero { text-align: center; padding: 70px 20px 50px; }
.hero h1 {
  font-size: 46px; margin-bottom: 18px; letter-spacing: -0.02em;
  font-weight: 800; color: var(--text);
}
.hero h1 .accent {
  background: linear-gradient(135deg, var(--orange), var(--red));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero .lead {
  font-size: 18px; color: var(--text-soft); max-width: 640px;
  margin: 0 auto 32px; line-height: 1.6;
}
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 24px; border-radius: 9px;
  text-decoration: none; font-weight: 600; border: 1px solid transparent;
  font-size: 15px;
  transition: transform 0.05s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--blue); color: #fff; box-shadow: var(--shadow-lg); }
.btn.primary:hover { background: var(--blue-strong); }
.btn.orange { background: var(--orange); color: #fff; box-shadow: 0 12px 30px -10px rgba(249,115,22,0.4); }
.btn.orange:hover { background: var(--orange-strong); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn.ghost:hover { border-color: var(--orange); color: var(--orange); }
.btn.red { background: var(--red); color: #fff; box-shadow: 0 12px 30px -10px rgba(239,68,68,0.5); }
.btn.red:hover { background: var(--red-strong); }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px; margin-top: 18px;
}
.features .card h3 { display: flex; align-items: center; gap: 8px; }
.features .card p { margin: 0; color: var(--text-soft); font-size: 14px; }

/* ---------- setup progress ---------- */
.steps {
  display: flex; gap: 10px; margin: 4px 0 18px;
  flex-wrap: wrap;
}
.steps .step {
  flex: 1; min-width: 160px;
  padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg-soft);
  font-size: 13px; color: var(--text-soft); font-weight: 500;
  display: flex; align-items: center; gap: 10px;
}
.steps .step .num {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--bg); color: var(--text-mute);
  border: 1px solid var(--border-strong);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 12px;
}
.steps .step.done {
  border-color: var(--green); background: var(--green-soft); color: var(--green);
}
.steps .step.done .num { background: var(--green); color: #fff; border-color: var(--green); }
.steps .step.done .num::before { content: "✓"; }
.steps .step.done .num > span { display: none; }

/* ---------- test chat box ---------- */
.test-box {
  background: var(--blue-soft);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: 10px;
  padding: 14px 16px;
  margin-top: 14px;
  font-size: 14px;
  white-space: pre-wrap;
  color: var(--text);
  max-height: 320px;
  overflow-y: auto;
}
.test-box.err { background: var(--red-soft); border-color: rgba(220,38,38,0.25); color: var(--red); }
.test-box.empty { display: none; }

/* ---------- responsive ---------- */
@media (max-width: 640px) {
  /* layout */
  .wrap { padding: 0 12px; margin: 16px auto; }
  .card { padding: 16px 14px; margin-bottom: 14px; border-radius: 12px; }

  /* top bar — stack the user email + logout under the brand on tiny screens */
  .topbar { padding: 10px 12px; flex-wrap: wrap; gap: 8px; }
  .topbar .brand { font-size: 14px; }
  .topbar .nav { gap: 10px; font-size: 13px; }
  .topbar .nav .dim { display: none; }   /* hide long email to save space */

  /* typography */
  .hero { padding: 40px 14px 30px; }
  .hero h1 { font-size: 30px; }
  .hero .lead { font-size: 15px; }
  h1 { font-size: 22px; }
  h2 { font-size: 12px; }

  /* forms */
  .form { grid-template-columns: 1fr; gap: 10px; }
  .row { flex-direction: column; align-items: stretch; }
  .row input, .row textarea, .row select { width: 100%; }
  .row button { width: 100%; }
  input, button, textarea, select { font-size: 16px; }  /* 16px stops iOS auto-zoom */

  /* setup progress */
  .steps .step { min-width: 0; flex-basis: calc(50% - 5px); font-size: 12px; padding: 10px 12px; }

  /* tabs (knowledge base) */
  .tabs { flex-wrap: wrap; }
  .tabs button { padding: 8px 10px; font-size: 13px; }

  /* tables — let them scroll horizontally instead of breaking layout */
  .grid { display: block; overflow-x: auto; white-space: nowrap; }

  /* forwarding selector */
  .path-picker { grid-template-columns: 1fr; }
  .path-btn { padding: 12px; font-size: 13px; }
  .forward-options { grid-template-columns: 1fr; gap: 12px; }
  .fwd-card { padding: 14px; }
  .fwd-card .btn { width: 100%; text-align: center; margin-right: 0; }
  .fwd-qr { width: 160px; height: 160px; }
  #country-select { font-size: 16px; padding: 12px; }

  /* "Tap to forward" — make it big & touch-friendly */
  #dial-on-btn { padding: 16px 20px; font-size: 16px; }

  /* test KB box */
  .test-box { font-size: 13px; padding: 12px; max-height: 240px; }

  /* warnings */
  .warn-block { padding: 12px 14px; }
  .warn-list li { font-size: 12.5px; }

  /* code chips wrap nicely */
  code { word-break: break-all; }
}

@media (max-width: 380px) {
  .steps .step { flex-basis: 100%; }
}