/* Structural defaults. Colours, the Thara layout and component styling live in theme.css. */
:root {
  --bg: #0f1115;
  --field: #0f1218;
  --border: #2a2f3a;
  --text: #e8eaf0;
  --muted: #9aa3b2;
  --accent: #4f8cff;
  --accent-strong: #3a75e6;
  --danger: #ff5c6c;
  --ok: #36c58a;
  --warn: #f5b942;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
h1 { font-size: 20px; margin: 0 0 6px; }
p.lead { margin: 0 0 20px; color: var(--muted); }
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
[hidden] { display: none !important; }

/* ---- Segmented switches ---- */
.segmented {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px;
  background: var(--field); border: 1px solid var(--border); border-radius: 12px; margin-bottom: 18px;
}
.segmented button {
  margin: 0; padding: 9px 12px; border-radius: 9px; background: transparent; color: var(--muted);
  font-weight: 500; font-size: 14px; border: 0; transition: background .15s, color .15s;
}

/* ---- Fields ---- */
.field { position: relative; }
.factor-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
input[type="email"], input[type="tel"], input[type="password"], input[type="text"].pwtext, input.plainnum {
  width: 100%; background: var(--field); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 12px 14px; font-size: 16px; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
input.plainnum { font-variant-numeric: tabular-nums; }
input[type="password"], input[type="text"].pwtext { padding-right: 64px; }
.field.invalid input { border-color: var(--danger); }
.eye {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%); width: auto; margin: 0;
  padding: 6px 10px; border-radius: 7px; background: transparent; color: var(--muted); border: 0;
}

/* ---- Authenticator setup ---- */
.links { margin-top: 14px; text-align: center; }
.qr-wrap { display: grid; place-items: center; margin: 4px 0 14px; }
#qr { background: #fff; padding: 12px; border-radius: 12px; line-height: 0; }
#qr img, #qr canvas { display: block; }
details.manual { margin-bottom: 16px; font-size: 13px; color: var(--muted); }
details.manual summary { cursor: pointer; color: var(--accent); }
details.manual code { display: block; margin-top: 8px; padding: 10px 12px; background: var(--field); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 14px; letter-spacing: .12em; word-break: break-all; user-select: all; }
#form-disable { margin-top: 12px; }

/* ---- Passkey and camera ---- */
.passkey-box { display: flex; gap: 12px; align-items: flex-start; padding: 14px; background: var(--field); border: 1px solid var(--border); border-radius: 10px; }
.passkey-icon { color: var(--accent); flex: 0 0 auto; padding-top: 2px; }
.camera { position: relative; width: 100%; aspect-ratio: 4 / 3; background: #000; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); }
.camera video, .camera img { width: 100%; height: 100%; object-fit: cover; display: block; transform: scaleX(-1); }
.camera-guide { position: absolute; inset: 12% 27%; border: 2px dashed rgba(255,255,255,.55); border-radius: 50% / 45%; pointer-events: none; }
.camera.captured .camera-guide { border-style: solid; }
.camera-msg { position: absolute; left: 0; right: 0; bottom: 0; padding: 8px 12px; font-size: 12px; text-align: center; background: rgba(0,0,0,.55); color: #fff; }
.camera-msg:empty { display: none; }

/* ---- OTP cells ---- */
.otp { position: relative; --n: 6; }
.otp .cells { display: grid; grid-template-columns: repeat(var(--n), 1fr); gap: 8px; }
.otp .cell {
  height: 56px; border: 1px solid var(--border); border-radius: 10px; background: var(--field);
  display: grid; place-items: center; font-size: 24px; font-weight: 600;
  font-variant-numeric: tabular-nums; transition: border-color .12s, box-shadow .12s, background .12s;
}
.otp .cell.active { border-color: var(--accent); }
.otp .cell.active::after { content: ''; width: 2px; height: 26px; background: var(--accent); animation: blink 1s steps(2) infinite; }
.otp .cell.filled.active::after { display: none; }
.otp.expired .cell { opacity: .45; }
.otp.error .cell { border-color: var(--danger); animation: shake .3s; }
.otp input {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0; font-size: 16px; border: 0; padding: 0; margin: 0; caret-color: transparent; color: transparent; background: transparent;
}
.otp input.plain {
  position: static; opacity: 1; color: var(--text); background: var(--field); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 14px; font-size: 24px; letter-spacing: .4em; text-align: center; caret-color: auto;
}
.otp input.plain:focus { outline: none; border-color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }
@keyframes shake { 20% { transform: translateX(-4px); } 60% { transform: translateX(4px); } 100% { transform: none; } }

/* ---- Buttons & messages ---- */
button {
  width: 100%; margin-top: 14px; border: 0; border-radius: 10px; padding: 12px 16px;
  font: inherit; font-size: 15px; font-weight: 600; cursor: pointer; background: var(--accent); color: #fff;
  transition: background .15s, opacity .15s;
}
button:hover:not(:disabled) { background: var(--accent-strong); }
button:disabled { opacity: .55; cursor: not-allowed; }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); font-weight: 500; }
button.ghost:hover:not(:disabled) { color: var(--text); }
button.ghost.primary { color: var(--text); border-color: var(--accent); font-weight: 600; }
.row { display: flex; gap: 10px; }
.row button { margin-top: 10px; }
.msg { margin-top: 12px; font-size: 13px; }
.msg:empty { display: none; }
.msg.error { color: var(--danger); }
.msg.ok { color: var(--ok); }
.hint { color: var(--muted); font-size: 13px; margin-top: 8px; font-variant-numeric: tabular-nums; }
.hint.warn { color: var(--warn); }
.hint.expired { color: var(--danger); }
.banner { border-radius: 10px; padding: 10px 12px; font-size: 13px; margin-bottom: 16px; border: 1px solid; }
.banner code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 15px; letter-spacing: .15em; }
.success-icon { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; font-size: 28px; margin: 4px auto 16px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 14px; margin: 14px 0 6px; }
.kv dd { margin: 0; font-variant-numeric: tabular-nums; }
.link { background: none; border: 0; color: var(--accent); padding: 0; margin: 0; width: auto; font-size: 13px; font-weight: 500; cursor: pointer; }
.link:hover:not(:disabled) { background: none; text-decoration: underline; }