/* Extends styles.css's --navy/--gold/--bg tokens for the Log In UX flow
   (Design/architecture.md §1a-i). Kept on the same card/typography language
   as the coming-soon page rather than introducing a second visual identity. */

.auth-card { text-align: left; }
.auth-card .logo { margin: 0 auto 20px; display: block; }
.auth-card h1 { font-size: 1.3rem; margin: 0 0 6px; }
.auth-card .lede { margin: 0 0 20px; }
.auth-card .lede.small { font-size: 0.82rem; margin-bottom: 12px; }

.mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  font-weight: 600;
  color: var(--navy);
}
@media (prefers-color-scheme: dark) {
  .mono { color: var(--gold-light); }
}

.link-btn {
  background: none;
  border: none;
  padding: 0;
  width: auto;
  color: var(--gold);
  font-weight: 600;
  font-size: inherit;
  cursor: pointer;
  text-decoration: underline;
}
.link-btn:disabled { color: var(--text-muted); text-decoration: none; cursor: default; opacity: 1; }
.link-btn.small { font-size: 0.78rem; }

.primary-btn, .ghost-btn {
  width: 100%;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 6px;
}
.primary-btn {
  border: none;
  background: linear-gradient(135deg, var(--navy-light), var(--navy));
  color: #fff;
}
.primary-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.ghost-btn {
  border: 1px solid #d7dae5;
  background: transparent;
  color: var(--text-muted);
  margin-top: 18px;
}
@media (prefers-color-scheme: dark) {
  .ghost-btn { border-color: #262f4f; }
}

.form-status { min-height: 1.2em; margin: 10px 0 0; font-size: 0.88rem; }
.form-status.error { color: var(--error); }
.form-status.success { color: #1a7f37; }
.form-status.warn { color: var(--gold); }

.context-banner {
  background: rgba(200, 150, 46, 0.1);
  border: 1px solid rgba(200, 150, 46, 0.35);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.82rem;
  color: var(--navy);
  margin-bottom: 18px;
  line-height: 1.4;
}
@media (prefers-color-scheme: dark) {
  .context-banner { color: var(--gold-light); }
}
.context-banner strong { display: block; font-size: 0.86rem; margin-bottom: 2px; }

/* OTP entry */
.otp-row { display: flex; gap: 8px; margin-bottom: 14px; }
.otp-box {
  flex: 1;
  aspect-ratio: 1;
  text-align: center;
  font-size: 1.3rem;
  font-weight: 700;
  border: 1.5px solid #d7dae5;
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, monospace;
  background: transparent;
  color: var(--text);
}
@media (prefers-color-scheme: dark) { .otp-box { border-color: #262f4f; } }
.otp-box:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(200, 150, 46, 0.2); }
.otp-box.filled { border-color: var(--navy); }
@media (prefers-color-scheme: dark) { .otp-box.filled { border-color: var(--gold); } }
.otp-box.wrong { border-color: var(--error); }

.otp-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.timer-chip {
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold);
  background: rgba(200, 150, 46, 0.12);
  border-radius: 999px;
  padding: 4px 10px;
  font-variant-numeric: tabular-nums;
}
.timer-chip.expired { color: var(--error); background: rgba(179, 38, 30, 0.1); }

.dev-hint {
  margin: 10px 0 0;
  font-size: 0.78rem;
  font-family: ui-monospace, SFMono-Regular, monospace;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px dashed #d7dae5;
  border-radius: 6px;
  padding: 6px 10px;
}
@media (prefers-color-scheme: dark) { .dev-hint { border-color: #262f4f; } }

/* Institute list (picker screen + join panel) */
.inst-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.inst-row {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1.5px solid #d7dae5;
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  background: transparent;
  text-align: left;
  width: 100%;
  color: var(--text);
  font: inherit;
}
@media (prefers-color-scheme: dark) { .inst-row { border-color: #262f4f; } }
.inst-row.picked { border-color: var(--gold); background: rgba(200, 150, 46, 0.08); }
.inst-row:disabled { cursor: default; opacity: 0.55; }
.inst-avatar {
  width: 30px; height: 30px; border-radius: 7px; flex: none;
  background: var(--navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700;
}
.inst-text { display: flex; flex-direction: column; gap: 1px; }
.inst-name { font-size: 0.9rem; font-weight: 600; }
.inst-sub { font-size: 0.76rem; color: var(--text-muted); }
.inst-row .inst-action {
  margin-left: auto;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--gold);
}

/* Home screen */
.home-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(10, 27, 77, 0.06);
  border-radius: 999px;
  padding: 6px 12px 6px 8px;
  margin-bottom: 14px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--navy);
}
@media (prefers-color-scheme: dark) {
  .home-badge { background: rgba(241, 203, 107, 0.12); color: var(--gold-light); }
}
.home-badge .dot { width: 18px; height: 18px; border-radius: 5px; background: var(--gold); flex: none; }

.referral-note {
  font-size: 0.84rem;
  background: rgba(26, 127, 55, 0.08);
  border: 1px solid rgba(26, 127, 55, 0.3);
  color: #1a7f37;
  border-radius: 8px;
  padding: 8px 10px;
  margin: -4px 0 18px;
}

.join-panel {
  border-top: 1px solid #e4e6ee;
  margin-top: 22px;
  padding-top: 18px;
}
@media (prefers-color-scheme: dark) { .join-panel { border-color: #262f4f; } }
.join-panel h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gold);
  margin: 0 0 4px;
}

/* Dev panel — sample join links, purely to demo the QR/link mechanism without
   a real institute-onboarding flow. */
.dev-panel {
  margin-top: 16px;
  border-top: 1px dashed #d7dae5;
  padding-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
@media (prefers-color-scheme: dark) { .dev-panel { border-color: #262f4f; } }
.dev-panel a {
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 0.76rem;
  color: var(--navy);
  text-decoration: none;
  word-break: break-all;
}
@media (prefers-color-scheme: dark) { .dev-panel a { color: var(--gold-light); } }
.dev-panel a:hover { text-decoration: underline; }

footer { display: flex; justify-content: center; }