/* TOTP — tool-specific */
.page { padding: 40px 20px; max-width: 720px; margin: 0 auto; }
.page h1 { font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.page .subtitle { color: #888; margin-bottom: 20px; font-size: 14px; }

.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.opt-label { font-size: 11px; color: #aaa; text-transform: uppercase; letter-spacing: 1px; font-weight: 500; }
.form-row input {
  background: #0d0d0d; border: 1px solid #2a2a2a; color: #fff;
  padding: 10px 12px; border-radius: 6px; font-size: 16px;
  font-family: 'SF Mono', monospace; text-transform: uppercase;
  letter-spacing: 1px;
}
.hint { font-size: 12px; color: #666; margin: 4px 0 0; }

.opt-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: end; margin-bottom: 14px; }
.opt-group { display: flex; flex-direction: column; gap: 6px; }
.opt-group select {
  background: #0d0d0d; border: 1px solid #2a2a2a; color: #fff;
  padding: 8px 10px; border-radius: 6px; font-size: 13px;
}

.code-card { text-align: center; padding: 32px 20px; }
.code {
  font-family: 'SF Mono', monospace; font-size: 56px; font-weight: 700;
  color: #fff; letter-spacing: 6px; margin-bottom: 22px;
  user-select: all;
}
.countdown { margin-bottom: 14px; }
.countdown-bar { height: 6px; background: #0d0d0d; border: 1px solid #2a2a2a; border-radius: 3px; overflow: hidden; }
.countdown-fill { height: 100%; background: linear-gradient(90deg, #4caf50, #ffa726, #ff4444); width: 100%; transition: width 0.5s linear; }
.countdown-label { font-size: 12px; color: #888; margin-top: 6px; font-family: 'SF Mono', monospace; }

.action-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: center; }
.status-msg { font-size: 13px; margin-left: 8px; }
.status-msg.ok { color: #4caf50; }
.status-msg.error { color: #ff6666; }

@media (max-width: 600px) {
  .page { padding: 24px 12px; }
  .page h1 { font-size: 22px; }
  .code { font-size: 42px; letter-spacing: 4px; }
}