/* ═══════════════════════════════════════════
   HQ Login Page Styles
   Dark centered card, multi-step flow.
   Depends on tokens.css and base.css.
   ═══════════════════════════════════════════ */

.login-page {
  min-height: 100vh;
  /* Dynamic viewport height: works around iOS Safari treating 100vh as
     the maximum including collapsible address bar, which used to clip
     the login card behind the bar on first paint. */
  min-height: 100dvh;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  /* Honor iOS safe areas in case the device is used in landscape. */
  padding-left: max(var(--space-5), env(safe-area-inset-left));
  padding-right: max(var(--space-5), env(safe-area-inset-right));
  padding-top: max(var(--space-5), env(safe-area-inset-top));
  padding-bottom: max(var(--space-5), env(safe-area-inset-bottom));
  overflow: auto;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  animation: fade-in 0.3s ease;
}

/* ── Wordmark ──────────────────────────────── */
.login-wordmark {
  text-align: center;
  margin-bottom: var(--space-8);
}

.login-wordmark__diamond {
  font-size: 32px;
  color: var(--color-amber);
  display: block;
  margin-bottom: var(--space-2);
}

.login-wordmark__hq {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--color-text);
}

.login-wordmark__tagline {
  font-size: var(--text-sm);
  color: var(--color-dim);
  margin-top: var(--space-1);
  font-family: var(--font-mono);
}

/* ── Step label ────────────────────────────── */
.login-step-label {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: var(--space-5);
  text-align: center;
}

/* ── Form ──────────────────────────────────── */
.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.login-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.login-input {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  padding: 12px 14px;
  font-size: var(--text-md);
  font-family: var(--font-body);
  outline: none;
  width: 100%;
  transition: border-color var(--transition-base);
  min-height: 46px;
}

.login-input:focus {
  border-color: var(--color-amber-glow);
}

.login-input.error {
  border-color: var(--color-red);
}

.login-input--code {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 8px;
}

/* ── Error message ─────────────────────────── */
.login-error {
  color: var(--color-red);
  font-size: var(--text-sm);
  padding: 10px 12px;
  background: #E8555511;
  border: 1px solid #E8555533;
  border-radius: var(--radius-md);
  display: none;
}

.login-error.visible {
  display: block;
}

/* ── Submit button ─────────────────────────── */
.login-btn {
  background: var(--color-amber);
  color: var(--color-bg);
  border: none;
  padding: 12px;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: var(--text-md);
  cursor: pointer;
  font-family: var(--font-body);
  transition: opacity var(--transition-fast);
  width: 100%;
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.login-btn:hover  { opacity: 0.9; }
.login-btn:active { opacity: 0.8; }

.login-btn.loading {
  opacity: 0.7;
  cursor: not-allowed;
  pointer-events: none;
}

.login-btn__spinner {
  width: 14px;
  height: 14px;
  border: 2px solid transparent;
  border-top-color: var(--color-bg);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: none;
}

.login-btn.loading .login-btn__spinner {
  display: block;
}

.login-btn.loading .login-btn__text {
  display: none;
}

/* ── Back link ─────────────────────────────── */
.login-back {
  background: transparent;
  border: none;
  color: var(--color-dim);
  font-size: var(--text-sm);
  cursor: pointer;
  text-align: center;
  font-family: var(--font-body);
  padding: var(--space-2);
  transition: color var(--transition-fast);
  width: 100%;
}

.login-back:hover {
  color: var(--color-text);
}

/* ── QR code section ───────────────────────── */
.login-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.login-qr__frame {
  background: white;
  padding: 12px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-qr__img {
  width: 180px;
  height: 180px;
  display: block;
}

.login-qr__instruction {
  font-size: var(--text-sm);
  color: var(--color-dim);
  text-align: center;
  line-height: 1.6;
}

/* ── Recovery codes ────────────────────────── */
.login-recovery {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.login-recovery__title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-amber);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-3);
}

.login-recovery__codes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.login-recovery__code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text);
  padding: 4px;
}

.login-recovery__warning {
  font-size: 11px;
  color: var(--color-red);
  margin-top: var(--space-3);
  line-height: 1.5;
}

/* ── Step indicator ────────────────────────── */
.login-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.login-step-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-border);
  transition: background var(--transition-base);
}

.login-step-dot.active {
  background: var(--color-amber);
}

.login-step-dot.done {
  background: var(--color-green);
}

/* ── Hint text ─────────────────────────────── */
.login-hint {
  font-size: var(--text-sm);
  color: var(--color-dim);
  text-align: center;
  line-height: 1.6;
}

/* ── Mobile ────────────────────────────────── */
@media (max-width: 480px) {
  .login-card {
    padding: var(--space-6);
    border-radius: var(--radius-lg);
  }

  .login-wordmark__hq {
    font-size: 28px;
  }

  .login-wordmark__diamond {
    font-size: 28px;
  }

  /* OTP / recovery-code inputs stay readable — the code input is the
     explicit exception to the 16px iOS zoom-prevention rule (a big
     monospace block is expected here, and iOS will still not zoom
     because 24px > 16px). */
  .login-input--code {
    font-size: 22px;
    letter-spacing: 6px;
  }

  /* QR code smaller on tiny screens so it fits without scrolling. */
  .login-qr__img {
    width: 150px;
    height: 150px;
  }
}