@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; }

body.auth-page {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(160deg, #eff6ff 0%, #f8fafc 45%, #f1f5f9 100%);
  color: #0f172a;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 16px 48px;
  -webkit-font-smoothing: antialiased;
}

.auth-shell {
  width: 100%;
  max-width: 480px;
}

.auth-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  color: #64748b;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s;
}

.auth-back:hover { color: #2563eb; }

.auth-card {
  background: #fff;
  border-radius: 20px;
  padding: 36px 32px 32px;
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 8px 32px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(226, 232, 240, 0.9);
}

.auth-header {
  text-align: center;
  margin-bottom: 28px;
}

.auth-logo {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  border-radius: 14px;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.auth-brand {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #1d4ed8;
  margin: 0 0 10px;
}

.auth-title {
  margin: 0 0 8px;
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #0f172a;
}

.auth-sub {
  margin: 0;
  color: #64748b;
  font-size: 0.9375rem;
  line-height: 1.5;
  max-width: 340px;
  margin-left: auto;
  margin-right: auto;
}

/* Step indicator (signup) */
.auth-steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 28px;
  padding: 0 4px;
}

.auth-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
}

.auth-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 14px;
  left: calc(50% + 20px);
  width: calc(100% - 40px);
  height: 2px;
  background: #e2e8f0;
  z-index: 0;
}

.auth-step.is-done:not(:last-child)::after {
  background: #93c5fd;
}

.auth-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #f1f5f9;
  border: 2px solid #e2e8f0;
  color: #94a3b8;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition: all 0.2s;
}

.auth-step.is-active .auth-step-num {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

.auth-step.is-done .auth-step-num {
  background: #dbeafe;
  border-color: #3b82f6;
  color: #1d4ed8;
}

.auth-step-label {
  font-size: 11px;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.auth-step.is-active .auth-step-label,
.auth-step.is-done .auth-step-label {
  color: #475569;
}

.auth-section {
  margin-bottom: 24px;
}

.auth-section-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #64748b;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #f1f5f9;
}

.auth-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 7px;
}

.auth-label-row label {
  margin-bottom: 0;
}

.auth-forgot-link {
  font-size: 13px;
  font-weight: 600;
  color: #2563eb;
  text-decoration: none;
  white-space: nowrap;
}

.auth-forgot-link:hover {
  color: #1d4ed8;
  text-decoration: underline;
}

.auth-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 400px) {
  .auth-row { grid-template-columns: 1fr; }
}

.auth-field { margin-bottom: 16px; }

.auth-field:last-child { margin-bottom: 0; }

.auth-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 7px;
  color: #334155;
}

.auth-field label .auth-optional {
  font-weight: 400;
  color: #94a3b8;
}

.auth-field input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: #0f172a;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.auth-field input::placeholder { color: #94a3b8; }

.auth-field input:hover { border-color: #cbd5e1; }

.auth-field input:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

/* Override browser autofill yellow/blue */
.auth-field input:-webkit-autofill,
.auth-field input:-webkit-autofill:hover,
.auth-field input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px #fff inset !important;
  -webkit-text-fill-color: #0f172a !important;
  border-color: #e2e8f0;
  transition: background-color 9999s ease-out 0s;
}

.auth-email-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

@media (min-width: 420px) {
  .auth-email-group {
    flex-direction: row;
    align-items: stretch;
  }
}

.auth-email-group input {
  flex: 1;
  min-width: 0;
}

.auth-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 18px;
  border: none;
  border-radius: 12px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, transform 0.1s;
  flex-shrink: 0;
}

.auth-btn-secondary:hover {
  background: #dbeafe;
}

.auth-btn-secondary:active { transform: scale(0.98); }

.auth-btn-secondary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.auth-btn-secondary.is-sent {
  background: #f0fdf4;
  color: #15803d;
}

/* OTP block */
.auth-otp-block {
  margin-top: 4px;
  padding: 16px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  transition: opacity 0.2s, border-color 0.2s;
}

.auth-otp-block.is-hidden {
  opacity: 0.55;
  pointer-events: none;
}

.auth-otp-block.is-visible {
  opacity: 1;
  border-color: #bfdbfe;
  background: #f8fafc;
  pointer-events: auto;
}

.auth-otp-block.is-visible .auth-otp-input {
  border-color: #93c5fd;
  background: #fff;
}

.auth-otp-input {
  text-align: center;
  font-size: 1.5rem !important;
  font-weight: 700;
  letter-spacing: 0.35em;
  padding: 14px 16px !important;
  font-variant-numeric: tabular-nums;
}

.auth-hint {
  font-size: 12px;
  color: #94a3b8;
  margin: 6px 0 0;
  line-height: 1.4;
}

.auth-hint.is-success {
  color: #15803d;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}

.auth-pw-wrap { position: relative; }

.auth-pw-wrap input { padding-right: 44px; }

.auth-pw-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  line-height: 1;
  transition: color 0.15s, background 0.15s;
}

.auth-pw-toggle:hover {
  color: #475569;
  background: #f1f5f9;
}

.auth-alert {
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.45;
  margin-bottom: 20px;
  display: none;
  align-items: flex-start;
  gap: 10px;
}

.auth-alert i {
  margin-top: 2px;
  flex-shrink: 0;
}

.auth-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.auth-success {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.auth-btn {
  width: 100%;
  padding: 14px 20px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  margin-top: 8px;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
  transition: box-shadow 0.15s, transform 0.1s;
}

.auth-btn:hover {
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.auth-btn:active { transform: scale(0.99); }

.auth-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid #f1f5f9;
  font-size: 14px;
  color: #64748b;
}

.auth-footer a {
  color: #2563eb;
  font-weight: 600;
  text-decoration: none;
}

.auth-footer a:hover { text-decoration: underline; }

@media (max-width: 480px) {
  .auth-card {
    padding: 28px 20px 24px;
    border-radius: 16px;
  }
}

/* Login 2FA — matches light auth card (two-factor.css also scopes body.auth-page) */
body.auth-page .auth-2fa .tf2-otp-row {
  justify-content: center;
  gap: 6px;
}

body.auth-page .auth-2fa .auth-btn {
  margin-top: 4px;
}

body.auth-page .auth-2fa .tf2-otp-cell {
  width: 42px;
  height: 50px;
  font-size: 20px;
}

@media (max-width: 400px) {
  body.auth-page .auth-2fa .tf2-otp-cell {
    width: 38px;
    height: 46px;
    font-size: 18px;
  }
}