/* ============================================================
   Login page — dedicated styles
   Design concept: "Threshold to the journey"
   Signature: Compass rose badge + passport-stamp button hover
   ============================================================ */

/* ---- Token overrides for login page ---- */
.login-page {
  --card-max: 420px;
  --teal: #0f766e;
  --teal-light: #14a89b;
  --teal-deep: #094c47;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --surface: #ffffff;
  --bg-top: #eef3f7;
  --bg-bottom: #e5eaef;
  --shadow-card: 0 8px 32px rgba(15, 118, 110, 0.10);
  --shadow-badge: 0 2px 10px rgba(15, 118, 110, 0.18);
  --radius-card: 16px;
  --radius-btn: 999px;
}

/* ---- Page background: airy gradient + faint map-dot texture ---- */
body.login-page {
  background:
    radial-gradient(circle at 20% 30%, rgba(15, 118, 110, 0.025) 0, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(15, 118, 110, 0.025) 0, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(15, 118, 110, 0.015) 1px, transparent 1px),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  background-size: 100% 100%, 100% 100%, 32px 32px, 100% 100%;
}

/* ---- Main wrapper: vertical centering ---- */
.login-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 160px); /* account for header + footer */
  padding: 48px 16px;
}

/* ---- Card ---- */
.auth-card {
  width: 100%;
  max-width: var(--card-max);
  background: var(--surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  position: relative;
  animation: cardEnter 0.5s ease-out;
}

/* Decorative top border — like a passport cover spine */
.auth-card::before {
  content: '';
  display: block;
  height: 8px;
  background: linear-gradient(90deg, var(--teal), var(--teal-light));
  border-radius: var(--radius-card) var(--radius-card) 0 0;
}

/* ---- Compass rose badge (signature element) ---- */
.auth-badge {
  display: flex;
  justify-content: center;
  margin-top: -22px;
  margin-bottom: 12px;
}

.auth-badge svg {
  display: block;
  width: 44px;
  height: 44px;
  background: var(--surface);
  border-radius: 50%;
  padding: 8px;
  box-shadow: var(--shadow-badge);
  animation: compassSpin 0.8s ease-out forwards;
}

@keyframes compassSpin {
  from { transform: rotate(-90deg); opacity: 0; }
  to   { transform: rotate(0deg);  opacity: 1; }
}

/* ---- Card body ---- */
.auth-card-body {
  padding: 0 36px 36px;
}

/* ---- Typography ---- */
.auth-card-body h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.auth-card-body .subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
  margin: 0 0 28px;
  line-height: 1.5;
}

/* ---- Social buttons ---- */
.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}

.social-btn + .social-btn {
  margin-top: 12px;
}

/* Hover: "passport stamp" effect — inner shadow + slight lift */
.social-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    inset 0 -1px 0 rgba(0, 0, 0, 0.06),
    0 4px 12px rgba(15, 118, 110, 0.12);
  border-color: var(--teal);
}

/* Active: stamp pressed */
.social-btn:active {
  transform: translateY(0);
  box-shadow:
    inset 0 2px 4px rgba(0, 0, 0, 0.08);
  transition-duration: 0.05s;
}

.social-btn svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

/* Facebook variant */
.social-btn-facebook {
  background: #1877f2;
  border-color: #1877f2;
  color: #fff;
}
.social-btn-facebook:hover {
  border-color: #166fe5;
  box-shadow:
    inset 0 -1px 0 rgba(0, 0, 0, 0.12),
    0 4px 12px rgba(24, 119, 242, 0.18);
  background: #166fe5;
}

/* Google variant — keep white bg with Google colors */
.social-btn-google {
  background: var(--surface);
  color: var(--text);
}
.social-btn-google:hover {
  border-color: #4285f4;
  box-shadow:
    inset 0 -1px 0 rgba(0, 0, 0, 0.06),
    0 4px 12px rgba(66, 133, 244, 0.15);
}

/* ---- Divider ---- */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---- Email form ---- */
.email-login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.email-login-form .form-group {
  margin: 0;
}

.email-login-form label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.email-login-form .form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.email-login-form .form-input::placeholder {
  color: #94a3b8;
}

.email-login-form .form-input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.10);
}

.email-login-form .btn-block {
  width: 100%;
  padding: 12px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  background: var(--teal);
  color: #fff;
  border: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.email-login-form .btn-block:hover {
  background: var(--teal-deep);
  transform: translateY(-1px);
}

.email-login-form .btn-block:active {
  transform: translateY(0);
}

/* ---- Inline code input + send button ---- */
.form-group-inline .input-row {
  display: flex;
  gap: 8px;
}

.form-group-inline .input-row .form-input {
  flex: 1;
  text-align: center;
  letter-spacing: 0.2em;
  font-size: 1rem;
}

.btn-send-code {
  flex-shrink: 0;
  padding: 0 16px;
  border-radius: 12px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--teal);
  background: var(--surface);
  color: var(--teal);
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.btn-send-code:hover:not(:disabled) {
  background: var(--teal);
  color: #fff;
}

.btn-send-code:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  border-color: var(--border);
  color: var(--text-muted);
}

/* ---- Card footer (legal text) ---- */
.auth-card-footer {
  padding: 0 36px 28px;
  text-align: center;
}

.auth-card-footer p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.auth-card-footer a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
}

.auth-card-footer a:hover {
  color: var(--teal-deep);
}

/* ---- Entry animation ---- */
@keyframes cardEnter {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  .auth-card,
  .auth-badge svg {
    animation: none;
  }
  .auth-badge svg {
    opacity: 1;
    transform: rotate(0deg);
  }
  .social-btn:hover {
    transform: none;
  }
  .email-login-form .btn-block:hover {
    transform: none;
  }
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
  .login-main {
    padding: 32px 12px;
    min-height: calc(100vh - 140px);
  }

  .auth-card-body {
    padding: 0 24px 28px;
  }

  .auth-card-footer {
    padding: 0 24px 24px;
  }

  .auth-card-body h1 {
    font-size: 1.3rem;
  }

  .social-btn {
    padding: 12px 16px;
    font-size: 0.9rem;
  }
}