/* ============================================
   AUTH.CSS - Login / Register page styles
   ============================================ */

.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  padding-top: 5rem; /* space for auth-top-bar when present */
}

.auth-container {
  width: 100%;
  max-width: 420px;
  animation: fade-in-up 0.6s ease-out;
}

.auth-card {
  padding: 2.5rem;
  width: 100%;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-title {
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.auth-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.auth-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 4px;
  border-radius: var(--radius);
}

.auth-tab {
  flex: 1;
  padding: 0.6rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.auth-tab:hover {
  color: var(--text-primary);
}

.auth-tab.active {
  background: linear-gradient(135deg, var(--accent-crimson), var(--accent-pink));
  color: #fff;
  box-shadow: 0 2px 12px var(--glow-crimson);
}

.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
  animation: fade-in 0.3s ease;
}

.auth-form .form-group {
  margin-bottom: 1.25rem;
}

.auth-form .form-group input {
  width: 100%;
}

.auth-form .btn {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.85rem;
}

.auth-divider {
  display: flex;
  align-items: center;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

.auth-divider span {
  padding: 0 1rem;
}

#guest-login {
  width: 100%;
}

/* Auth top bar (login page) */
.auth-top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  z-index: 10;
  background: rgba(10, 8, 8, 0.5);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--glass-border);
}

.auth-back-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.auth-back-link:hover {
  color: var(--accent-pink);
}

.auth-doc-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  margin-left: 1rem;
  transition: color 0.2s;
}

.auth-doc-link:hover {
  color: var(--text-primary);
}

/* Language selector on login/register page */
.auth-lang-wrap {
  position: relative;
  margin-left: auto;
}
.auth-lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.auth-lang-btn:hover {
  border-color: var(--accent-crimson);
  box-shadow: 0 2px 12px rgba(220, 20, 60, 0.2);
}
.auth-lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.35rem;
  min-width: 160px;
  max-height: 280px;
  overflow-y: auto;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
.auth-lang-dropdown.hidden {
  display: none !important;
}
.auth-lang-dropdown button {
  display: block;
  width: 100%;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  text-align: left;
  color: var(--text-primary);
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.auth-lang-dropdown button:hover {
  background: rgba(220, 20, 60, 0.15);
  color: var(--accent-pink);
}
.auth-lang-dropdown button.active {
  background: rgba(220, 20, 60, 0.2);
  color: var(--accent-pink);
  font-weight: 600;
}

/* Terms checkbox */
.form-group-checkbox {
  margin-bottom: 1rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
  margin-top: 0.25rem;
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent-crimson);
  cursor: pointer;
}

.checkbox-text a {
  color: var(--accent-pink);
  text-decoration: underline;
}

.checkbox-text a:hover {
  color: var(--accent-crimson);
}