/* ============================================================
   Nelavista — authentication pages (login, signup, forgot-password, reset-password).

   One stylesheet, one visual language. Individual pages only carry page-specific
   overrides (container class name, form-group animation delays, page-specific
   sections like .section-header on signup) — everything else lives here so the
   four auth screens never drift apart.

   Pairs with main.css for shared tokens (--bg-deep, --accent, --grad-main, etc.)
   and components/navbar.html for the top bar (same public-site shell as landing,
   about, privacy-policy, terms-of-service).
   ============================================================ */

/* ─── BODY ─── */
body.auth-page {
  min-height: 100svh;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 20px;
  position: relative;
  overflow-x: hidden;
  opacity: 0;
  animation: fadeIn 0.6s ease-out 0.1s forwards;
  background:
    radial-gradient(circle at 12% 15%, rgba(56, 189, 248, .16), transparent 28rem),
    radial-gradient(circle at 88% 82%, rgba(45, 212, 191, .12), transparent 26rem),
    var(--bg-deep);
}

body.auth-page::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image:
    linear-gradient(rgba(148, 163, 184, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, .08) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

/* z-index layering: navbar (1000) > auth content (1) */
body.auth-page #top-bar,
body.auth-page .logo-section,
body.auth-page .login-container,
body.auth-page .signup-container,
body.auth-page .reset-container,
body.auth-page .auth-legal {
  position: relative;
  z-index: 1;
}

/* ─── ANIMATIONS ─── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes subtlePulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.8; }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

/* ─── LOGO SECTION ─── */
.auth-page .logo-section {
  text-align: center;
  margin: 80px 0 20px;          /* 80px clears the fixed navbar */
  animation: fadeInUp 0.7s ease-out forwards;
  opacity: 0;
}

.auth-page .logo {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: clamp(2.1rem, 5vw, 2.8rem);
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff, #a0c0ff);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

body.auth-page .logo,
body.light-theme.auth-page .logo {
  background: linear-gradient(135deg, #ffffff, #a0c0ff);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.light-theme.auth-page .logo {
  background: linear-gradient(135deg, #0f172a, #0284c7);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.auth-page .tagline {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 500px;
  line-height: 1.5;
  margin: auto;
  animation: fadeInUp 0.7s ease-out 0.1s forwards;
  opacity: 0;
}

/* ─── CARD (shared by all four containers) ─── */
.auth-page .login-container,
.auth-page .signup-container,
.auth-page .reset-container {
  background: color-mix(in srgb, var(--bg-surface) 92%, transparent);
  backdrop-filter: blur(18px);
  padding: 2.5rem 2.2rem;
  border-radius: var(--r-lg);
  width: 100%;
  max-width: 440px;
  border: 1px solid var(--border-hard);
  box-shadow: var(--shadow-card), var(--glow-accent);
  opacity: 0;
  transform: translateY(10px);
  animation: fadeInUp 0.7s ease-out 0.2s forwards;
  margin-bottom: 32px;
  transition: all var(--t-fast) var(--ease);
}

.auth-page .signup-container { max-width: 480px; }

.auth-page .login-container h1,
.auth-page .signup-container h1,
.auth-page .reset-container h1 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.9rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.3s forwards;
}

.auth-page .subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.4s forwards;
}

/* ─── FLASH MESSAGES ─── */
.auth-page .flashes {
  list-style: none;
  padding: 0;
  margin-bottom: 1.8rem;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.45s forwards;
}

.auth-page .flashes li {
  background: rgba(32, 201, 151, 0.12);
  color: var(--text-primary);
  padding: 0.9rem 1.2rem;
  margin-bottom: 0.8rem;
  border-radius: var(--r-md);
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  border: 1px solid rgba(32, 201, 151, 0.3);
  animation: subtlePulse 3s ease-in-out infinite;
  backdrop-filter: blur(4px);
}

.auth-page .flashes li.error {
  background: rgba(220, 53, 69, 0.12);
  border-color: rgba(220, 53, 69, 0.3);
}

.auth-page .flashes li.warning {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.35);
}

.auth-page .flashes li.info {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.3);
}

/* ─── FORM ─── */
.auth-page form {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.75s forwards;
}

.auth-page .form-group {
  margin-bottom: 1.6rem;
  position: relative;
  opacity: 0;
  animation: slideIn 0.6s ease-out forwards;
}

.auth-page label {
  display: block;
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: color 0.2s;
}

/* ─── INPUTS ─── */
.auth-page .input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-deep);
  border-radius: var(--r-md);
  border: 1px solid var(--border-hard);
  transition: all var(--t-fast) var(--ease);
  will-change: transform, border-color, box-shadow;
}

.auth-page .input-wrapper:focus-within {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(56, 189, 248, 0.12);
}

.auth-page .input-wrapper.field-invalid {
  border-color: rgb(220, 53, 69);
}

.auth-page input[type="text"],
.auth-page input[type="email"],
.auth-page input[type="password"] {
  width: 100%;
  padding: 0.95rem 1.1rem;
  background: transparent;
  border: none;
  outline: none;
  font-size: 1rem;
  color: var(--text-primary);
  font-family: inherit;
  transition: opacity 0.2s;
}

/* When a toggle button is present, shrink right padding */
.auth-page .input-wrapper:has(.toggle-password) input {
  padding-right: 0.5rem;
}

.auth-page input::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
  font-weight: 400;
}

/* ─── PASSWORD TOGGLE ─── */
.auth-page .toggle-password {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0 14px;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.auth-page .toggle-password:hover { color: var(--accent); }
.auth-page .toggle-password:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ─── INLINE VALIDATION ─── */
.auth-page .field-error-msg {
  display: none;
  color: rgb(220, 53, 69);
  font-size: 0.8rem;
  margin-top: 0.5rem;
  padding-left: 0.3rem;
}

.auth-page .field-error-msg.show { display: block; }

.auth-page .password-hint {
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 0.5rem;
  padding-left: 0.3rem;
  opacity: 0.8;
}

/* ─── SUBMIT BUTTON ─── */
.auth-page .submit-btn {
  width: 100%;
  padding: 1rem;
  background: var(--grad-main);
  color: white;
  border: none;
  border-radius: var(--r-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease);
  margin-top: 0.5rem;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.95s forwards;
  will-change: transform, box-shadow;
  box-shadow: var(--shadow-btn);
  letter-spacing: -0.01em;
}

.auth-page .submit-btn:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: var(--shadow-btn-hover);
  filter: brightness(1.05);
}

.auth-page .submit-btn:active:not(:disabled) { transform: translateY(0); }
.auth-page .submit-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.auth-page .submit-btn.loading {
  position: relative;
  color: transparent;
}

.auth-page .submit-btn.loading::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 22px; height: 22px;
  margin: -11px 0 0 -11px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ─── GOOGLE OAUTH ─── */
.auth-page .oauth-divider {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin: 1.6rem 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.55s forwards;
}

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

.auth-page .google-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem;
  background: var(--bg-deep);
  color: var(--text-primary);
  border: 1px solid var(--border-hard);
  border-radius: var(--r-sm);
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease);
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.5s forwards;
}

.auth-page .google-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow-card);
}

.auth-page .google-btn i { font-size: 1.15rem; color: #ea4335; }

/* ─── LINK SECTION (bottom of card) ─── */
.auth-page .link-section {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--border-hard);
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.8s forwards;
}

.auth-page .link-section p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.auth-page .link-section a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--t-fast) var(--ease);
  border-bottom: 1px solid rgba(56, 189, 248, 0.3);
  padding-bottom: 2px;
}

.auth-page .link-section a:hover {
  color: var(--accent-teal);
  border-bottom-color: var(--accent-teal);
}

/* ─── FORGOT PASSWORD LINK (below password field) ─── */
.auth-page .forgot-link {
  text-align: right;
  margin-top: -0.8rem;
  margin-bottom: 1rem;
}

.auth-page .forgot-link a {
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--t-fast) var(--ease);
}

.auth-page .forgot-link a:hover { color: var(--accent-teal); }

/* ─── SIGNUP SECTION HEADER ─── */
.auth-page .section-header {
  margin: 0 0 1.2rem 0;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-hard);
}

.auth-page .section-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.auth-page .section-header h2 i {
  color: var(--accent-teal);
  font-size: 1.2rem;
}

/* ─── LEGAL FOOTER ─── */
.auth-page .auth-legal {
  color: var(--text-secondary);
  font-size: 0.78rem;
  text-align: center;
  margin: 4px 0 0;
}

.auth-page .auth-legal a { color: inherit; }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  body.auth-page { padding: 88px 14px 24px; justify-content: flex-start; }
  .auth-page .logo-section { margin-top: 24px; }
  .auth-page .logo { font-size: 2.4rem; }
  .auth-page .login-container,
  .auth-page .signup-container,
  .auth-page .reset-container {
    padding: 2rem 1.5rem;
    margin: 0 0 24px;
    max-width: 100%;
    border-radius: 18px;
  }
  .auth-page .login-container h1,
  .auth-page .signup-container h1,
  .auth-page .reset-container h1 { font-size: 1.7rem; }
  .auth-page input,
  .auth-page .submit-btn { font-size: 16px; }
}

@media (max-width: 480px) {
  .auth-page .logo { font-size: 2rem; }
  .auth-page .login-container,
  .auth-page .signup-container,
  .auth-page .reset-container {
    padding: 1.8rem 1.2rem;
    border-radius: 16px;
  }
}

/* ─── UTILITIES ─── */
button, input { -webkit-tap-highlight-color: transparent; }
i, .ri, .fas { font-style: normal; }