/* ============================================================
   AUTH.CSS — Shared styles for all authentication pages
   Fonts: DM Serif Display (headings) + Nunito (body)
   Palette: inherits site navy/cyan variables from styles.css
   ============================================================ */

/* ── Auth-specific tokens ─────────────────────────────── */
:root {
  --auth-font-display : "Grand Hotel", cursive;;
  --auth-font-body    : 'Nunito', sans-serif;
  --auth-card-radius  : 1.25rem;
  --auth-input-bg     : #f0f5ff;
  --auth-input-border : #d4dff7;
  --auth-muted        : #6b7a99;
  --auth-shadow-card  : 0 20px 60px rgba(1, 37, 125, 0.12), 0 4px 16px rgba(1, 37, 125, 0.07);
  --auth-shadow-hover : 0 28px 80px rgba(1, 37, 125, 0.18), 0 8px 24px rgba(1, 37, 125, 0.1);
  --auth-gold         : #c9a84c;
  --auth-gold-light   : #f0d68a;
  --auth-danger       : #d63031;
  --auth-success      : #00b894;
  --auth-transition   : all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Page scaffold ────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--auth-font-body);
  position: relative;
  overflow-x: hidden;
}

/* Decorative diagonal split background */
.auth-page::before {
  content: '';
  position: fixed;
  inset: 0;
  background: linear-gradient(
    160deg,
    #1A1B4B 0%,
    #0E0F3D 45%,
    #2D1B69 100%
    );
  z-index: 0;
}

/* Right panel whitespace */
.auth-page::after {
  content: '';
  position: fixed;
  top: 0; right: 0;
  width: 55%;
  height: 100%;
  background: #f7f9ff;
  z-index: 0;
  clip-path: polygon(8% 0, 100% 0, 100% 100%, 0% 100%);
}

@media (max-width: 768px) {
  .auth-page::after { display: none; }
  .auth-page::before {
    background: linear-gradient(
    160deg,
    #1A1B4B 0%,
    #0E0F3D 45%,
    #2D1B69 100%
    );
  }
}

/* ── Top bar ──────────────────────────────────────────── */
.auth-topbar {
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 2.5rem;
  animation: authFadeDown 0.6s ease both;
}

.auth-brand {
  font-family: var(--auth-font-display);
  font-size: 1.9rem;
  color: #fff;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}
.auth-brand-dot {
  width: 8px; height: 8px;
  background: var(--clr-primary-light);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.5); opacity: 0.6; }
}

.auth-topbar-link {
  color: rgba(255,255,255,0.65);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--auth-transition);
}
.auth-topbar-link:hover { color: var(--clr-primary-light); }

/* ── Main centering wrapper ───────────────────────────── */
.auth-wrapper {
  position: relative;
  z-index: 10;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem 4rem;
}

/* ── Card ─────────────────────────────────────────────── */
.auth-card {
  background: #fff;
  border-radius: var(--auth-card-radius);
  box-shadow: var(--auth-shadow-card);
  width: 100%;
  max-width: 480px;
  overflow: hidden;
  animation: authCardReveal 0.65s cubic-bezier(0.22, 0.68, 0, 1.15) 0.1s both;
  transition: box-shadow 0.35s ease;
}
.auth-card:hover { box-shadow: var(--auth-shadow-hover); }

/* Gold accent strip at top — matches site content-divider aesthetic */
.auth-card-stripe {
  height: 4px;
  background: linear-gradient(to right, var(--clr-primary), var(--auth-gold), var(--clr-primary-light), var(--clr-primary));
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.auth-card-inner { padding: 2.5rem 2.75rem 2rem; }

/* ── Card header ──────────────────────────────────────── */
.auth-card-header { margin-bottom: 2rem; }

.auth-icon-wrap {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--clr-primary), #0035b3);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 1.25rem;
  box-shadow: 0 6px 20px rgba(1, 37, 125, 0.3);
  transition: var(--auth-transition);
}
.auth-card:hover .auth-icon-wrap {
  transform: rotate(-6deg) scale(1.08);
}

.auth-card-header h1,
.auth-card-header h2 {
  font-family: var(--auth-font-display);
  color: var(--clr-primary);
  font-size: 2rem;
  line-height: 1.1;
  margin-bottom: 0.4rem;
  letter-spacing: 0;
  text-transform: none;
}
.auth-card-header p {
  color: var(--auth-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
  font-weight: 500;
}

/* ── Alert banners ────────────────────────────────────── */
.auth-alert {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  border-radius: 0.6rem;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  animation: authFadeDown 0.35s ease both;
}
.auth-alert i { margin-top: 0.05rem; flex-shrink: 0; }
.auth-alert.error   { background: #fff0f0; color: var(--auth-danger);  border-left: 3px solid var(--auth-danger); }
.auth-alert.success { background: #f0fdf7; color: var(--auth-success); border-left: 3px solid var(--auth-success); }
.auth-alert.info    { background: #eff6ff; color: #1d4ed8;             border-left: 3px solid #3b82f6; }
.auth-alert.warning { background: #fffbeb; color: #92400e;             border-left: 3px solid #f59e0b; }

/* ── OR divider ───────────────────────────────────────── */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin: 1.5rem 0;
  color: var(--auth-muted);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, #dde4f5, transparent);
}

/* ── Social buttons ───────────────────────────────────── */
.social-row {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 0.25rem;
}
.social-row.cols-3 { grid-template-columns: repeat(3, 1fr); }
.social-row.cols-2 { grid-template-columns: repeat(2, 1fr); }

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.6rem 0.5rem;
  border: 1.5px solid var(--auth-input-border);
  border-radius: 0.6rem;
  background: #fff;
  font-family: var(--auth-font-body);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clr-primary);
  text-decoration: none;
  cursor: pointer;
  transition: var(--auth-transition);
}
.social-btn:hover {
  border-color: var(--clr-primary);
  background: var(--auth-input-bg);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(1, 37, 125, 0.12);
}
.social-btn .fab,
.social-btn .fa  { font-size: 1rem; }
.social-btn.google   .fa-google   { color: #EA4335; }
.social-btn.facebook .fa-facebook { color: #1877F2; }
.social-btn.github   .fa-github   { color: #24292e; }
.social-btn.twitter  .fa-twitter  { color: #1DA1F2; }
.social-btn.linkedin .fa-linkedin { color: #0A66C2; }

/* ── Form fields ──────────────────────────────────────── */
.auth-form-group { margin-bottom: 1.15rem; }

.auth-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-primary);
  margin-bottom: 0.4rem;
}
.auth-label-link {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--auth-muted);
  text-decoration: none;
  text-transform: none;
  letter-spacing: 0;
  transition: var(--auth-transition);
}
.auth-label-link:hover { color: var(--clr-primary); }

.auth-input-wrap {
  position: relative;
  box-sizing: border-box;
}

.auth-input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--auth-muted);
  font-size: 0.85rem;
  pointer-events: none;
  transition: var(--auth-transition);
}
.auth-input-wrap:focus-within .auth-input-icon {
  color: var(--clr-primary);
}

.auth-input {
  display: block;
  width: calc(100% - 2px);
  box-sizing: border-box;
  padding: 0.8rem 1rem 0.8rem 2.6rem;
  background: var(--auth-input-bg);
  border: 1.5px solid transparent;
  border-radius: 0.65rem;
  font-family: var(--auth-font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-primary);
  outline: none;
  transition: var(--auth-transition);
}
.auth-input::placeholder { color: #aab4cc; font-weight: 400; }
.auth-input:focus {
  border-color: var(--clr-primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(1, 37, 125, 0.07);
}
.auth-input.has-toggle { padding-right: 2.8rem; }
.auth-input.is-error   { border-color: var(--auth-danger) !important; background: #fff8f8; }

.auth-toggle-pw {
  position: absolute;
  right: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: #aab4cc;
  font-size: 0.85rem;
  padding: 0;
  transition: var(--auth-transition);
}
.auth-toggle-pw:hover { color: var(--clr-primary); }

.auth-field-error {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--auth-danger);
}

/* ── Submit button ────────────────────────────────────── */
.auth-btn {
  display: block;
  width: 100%;
  padding: 0.9rem;
  background: var(--clr-primary);
  color: #fff;
  border: none;
  border-radius: 0.65rem;
  font-family: var(--auth-font-body);
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: var(--auth-transition);
  box-shadow: 0 4px 16px rgba(1, 37, 125, 0.3);
  position: relative;
  overflow: hidden;
}
.auth-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.12) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}
.auth-btn:hover {
  background: var(--clr-primary-light);
  color: var(--clr-primary);
  box-shadow: 0 6px 24px rgba(0, 200, 200, 0.35);
  transform: translateY(-1px);
}
.auth-btn:hover::after { transform: translateX(100%); }
.auth-btn:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

/* ── Card footer (switch page) ────────────────────────── */
.auth-card-footer {
  text-align: center;
  padding: 1.25rem 2.75rem 2rem;
  border-top: 1px solid #edf0f9;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--auth-muted);
}
.auth-card-footer a {
  color: var(--clr-primary);
  font-weight: 800;
  text-decoration: none;
  transition: var(--auth-transition);
}
.auth-card-footer a:hover { color: #0038c7; text-decoration: underline; }

/* ── Password strength ────────────────────────────────── */
.pw-strength-track {
  height: 3px;
  background: #e4eaf5;
  border-radius: 2px;
  margin-top: 0.5rem;
  overflow: hidden;
}
.pw-strength-bar {
  height: 100%;
  width: 0;
  border-radius: 2px;
  transition: width 0.4s ease, background 0.4s ease;
}
.pw-strength-label {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
  color: #aab4cc;
  transition: color 0.3s;
}

/* ── Remember me checkbox ─────────────────────────────── */
.auth-check-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1.2rem;
}
.auth-check-row input[type="checkbox"] {
  width: 15px; height: 15px;
  accent-color: var(--clr-primary);
  cursor: pointer;
  border-radius: 3px;
}
.auth-check-label {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--auth-muted);
  cursor: pointer;
  user-select: none;
}

/* ── Animations ───────────────────────────────────────── */
@keyframes authCardReveal {
  from { opacity: 0; transform: translateY(36px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes authFadeDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes authFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}
@keyframes popIn {
  0%   { transform: scale(0.5); opacity: 0; }
  70%  { transform: scale(1.1); }
  100% { transform: scale(1);   opacity: 1; }
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 520px) {
  .auth-card-inner   { padding: 2rem 1.5rem 1.5rem; }
  .auth-card-footer  { padding: 1rem 1.5rem 1.5rem; }
  .social-row.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .auth-topbar       { padding: 1rem 1.25rem; }
  .auth-brand        { font-size: 1.5rem; }
}