/* ── LitLex Premium — Shared Styles ── */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Playfair+Display:ital,wght@0,400;0,700;1,400&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:       #162338;
  --navy-2:     #1c2e48;
  --navy-3:     #223658;
  --navy-4:     #2a3f65;
  --gold:       #c9a44a;
  --gold-light: #e8d08a;
  --gold-dim:   #7a6230;
  --cream:      #f0e6d3;
  --cream-2:    #c8baa8;
  --cream-muted:#8a7f72;
  --red:        #c0392b;
  --green:      #27ae60;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--navy);
  color: var(--cream);
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 18px;
  line-height: 1.75;
  min-height: 100vh;
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(22, 35, 56, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201, 164, 74, 0.18);
}

.nav-logo {
  font-family: 'Cinzel', serif;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  font-family: 'Cinzel', serif;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream-2);
  text-decoration: none;
  transition: color 0.3s;
}

.nav-links a:hover { color: var(--gold); }

.nav-user {
  font-family: 'Cinzel', serif;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--gold-light);
}

/* ── PAGE WRAPPER ── */
.page {
  padding-top: 80px;
  min-height: 100vh;
}

/* ── SECTION HEADINGS ── */
.section-tag {
  display: block;
  font-family: 'Cinzel', serif;
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 400;
  color: var(--cream);
  margin-bottom: 0.3rem;
}

.section-title em {
  font-style: italic;
  color: var(--gold-light);
}

.section-rule {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 1rem 0 1.5rem;
}

/* ── CARDS ── */
.card {
  background: var(--navy-2);
  border: 1px solid rgba(201, 164, 74, 0.15);
  border-radius: 8px;
  padding: 2rem;
  transition: border-color 0.3s, transform 0.2s;
}

.card:hover {
  border-color: rgba(201, 164, 74, 0.35);
  transform: translateY(-2px);
}

/* ── BUTTONS ── */
.btn-gold {
  display: inline-block;
  font-family: 'Cinzel', serif;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  padding: 0.85rem 2rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.3s, transform 0.2s;
}

.btn-gold:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-block;
  font-family: 'Cinzel', serif;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  background: transparent;
  padding: 0.85rem 2rem;
  border: 1px solid var(--gold);
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.3s, color 0.3s;
}

.btn-ghost:hover {
  background: rgba(201, 164, 74, 0.1);
}

.btn-small {
  padding: 0.55rem 1.3rem;
  font-size: 0.62rem;
}

/* ── FORMS ── */
.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-family: 'Cinzel', serif;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--navy-3);
  border: 1px solid rgba(201, 164, 74, 0.25);
  border-radius: 4px;
  color: var(--cream);
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem;
  outline: none;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select option {
  background: var(--navy-2);
  color: var(--cream);
}

/* ── ALERTS ── */
.alert {
  padding: 0.8rem 1.2rem;
  border-radius: 4px;
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
}

.alert-error {
  background: rgba(192, 57, 43, 0.15);
  border: 1px solid rgba(192, 57, 43, 0.4);
  color: #e74c3c;
}

.alert-success {
  background: rgba(39, 174, 96, 0.15);
  border: 1px solid rgba(39, 174, 96, 0.4);
  color: #2ecc71;
}

/* ── TIER BADGE ── */
.tier-badge {
  display: inline-block;
  font-family: 'Cinzel', serif;
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy);
}

.tier-badge.academic {
  background: linear-gradient(135deg, #8e44ad, #c39bd3);
  color: #fff;
}

/* ── TRIAL BANNER ── */
.trial-banner {
  background: linear-gradient(135deg, rgba(201, 164, 74, 0.12), rgba(201, 164, 74, 0.05));
  border: 1px solid rgba(201, 164, 74, 0.25);
  border-radius: 6px;
  padding: 0.8rem 1.2rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--gold-light);
  text-align: center;
}

/* ── AI OUTPUT ── */
.ai-output {
  background: var(--navy-3);
  border: 1px solid rgba(201, 164, 74, 0.2);
  border-radius: 6px;
  padding: 1.5rem;
  margin-top: 1rem;
  line-height: 1.8;
}

.ai-output h4 {
  font-family: 'Cinzel', serif;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.6rem;
}

/* ── SCORE ── */
.score-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  font-family: 'Cinzel', serif;
  font-size: 1.1rem;
  color: var(--gold-light);
  font-weight: 600;
}

/* ── LOADING SPINNER ── */
.spinner {
  display: none;
  text-align: center;
  padding: 2rem;
  color: var(--cream-muted);
  font-style: italic;
}

.spinner.active { display: block; }

.spinner::before {
  content: '';
  display: block;
  width: 32px;
  height: 32px;
  margin: 0 auto 0.8rem;
  border: 2px solid var(--navy-3);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ── FOOTER ── */
.footer {
  text-align: center;
  padding: 2.5rem 2rem;
  margin-top: 3rem;
  border-top: 1px solid rgba(201, 164, 74, 0.12);
  color: var(--cream-muted);
  font-size: 0.85rem;
}

.footer a {
  color: var(--gold-dim);
  text-decoration: none;
}

.footer a:hover { color: var(--gold); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav { padding: 0.8rem 1.2rem; }
  .nav-links { display: none; }
  .section-title { font-size: 1.6rem; }
  .card { padding: 1.3rem; }
  .page { padding-top: 65px; }
}