@import url('https://fonts.googleapis.com/css2?family=Cormorant+SC:wght@300;400;500;600;700&family=Gentium+Plus:ital,wght@0,400;0,700;1,400;1,700&display=swap');

/* ── Grammaticus Palette ── */
:root {
  --aged-ochre:      #ac8e60;
  --aegean-blue:     #749eb2;
  --ink-black:       #171515;
  --antique-gold:    #c4ae78;
  --terracotta-rose: #bd8e83;
  --aegean-ink:      #1e3a4f;
  --rose-dust:       #e8c5bc;
  --pompeii-red:     #7a4840;
  --marble-white:    #f9f6f0;
  --parchment-cream: #e9dac4;
  --stoa-grey:       #cdd5d0;
  --bronze-ink:      #6f5b3e;
}

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

body {
  font-family: 'Gentium Plus', Georgia, serif;
  background-color: var(--marble-white);
  color: var(--ink-black);
  min-height: 100vh;
  line-height: 1.6;
}

h1, h2, h3, h4, .brand {
  font-family: 'Cormorant SC', 'Times New Roman', serif;
  letter-spacing: 0.04em;
}

/* ── Nav ── */
.nav {
  background-color: var(--aegean-ink);
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.nav-brand {
  font-family: 'Cormorant SC', serif;
  font-size: 1.4rem;
  color: var(--parchment-cream);
  text-decoration: none;
  letter-spacing: 0.1em;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-user span {
  color: var(--stoa-grey);
  font-size: 0.9rem;
}

.nav-user a,
.nav-user button {
  color: var(--stoa-grey);
  text-decoration: none;
  font-family: 'Gentium Plus', serif;
  font-size: 0.95rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  transition: color 0.2s;
}

.nav-user a:hover,
.nav-user button:hover {
  color: var(--parchment-cream);
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-family: 'Cormorant SC', serif;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background-color 0.18s, transform 0.1s;
  line-height: 1.4;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background-color: var(--aegean-ink);
  color: var(--parchment-cream);
}
.btn-primary:hover { background-color: #264f6a; }

.btn-secondary {
  background-color: transparent;
  color: var(--aegean-ink);
  border: 1.5px solid var(--aegean-ink);
}
.btn-secondary:hover { background-color: var(--parchment-cream); }

.btn-gold {
  background-color: var(--antique-gold);
  color: var(--ink-black);
}
.btn-gold:hover { background-color: var(--aged-ochre); }

.btn-lg  { padding: 0.8rem 2.25rem; font-size: 1.1rem; }
.btn-full { width: 100%; text-align: center; }

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

label {
  display: block;
  font-family: 'Cormorant SC', serif;
  font-size: 0.88rem;
  letter-spacing: 0.07em;
  color: var(--bronze-ink);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

input[type="email"],
input[type="password"],
input[type="text"] {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1.5px solid var(--stoa-grey);
  border-radius: 4px;
  background: var(--marble-white);
  font-family: 'Gentium Plus', serif;
  font-size: 1rem;
  color: var(--ink-black);
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus {
  outline: none;
  border-color: var(--aegean-blue);
  box-shadow: 0 0 0 3px rgba(116, 158, 178, 0.2);
}

/* ── Alerts ── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}
.alert-error   { background: var(--rose-dust); color: var(--pompeii-red); border-left: 3px solid var(--pompeii-red); }
.alert-success { background: #d4edda; color: #276645; border-left: 3px solid #276645; }

/* ── Stats grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.stat-card {
  background: var(--parchment-cream);
  border-radius: 8px;
  padding: 1.2rem 1rem;
  text-align: center;
  border-bottom: 3px solid var(--antique-gold);
}

.stat-number {
  font-family: 'Cormorant SC', serif;
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--aegean-ink);
  line-height: 1;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--bronze-ink);
  margin-top: 0.35rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── Spinner ── */
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--stoa-grey);
  border-top-color: var(--aegean-blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 2.5rem auto;
  display: block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Badges ── */
.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 10px;
  font-family: 'Cormorant SC', serif;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.badge-due     { background: var(--rose-dust); color: var(--pompeii-red); }
.badge-new     { background: #c8e6c9; color: #2e6a3e; }
.badge-learned { background: var(--parchment-cream); color: var(--bronze-ink); }

/* ── Utilities ── */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.75rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.75rem; }
.hidden { display: none !important; }