/* Versos — literary, warm, crafted. No gradients-for-the-sake-of-it. */
:root {
  --paper:        #f6f1e7;
  --paper-raised: #fbf7ef;
  --ink:          #211c17;
  --ink-soft:     #5c5347;
  --ink-faint:    #8a7f70;
  --rule:         #ddd2bf;
  --accent:       #9a3b2e;   /* oxblood */
  --accent-soft:  #c2705f;
  --gold:         #b08a3e;
  --es:           #9a3b2e;
  --en:           #2f5e57;
  --shadow:       0 1px 2px rgba(33,28,23,.06), 0 8px 28px rgba(33,28,23,.07);
  --maxw:         52rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper:        #15130f;
    --paper-raised: #1d1a15;
    --ink:          #ece4d6;
    --ink-soft:     #b6ab99;
    --ink-faint:    #8a7f70;
    --rule:         #322c23;
    --accent:       #e0846f;
    --accent-soft:  #c2705f;
    --gold:         #d8b25e;
    --es:           #e0846f;
    --en:           #6fb3a6;
    --shadow:       0 1px 2px rgba(0,0,0,.3), 0 10px 30px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* ---------- chrome ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--rule);
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(8px);
}
.brand {
  font-family: 'Fraunces', serif; font-weight: 600; font-size: 1.4rem;
  color: var(--ink); text-decoration: none; letter-spacing: -.01em;
  display: inline-flex; align-items: center; gap: .45rem;
}
.brand-mark { color: var(--accent); transform: translateY(-1px); }
.topnav { display: flex; gap: .25rem; }
.nav-link {
  font: inherit; font-size: .95rem; color: var(--ink-soft);
  background: none; border: 0; cursor: pointer; padding: .45rem .8rem;
  border-radius: 8px; display: inline-flex; align-items: center; gap: .4rem;
}
.nav-link:hover { background: var(--paper-raised); color: var(--ink); }
.nav-link.active { color: var(--accent); }
.due-pill {
  background: var(--accent); color: #fff; font-size: .72rem; font-weight: 600;
  min-width: 1.2rem; height: 1.2rem; padding: 0 .35rem; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
}

.app { flex: 1; width: 100%; max-width: var(--maxw); margin: 0 auto; padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 4vw, 2rem) 4rem; }
.footer { text-align: center; color: var(--ink-faint); font-size: .8rem; padding: 2rem 1rem; border-top: 1px solid var(--rule); }

/* ---------- home / hero ---------- */
.hero { text-align: center; padding: 1rem 0 2.5rem; }
.hero h1 {
  font-family: 'Fraunces', serif; font-weight: 500; font-size: clamp(2.4rem, 7vw, 3.8rem);
  line-height: 1.05; letter-spacing: -.02em; margin: .2rem 0 .6rem;
}
.hero h1 em { font-style: italic; color: var(--accent); }
.hero p { color: var(--ink-soft); font-size: 1.1rem; max-width: 34rem; margin: 0 auto; }

.dir-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2.2rem; }
@media (max-width: 560px) { .dir-grid { grid-template-columns: 1fr; } }
.dir-card {
  text-align: left; background: var(--paper-raised); border: 1px solid var(--rule);
  border-radius: 16px; padding: 1.5rem 1.5rem 1.4rem; cursor: pointer;
  box-shadow: var(--shadow); transition: transform .15s ease, border-color .15s ease;
  font: inherit; color: var(--ink);
}
.dir-card:hover { transform: translateY(-3px); border-color: var(--accent-soft); }
.dir-card .flag { font-size: 1.6rem; }
.dir-card h3 { font-family: 'Fraunces', serif; font-weight: 500; font-size: 1.5rem; margin: .6rem 0 .2rem; }
.dir-card p { color: var(--ink-soft); font-size: .95rem; margin: 0; }
.dir-card .count { color: var(--ink-faint); font-size: .82rem; margin-top: .9rem; display: block; }

/* ---------- library ---------- */
.view-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.4rem; }
.view-head h2 { font-family: 'Fraunces', serif; font-weight: 500; font-size: 1.9rem; margin: 0; letter-spacing: -.01em; }
.view-head .sub { color: var(--ink-faint); font-size: .9rem; }

.filters { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: 1.6rem; }
.chip {
  font: inherit; font-size: .85rem; color: var(--ink-soft);
  background: var(--paper-raised); border: 1px solid var(--rule);
  padding: .35rem .8rem; border-radius: 999px; cursor: pointer;
}
.chip:hover { border-color: var(--accent-soft); }
.chip.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.poem-list { display: grid; gap: .7rem; }
.poem-row {
  display: flex; align-items: center; gap: 1rem; text-align: left;
  background: var(--paper-raised); border: 1px solid var(--rule); border-radius: 12px;
  padding: 1rem 1.1rem; cursor: pointer; font: inherit; color: var(--ink);
  transition: border-color .12s ease, transform .12s ease;
}
.poem-row:hover { border-color: var(--accent-soft); transform: translateX(2px); }
.poem-row .meta { flex: 1; min-width: 0; }
.poem-row .title { font-family: 'Fraunces', serif; font-size: 1.15rem; font-weight: 500; }
.poem-row .author { color: var(--ink-faint); font-size: .85rem; }
.poem-row .right { display: flex; align-items: center; gap: .6rem; flex-shrink: 0; }

.badge { font-size: .72rem; font-weight: 600; padding: .15rem .5rem; border-radius: 6px; letter-spacing: .03em; }
.badge.cefr { background: color-mix(in srgb, var(--gold) 22%, transparent); color: var(--gold); }
.badge.lang-es { color: var(--es); border: 1px solid color-mix(in srgb, var(--es) 40%, transparent); }
.badge.lang-en { color: var(--en); border: 1px solid color-mix(in srgb, var(--en) 40%, transparent); }
.badge.has-audio { color: var(--ink-faint); }
.learned-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }

/* ---------- reader ---------- */
.reader { max-width: 40rem; margin: 0 auto; }
.back-link { font: inherit; font-size: .9rem; color: var(--ink-soft); background: none; border: 0; cursor: pointer; padding: 0; margin-bottom: 1.4rem; }
.back-link:hover { color: var(--accent); }
.reader-head { margin-bottom: 1.6rem; }
.reader-head h1 { font-family: 'Fraunces', serif; font-weight: 500; font-size: clamp(1.8rem, 5vw, 2.6rem); line-height: 1.1; margin: 0 0 .3rem; letter-spacing: -.01em; }
.reader-head .byline { color: var(--ink-soft); font-size: 1rem; }
.reader-head .tags { display: flex; gap: .5rem; margin-top: .9rem; align-items: center; }

.controls { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin: 1.4rem 0 2rem; padding: 1rem; background: var(--paper-raised); border: 1px solid var(--rule); border-radius: 14px; }
.btn {
  font: inherit; font-size: .9rem; font-weight: 500; cursor: pointer;
  background: var(--ink); color: var(--paper); border: 1px solid var(--ink);
  padding: .55rem 1rem; border-radius: 10px; display: inline-flex; align-items: center; gap: .45rem;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn.ghost { background: transparent; color: var(--ink-soft); border-color: var(--rule); }
.btn.ghost:hover { color: var(--ink); border-color: var(--accent-soft); background: transparent; }
.btn.ghost.active { color: var(--accent); border-color: var(--accent); }
.voice-toggle { display: inline-flex; gap: .15rem; margin-left: auto; }

.poem-body { font-family: 'Fraunces', serif; font-size: 1.3rem; line-height: 1; }
.line {
  display: block; padding: .42rem .6rem; margin: 0 -.6rem; border-radius: 8px;
  cursor: pointer; position: relative; transition: background .12s ease;
}
.line:hover { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.line.blank { cursor: default; height: 1rem; }
.line.blank:hover { background: none; }
.line.speaking { background: color-mix(in srgb, var(--gold) 18%, transparent); }
.line .src { display: block; }
.line .gloss {
  display: none; font-family: 'Inter', sans-serif; font-size: .95rem; line-height: 1.45;
  color: var(--accent); margin-top: .2rem; padding-left: 1px;
}
.line .note {
  display: block; font-family: 'Inter', sans-serif; font-size: .82rem; font-style: normal;
  color: var(--ink-faint); margin-top: .15rem;
}
.line.revealed .gloss { display: block; }
.line.revealed { background: color-mix(in srgb, var(--accent) 5%, transparent); }

/* recall footer */
.recall { margin-top: 2.5rem; padding-top: 1.6rem; border-top: 1px solid var(--rule); text-align: center; }
.recall p { color: var(--ink-soft); margin: 0 0 1rem; }
.recall-btns { display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; }
.recall-btns .btn { min-width: 7rem; justify-content: center; }
.btn.again { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn.again:hover { background: var(--accent); color: #fff; }
.btn.good { background: var(--en); border-color: var(--en); }
.btn.good:hover { filter: brightness(1.1); background: var(--en); }

/* ---------- review ---------- */
.review-empty { text-align: center; padding: 3rem 1rem; }
.review-empty .big { font-family: 'Fraunces', serif; font-size: 2rem; margin: .5rem 0; }
.review-empty p { color: var(--ink-soft); }
.progress-stats { display: flex; gap: 1.5rem; justify-content: center; margin: 1.5rem 0; flex-wrap: wrap; }
.stat { text-align: center; }
.stat .n { font-family: 'Fraunces', serif; font-size: 2rem; color: var(--accent); display: block; }
.stat .l { color: var(--ink-faint); font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; }

.empty-note { text-align: center; color: var(--ink-faint); padding: 2.5rem 1rem; }