/* Lectura Hispana — identidad visual: papel crema cálido, tinta, serif
   display grande (Fraunces), acentos coral / amarillo / turquesa / ciruela,
   stickers con sombra dura y micro-rotaciones. Nada del look de software. */

:root {
  --paper: #FAF3E3;
  --paper-2: #FFF9EC;
  --paper-3: #F3E8CF;
  --ink: #262019;
  --ink-soft: #5C5344;
  --coral: #FF6B4A;
  --amarillo: #FFC53D;
  --turquesa: #2BB3A3;
  --ciruela: #7C4DA0;
  --rosa: #FFB3C7;
  --border: 2px solid var(--ink);
  --shadow: 4px 4px 0 var(--ink);
  --shadow-sm: 3px 3px 0 var(--ink);
  --radius: 18px;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'Nunito', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  background-image: radial-gradient(var(--paper-3) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
}
a { color: var(--ciruela); font-weight: 700; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; color: var(--ink); }
h1, h2, h3, .serif { font-family: var(--serif); line-height: 1.08; margin: 0; }
h1 { font-size: clamp(2rem, 6vw, 3.2rem); font-weight: 900; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
.muted { color: var(--ink-soft); }
.small { font-size: 0.88rem; }
.center { text-align: center; }

/* ------------------------------------------------------------- layout */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: var(--paper);
  border-bottom: var(--border);
}
.topbar-in {
  max-width: 1100px; margin: 0 auto; padding: 10px 16px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.logo { font-family: var(--serif); font-weight: 900; font-size: 1.45rem; text-decoration: none; color: var(--ink); display: flex; align-items: center; gap: 9px; }
.logo .mark {
  width: 34px; height: 34px; border: var(--border); border-radius: 10px;
  background: var(--amarillo); box-shadow: var(--shadow-sm);
  display: grid; place-items: center; font-size: 1.15rem; transform: rotate(-3deg);
}
.navtabs { display: flex; gap: 8px; flex-wrap: wrap; margin-left: auto; }
.navtab {
  border: var(--border); background: var(--paper-2); border-radius: 999px;
  padding: 7px 14px; font-weight: 800; cursor: pointer; box-shadow: 2px 2px 0 var(--ink);
  transition: transform .12s ease;
}
.navtab:hover { transform: rotate(-1deg) translateY(-1px); }
.navtab.active { background: var(--ink); color: var(--paper); }
main { max-width: 1100px; margin: 0 auto; padding: 22px 16px 90px; }
footer.site {
  border-top: var(--border); background: var(--paper-2);
  padding: 22px 16px; text-align: center; font-weight: 700;
}

/* ------------------------------------------------------------- pieces */
.card {
  background: var(--paper-2); border: var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px;
}
.card.flat { box-shadow: none; }
.sticker {
  display: inline-block; border: var(--border); border-radius: 999px;
  padding: 3px 12px; font-weight: 800; font-size: 0.85rem;
  box-shadow: var(--shadow-sm); transform: rotate(-2deg); background: var(--amarillo);
}
.sticker.coral { background: var(--coral); color: #fff; }
.sticker.turquesa { background: var(--turquesa); color: #fff; }
.sticker.ciruela { background: var(--ciruela); color: #fff; }
.sticker.rosa { background: var(--rosa); }
.sticker.paper { background: var(--paper-2); }
.sticker.straight { transform: none; }

.btn {
  display: inline-block; border: var(--border); border-radius: 14px;
  background: var(--ink); color: var(--paper); font-weight: 800;
  padding: 10px 18px; cursor: pointer; box-shadow: var(--shadow-sm);
  transition: transform .12s ease; text-decoration: none; text-align: center;
}
.btn:hover { transform: rotate(-1deg) translateY(-1px); }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn.coral { background: var(--coral); color: #fff; }
.btn.turquesa { background: var(--turquesa); color: #fff; }
.btn.ciruela { background: var(--ciruela); color: #fff; }
.btn.amarillo { background: var(--amarillo); color: var(--ink); }
.btn.ghost { background: var(--paper-2); color: var(--ink); }
.btn.small { padding: 6px 12px; font-size: 0.9rem; border-radius: 11px; }
.btn.block { display: block; width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

.field { margin-bottom: 12px; }
.field label { display: block; font-weight: 800; margin-bottom: 5px; font-size: 0.95rem; }
.field input, .field select, .field textarea, .input {
  width: 100%; border: var(--border); border-radius: 12px; background: #fff;
  padding: 10px 12px; outline: none;
}
.field textarea { min-height: 74px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { box-shadow: var(--shadow-sm); }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > * { flex: 1 1 160px; }
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 16px; }
.chip {
  border: var(--border); background: var(--paper-2); border-radius: 999px;
  padding: 5px 13px; font-weight: 800; cursor: pointer;
}
.chip.active { background: var(--turquesa); color: #fff; }
.notice {
  border: var(--border); border-radius: 14px; padding: 12px 14px; font-weight: 700;
  background: var(--amarillo); box-shadow: var(--shadow-sm); margin-bottom: 16px;
}
.notice.error { background: var(--coral); color: #fff; }
.notice.ok { background: var(--turquesa); color: #fff; }
.notice.soft { background: var(--paper-2); box-shadow: none; }

/* book covers: generated tiles (no fake imagery — letter tiles) */
.bookrow { display: flex; gap: 14px; }
.cover {
  flex: 0 0 62px; width: 62px; height: 88px; border: var(--border); border-radius: 8px 12px 12px 8px;
  display: grid; place-items: center; overflow: hidden; position: relative;
  font-family: var(--serif); font-weight: 900; font-size: 1.5rem; color: #fff;
  box-shadow: var(--shadow-sm);
}
.cover img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.cover.c0 { background: var(--coral); } .cover.c1 { background: var(--turquesa); }
.cover.c2 { background: var(--ciruela); } .cover.c3 { background: #E8930C; }
.cover.c4 { background: #3E7CB1; } .cover.c5 { background: #C2497D; }
.progressbar { height: 14px; border: var(--border); border-radius: 999px; background: #fff; overflow: hidden; }
.progressbar > div { height: 100%; background: var(--turquesa); }
.stars { color: #E8930C; font-weight: 900; letter-spacing: 1px; }

.hero { text-align: center; padding: 26px 8px 8px; }
.hero p.lead { font-size: 1.15rem; font-weight: 600; max-width: 620px; margin: 12px auto 0; }
.auth-wrap { max-width: 440px; margin: 26px auto; }
.divider { display: flex; align-items: center; gap: 10px; margin: 16px 0; font-weight: 800; color: var(--ink-soft); }
.divider::before, .divider::after { content: ''; flex: 1; border-top: 2px dashed var(--ink-soft); }

table.plan { width: 100%; border-collapse: collapse; font-size: .95rem; }
table.plan th, table.plan td { border: 2px solid var(--ink); padding: 7px 9px; text-align: left; background: #fff; }
table.plan th { background: var(--paper-3); font-family: var(--serif); }
.post { border: var(--border); border-radius: 14px; padding: 12px 14px; background: #fff; margin-bottom: 10px; }
.post.locked { background: var(--paper-3); color: var(--ink-soft); border-style: dashed; }
.memberrow { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 2px dashed var(--paper-3); }
.memberrow:last-child { border-bottom: none; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%; border: var(--border);
  display: grid; place-items: center; font-weight: 900; background: var(--rosa); flex: 0 0 36px;
}
.price { font-family: var(--serif); font-weight: 900; font-size: 2.2rem; }
.toggle { display: inline-flex; border: var(--border); border-radius: 999px; overflow: hidden; box-shadow: var(--shadow-sm); }
.toggle button { border: none; background: var(--paper-2); padding: 8px 16px; font-weight: 800; cursor: pointer; }
.toggle button.active { background: var(--ink); color: var(--paper); }
.bar-month { display: flex; align-items: flex-end; gap: 6px; height: 110px; padding-top: 8px; }
.bar-month .col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; height: 100%; justify-content: flex-end; }
.bar-month .bar { width: 100%; max-width: 34px; border: var(--border); border-bottom: none; border-radius: 8px 8px 0 0; background: var(--coral); min-height: 3px; }
.bar-month .lbl { font-size: .72rem; font-weight: 800; }
.toast {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%) rotate(-1deg);
  background: var(--ink); color: var(--paper); border: 2px solid var(--paper);
  padding: 11px 18px; border-radius: 14px; font-weight: 800; z-index: 99;
  box-shadow: 4px 4px 0 rgba(0,0,0,.35); max-width: min(92vw, 520px); text-align: center;
}
@media (max-width: 640px) {
  .navtabs { margin-left: 0; }
  main { padding-bottom: 110px; }
  .bookrow { gap: 10px; }
}