:root {
  --bg: #f4f5fa;
  --surface: #ffffff;
  --surface-alt: #eceffa;
  --ink: #1e2333;
  --ink-soft: #5c6278;
  --ink-faint: #8a8fa3;
  --accent: #33478f;
  --accent-dark: #232f63;
  --accent-soft: #e6eafb;
  --border: #dde1ee;
  --warn-bg: #fbeeee;
  --warn-border: #e3b2b2;
  --warn-text: #7a2727;
  --ok-bg: #eaf5ee;
  --ok-border: #b7d9c3;
  --ok-text: #285c3d;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14161f;
    --surface: #1b1e2b;
    --surface-alt: #232739;
    --ink: #e8e9f2;
    --ink-soft: #a7abc2;
    --ink-faint: #767c96;
    --accent: #8fa3ec;
    --accent-dark: #b7c4f4;
    --accent-soft: #232c4c;
    --border: #2b3049;
    --warn-bg: #33201f;
    --warn-border: #6b3838;
    --warn-text: #eeb3b3;
    --ok-bg: #1c2f22;
    --ok-border: #3a5f46;
    --ok-text: #a9d7ba;
  }
}

:root[data-theme="dark"] {
  --bg: #14161f;
  --surface: #1b1e2b;
  --surface-alt: #232739;
  --ink: #e8e9f2;
  --ink-soft: #a7abc2;
  --ink-faint: #767c96;
  --accent: #8fa3ec;
  --accent-dark: #b7c4f4;
  --accent-soft: #232c4c;
  --border: #2b3049;
  --warn-bg: #33201f;
  --warn-border: #6b3838;
  --warn-text: #eeb3b3;
  --ok-bg: #1c2f22;
  --ok-border: #3a5f46;
  --ok-text: #a9d7ba;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", system-ui, Roboto, sans-serif;
  line-height: 1.65;
  font-size: 16px;
}

h1, h2, h3, .display {
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", ui-serif, serif;
  font-weight: 600;
  text-wrap: balance;
  color: var(--ink);
}

a { color: var(--accent-dark); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Top app bar (cross-page nav) ---------- */

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  font-size: 1rem;
}

.brand-mark { font-size: 1.15rem; }

.topnav { display: flex; gap: 1.2rem; flex-wrap: wrap; font-size: 0.88rem; align-items: center; }

.topnav-link {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 600;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}

.topnav-link:hover { color: var(--accent-dark); }
.topnav-link.active { color: var(--accent-dark); border-bottom-color: var(--accent); }
.topnav-link.locked { color: var(--ink-faint); cursor: not-allowed; }

/* ---------- Masthead (terms page) ---------- */

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.76rem;
  color: var(--accent-dark);
  font-weight: 700;
  margin-bottom: 0.9rem;
}

/* ---------- Generic page header (every page) ---------- */

.page-header { max-width: 760px; margin: 0 auto; padding: 2.5rem 1.5rem 0; }
.page-header h1 { font-size: clamp(1.6rem, 3.4vw, 2.15rem); margin: 0 0 0.6rem; line-height: 1.2; }
.page-header p { color: var(--ink-soft); max-width: 60ch; margin: 0; }
.page-header .assoc { color: var(--ink); font-weight: 600; border-bottom: 2px solid var(--accent-soft); }

main { max-width: 760px; margin: 0 auto; padding: 2.75rem 1.5rem 4rem; }

section { padding: 2.1rem 0; border-bottom: 1px solid var(--border); }
section:last-of-type { border-bottom: none; }
section h2 { font-size: 1.25rem; margin: 0 0 0.35rem; }

/* ---------- Plain terms list (kept deliberately simple) ---------- */

.term-list { list-style: none; margin: 0; padding: 0; }
.term-list li { padding: 1.1rem 0; border-bottom: 1px solid var(--border); }
.term-list li:first-child { padding-top: 0; }
.term-list li:last-child { border-bottom: none; }
.term-list h2 { font-size: 1.05rem; margin: 0 0 0.35rem; }
.term-list p { margin: 0; color: var(--ink-soft); max-width: 65ch; }

.callout { border-radius: 10px; padding: 1rem 1.2rem; margin-top: 1.1rem; font-size: 0.95rem; border-left: 4px solid; }
.callout.warn { background: var(--warn-bg); border-color: var(--warn-border); color: var(--warn-text); }
.callout.ok { background: var(--ok-bg); border-color: var(--ok-border); color: var(--ok-text); }
.callout strong { display: block; margin-bottom: 0.2rem; }

.consent-box { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 1.3rem 1.4rem; margin-top: 1rem; }
.consent-box label { display: flex; gap: 0.7rem; align-items: flex-start; font-size: 0.95rem; cursor: pointer; padding: 0.5rem 0; }
.consent-box input[type="checkbox"] { margin-top: 0.2rem; width: 17px; height: 17px; flex-shrink: 0; accent-color: var(--accent); }

/* ---------- Forms (cuenta / subir) ---------- */

.form-error { margin: 0; font-size: 0.88rem; color: var(--warn-text); }
.form-links { display: flex; justify-content: space-between; gap: 0.8rem; flex-wrap: wrap; font-size: 0.88rem; margin-top: 0.9rem; }
.link-btn { background: none; border: none; padding: 0; font: inherit; color: var(--accent-dark); text-decoration: underline; cursor: pointer; }
.link-btn:disabled { color: var(--ink-faint); cursor: not-allowed; }

.form-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.3rem 1.4rem;
}

.field { display: flex; flex-direction: column; gap: 0.4rem; flex: 1; }
.field label, .field-label { font-size: 0.88rem; font-weight: 600; color: var(--ink-soft); }

.field-row { display: flex; gap: 1rem; flex-wrap: wrap; }

.field input[type="text"],
.field input[type="email"],
.field input[type="password"],
.field input[type="file"],
.field select,
.field textarea {
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
  width: 100%;
}

.field textarea { resize: vertical; }
.field-hint { font-size: 0.8rem; color: var(--ink-faint); }

.radio-row { display: flex; gap: 1.3rem; flex-wrap: wrap; }
.radio-inline { display: flex; align-items: center; gap: 0.4rem; font-size: 0.92rem; font-weight: 400; color: var(--ink); cursor: pointer; }
.radio-inline input { accent-color: var(--accent); }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.75rem 1.7rem;
  border-radius: 8px;
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 1.1rem;
  transition: background 0.15s ease;
  text-decoration: none;
  text-align: center;
}

.btn:hover:not(:disabled) { background: var(--accent-dark); }
.btn:disabled { background: var(--border); color: var(--ink-faint); cursor: not-allowed; }

.btn.secondary { background: transparent; border: 1px solid var(--border); color: var(--ink); }
.btn.secondary:hover:not(:disabled) { background: var(--surface-alt); }

.btn.danger { background: transparent; border: 1px solid var(--warn-border); color: var(--warn-text); }
.btn.danger:hover:not(:disabled) { background: var(--warn-bg); }

.btn-row { display: flex; gap: 0.7rem; flex-wrap: wrap; margin-top: 1.1rem; }
.btn-row .btn { margin-top: 0; }

.fineprint { font-size: 0.82rem; color: var(--ink-faint); margin-top: 0.7rem; }

.placeholder {
  background: var(--accent-soft);
  border: 1px dashed var(--accent);
  color: var(--accent-dark);
  padding: 0.1rem 0.4rem;
  border-radius: 5px;
  font-size: 0.94em;
}

/* ---------- Account page ---------- */

.account-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 1.4rem 1.5rem; margin-top: 1.3rem; }
.account-row { display: flex; justify-content: space-between; gap: 1rem; padding: 0.6rem 0; border-bottom: 1px solid var(--border); font-size: 0.94rem; }
.account-row:last-child { border-bottom: none; }
.account-row span:first-child { color: var(--ink-soft); }
.account-row span:last-child { text-align: right; font-weight: 600; }

/* ---------- Banners ---------- */

.banner { max-width: 760px; margin: 1.4rem auto 0; padding: 0 1.5rem; }
.banner-inner { border-radius: 10px; padding: 0.9rem 1.1rem; font-size: 0.92rem; border-left: 4px solid; }
.banner-inner.ok { background: var(--ok-bg); border-color: var(--ok-border); color: var(--ok-text); }
.banner-inner.info { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-dark); }

/* ---------- Library ---------- */

.year-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.6rem;
}

.year-tab {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--ink-soft);
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
}

.year-tab:hover { border-color: var(--accent); color: var(--ink); }

.year-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.year-tab .count { opacity: 0.75; font-weight: 400; margin-left: 0.3rem; }

.filter-row {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 1rem;
  align-items: flex-end;
}

.filter-field { display: flex; flex-direction: column; gap: 0.35rem; min-width: 180px; flex: 1; }
.filter-field label { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-faint); }

.filter-field select {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  width: 100%;
}

.filter-clear {
  background: none;
  border: none;
  color: var(--accent-dark);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.55rem 0;
}

.results-count { font-size: 0.86rem; color: var(--ink-faint); margin-top: 1.1rem; }

.empty-state {
  text-align: center;
  color: var(--ink-faint);
  padding: 2.5rem 1rem;
  border: 1px dashed var(--border);
  border-radius: 10px;
  margin-top: 1rem;
}

.library-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(225px, 1fr)); gap: 1rem; margin-top: 1.6rem; }

.note-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.note-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 0.5rem; }
.note-icon { font-size: 1.5rem; line-height: 1; }

.tag { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 700; padding: 0.2rem 0.55rem; border-radius: 999px; white-space: nowrap; }
.tag.sample { background: var(--surface-alt); color: var(--ink-faint); }
.tag.mine { background: var(--ok-bg); color: var(--ok-text); }

.note-card h3 { margin: 0; font-size: 1.03rem; }
.note-meta { font-size: 0.82rem; color: var(--ink-faint); }
.note-comment { font-size: 0.88rem; color: var(--ink-soft); }
.note-card .btn { margin-top: auto; align-self: flex-start; padding: 0.5rem 1rem; font-size: 0.85rem; }

.locked-view { max-width: 480px; margin: 3.5rem auto; text-align: center; padding: 0 1.5rem; }
.locked-view .lock-big { font-size: 2.6rem; margin-bottom: 0.6rem; }
.locked-view p { color: var(--ink-soft); }

footer {
  text-align: center;
  padding: 2.2rem 1.5rem 3rem;
  color: var(--ink-faint);
  font-size: 0.86rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

footer a { color: var(--ink-soft); }
footer .footer-links { margin-top: 0.4rem; display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Admin panel ---------- */

.admin-section { margin-top: 2rem; }
.admin-section h2 { font-size: 1.15rem; margin: 0 0 1rem; display: flex; align-items: center; gap: 0.6rem; }

.count-badge {
  background: var(--surface-alt);
  color: var(--ink-faint);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
}

.admin-empty { color: var(--ink-faint); font-size: 0.9rem; padding: 0.8rem 0; }

.admin-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  margin-bottom: 0.8rem;
}

.admin-card-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; }
.admin-card-main strong { display: block; font-size: 1rem; }
.admin-card-main .note-meta { margin-top: 0.2rem; }
.admin-card-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.admin-card-actions .btn { margin-top: 0; padding: 0.5rem 1rem; font-size: 0.86rem; }

.reason-box { margin-top: 0.9rem; padding-top: 0.9rem; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 0.6rem; }
.reason-box textarea {
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
  width: 100%;
  resize: vertical;
}

.status-badge { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 700; padding: 0.2rem 0.55rem; border-radius: 999px; white-space: nowrap; }
.status-badge.pendiente { background: var(--accent-soft); color: var(--accent-dark); }
.status-badge.aprobada { background: var(--ok-bg); color: var(--ok-text); }
.status-badge.rechazada, .status-badge.eliminada { background: var(--warn-bg); color: var(--warn-text); }

.activity-list { display: flex; flex-direction: column; gap: 0; }
.activity-item { padding: 0.7rem 0; border-bottom: 1px solid var(--border); font-size: 0.88rem; }
.activity-item:last-child { border-bottom: none; }
.activity-item .activity-time { color: var(--ink-faint); font-size: 0.78rem; display: block; margin-bottom: 0.15rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}