:root {
  --bg: #f5f6f4; --surface: #ffffff; --surface-2: #eef1ee; --border: #dde2dc;
  --text: #1c2420; --muted: #5d6b63; --accent: #0f6e56; --accent-2: #0b5744; --accent-soft: #e0f0ea;
  --danger: #b42318; --danger-soft: #fdecea; --warn: #9a6700; --warn-soft: #fff4d6;
  --ok: #1a7f37; --ok-soft: #e3f4e8; --info: #1f5fa8; --info-soft: #e5eefa;
  --radius: 10px; --shadow: 0 1px 2px rgba(0,0,0,.05), 0 2px 8px rgba(0,0,0,.04);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121614; --surface: #1a201d; --surface-2: #222a26; --border: #2e3833;
    --text: #e4ebe7; --muted: #95a39b; --accent: #3fb68f; --accent-2: #5cc9a4; --accent-soft: #173229;
    --danger: #f97066; --danger-soft: #3a1714; --warn: #f5c451; --warn-soft: #3a2e0f;
    --ok: #4ac26b; --ok-soft: #14301d; --info: #79aef2; --info-soft: #162a44;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.55rem; margin: 0 0 .25rem; letter-spacing: -.01em; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 .6rem; }
h3 { font-size: 1rem; margin: 1rem 0 .4rem; }
small, .muted { color: var(--muted); }
code { font-family: var(--mono); font-size: .88em; background: var(--surface-2); padding: .1em .35em; border-radius: 4px; }
pre { background: var(--surface-2); padding: 12px 14px; border-radius: 8px; overflow: auto; border: 1px solid var(--border); }
pre code { background: none; padding: 0; }

/* Shell */
.shell { display: flex; min-height: 100vh; }
.sidebar { width: 236px; flex: 0 0 236px; background: var(--surface); border-right: 1px solid var(--border); padding: 16px 10px; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--text); padding: 4px 10px 14px; }
.brand:hover { text-decoration: none; }
.logo { width: 30px; height: 30px; border-radius: 8px; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 800; }
.nav-group { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); padding: 14px 10px 4px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 8px; color: var(--text); }
.nav-item:hover { background: var(--surface-2); text-decoration: none; }
.nav-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.ico { width: 18px; text-align: center; opacity: .8; }
.sidebar-foot { margin-top: auto; padding: 14px 10px 4px; border-top: 1px solid var(--border); font-size: .85rem; }
.who { font-weight: 600; margin-bottom: 4px; }
.who small { display: block; font-weight: 400; }
.main { flex: 1; min-width: 0; padding: 28px 32px 60px; max-width: 1280px; }
.menu-toggle { display: none; }
@media (max-width: 860px) {
  .sidebar { position: fixed; left: -260px; z-index: 50; transition: left .2s; box-shadow: var(--shadow); }
  .sidebar.open { left: 0; }
  .main { padding: 60px 16px 40px; }
  .menu-toggle { display: block; position: fixed; top: 10px; left: 10px; z-index: 60; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; font-size: 1.1rem; color: var(--text); }
}

/* Cabeceras de página */
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head p { margin: 0; color: var(--muted); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* Tarjetas */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); margin-bottom: 18px; }
.card h2:first-child, .card h3:first-child { margin-top: 0; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat .n { font-size: 1.7rem; font-weight: 700; line-height: 1.1; }
.stat .l { color: var(--muted); font-size: .85rem; }
.stat.warn .n { color: var(--warn); }
.stat.danger .n { color: var(--danger); }
.quick { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.quick a { display: block; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); font-size: .9rem; }
.quick a:hover { border-color: var(--accent); text-decoration: none; background: var(--accent-soft); }

/* Formularios */
label { display: block; font-weight: 600; font-size: .85rem; margin-bottom: 4px; }
.field { margin-bottom: 14px; }
.field small { display: block; font-weight: 400; margin-top: 3px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=url], input[type=date], input[type=search], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit;
}
textarea { min-height: 90px; resize: vertical; }
textarea.code, textarea.md { font-family: var(--mono); font-size: .88rem; min-height: 380px; line-height: 1.45; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.row { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.check { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; margin: 4px 0; }
.check input { margin-top: 4px; }
.ce-list { max-height: 320px; overflow: auto; border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; background: var(--surface); }
.ce-list .ra-title { font-weight: 700; font-size: .85rem; margin: 8px 0 2px; color: var(--accent); }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit; font-weight: 600; cursor: pointer; font-size: .9rem; white-space: nowrap; }
.btn:hover { text-decoration: none; border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); }
.btn-danger { color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); background: var(--danger-soft); }
.btn-sm { padding: 4px 9px; font-size: .8rem; }
.btn[disabled] { opacity: .55; cursor: wait; }
.inline { display: inline; }

/* Tablas */
.table-wrap { overflow-x: auto; }
table.list { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.list th, table.list td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.list th { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: var(--surface-2); }
table.list tr:hover td { background: var(--surface-2); }

/* Insignias */
.badge { display: inline-block; font-size: .72rem; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.est-ia_generado { background: var(--info-soft); color: var(--info); }
.est-pendiente { background: var(--warn-soft); color: var(--warn); }
.est-revisado { background: var(--surface-2); color: var(--text); }
.est-validado, .est-validada { background: var(--ok-soft); color: var(--ok); }
.est-publicado { background: var(--accent); color: #fff; }
.badge.tipo { background: var(--accent-soft); color: var(--accent); }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.ce-chip { display: inline-block; font-family: var(--mono); font-size: .75rem; padding: 1px 6px; border-radius: 5px; margin: 1px; border: 1px dashed var(--muted); color: var(--muted); }
.ce-chip.ok { border-style: solid; border-color: var(--ok); color: var(--ok); background: var(--ok-soft); }

/* Avisos */
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; border: 1px solid transparent; }
.flash-ok { background: var(--ok-soft); color: var(--ok); border-color: var(--ok); }
.flash-error { background: var(--danger-soft); color: var(--danger); border-color: var(--danger); }
.flash-info { background: var(--info-soft); color: var(--info); border-color: var(--info); }
.flash-warn { background: var(--warn-soft); color: var(--warn); border-color: var(--warn); }
.issues { list-style: none; padding: 0; margin: 0; }
.issues li { padding: 6px 10px; border-radius: 6px; margin-bottom: 4px; font-size: .88rem; }
.issues .error { background: var(--danger-soft); color: var(--danger); }
.issues .warning { background: var(--warn-soft); color: var(--warn); }
.issues .ok { background: var(--ok-soft); color: var(--ok); }
.issues .info { background: var(--info-soft); color: var(--info); }

/* Contenido del recurso */
.doc { line-height: 1.65; }
.doc h1 { font-size: 1.5rem; margin-top: 0; }
.doc h2 { font-size: 1.25rem; border-bottom: 1px solid var(--border); padding-bottom: 4px; margin-top: 1.8rem; }
.doc h3 { font-size: 1.05rem; }
.doc table.md-table { border-collapse: collapse; margin: 12px 0; width: 100%; font-size: .92rem; }
.doc table.md-table th, .doc table.md-table td { border: 1px solid var(--border); padding: 6px 9px; text-align: left; vertical-align: top; }
.doc table.md-table th { background: var(--surface-2); }
.doc blockquote { margin: 12px 0; padding: 8px 14px; border-left: 4px solid var(--accent); background: var(--accent-soft); border-radius: 0 6px 6px 0; }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 16px; flex-wrap: wrap; }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 8px 14px; font: inherit; font-weight: 600; color: var(--muted); cursor: pointer; }
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.meta { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; font-size: .88rem; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; }
.layout-side { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 20px; align-items: start; }
@media (max-width: 1100px) { .layout-side { grid-template-columns: minmax(0, 1fr); } }
.doc { overflow-wrap: anywhere; }
.doc table.md-table { display: block; overflow-x: auto; }

/* Matriz */
.matrix td.ce-desc { max-width: 420px; }
.cell-n { text-align: center; font-weight: 700; }
.row-missing td { background: var(--danger-soft) !important; }
.row-noevid td { background: var(--warn-soft) !important; }
.bar { height: 8px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--accent); }

/* Progreso de generación */
.progress-list { list-style: none; padding: 0; margin: 0; }
.progress-list li { display: flex; gap: 10px; align-items: center; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.progress-list .st { width: 22px; text-align: center; }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -2px; }
@keyframes spin { to { transform: rotate(360deg); } }
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.35); display: none; place-items: center; z-index: 100; }
.overlay.show { display: grid; }
.overlay .box { background: var(--surface); padding: 24px 28px; border-radius: 12px; text-align: center; max-width: 380px; }

/* Login / instalación */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.auth-card { width: 100%; max-width: 400px; }
.auth-card .brand { justify-content: center; font-size: 1.4rem; padding-bottom: 18px; }
.pagination { display: flex; gap: 6px; margin-top: 14px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; margin-bottom: 14px; }
.filters .field { margin: 0; min-width: 150px; flex: 1; }
.empty { text-align: center; padding: 30px; color: var(--muted); }
details summary { cursor: pointer; font-weight: 600; }
.opts { margin: 6px 0 0 0; padding-left: 20px; }
.opts li.correct { color: var(--ok); font-weight: 600; }
.pill-group { display: flex; flex-wrap: wrap; gap: 6px; }
.pill-group label { font-weight: 500; display: inline-flex; gap: 6px; align-items: center; border: 1px solid var(--border); padding: 5px 10px; border-radius: 999px; cursor: pointer; background: var(--surface); font-size: .85rem; }
.pill-group input:checked + span { color: var(--accent); font-weight: 700; }

@media print {
  .sidebar, .menu-toggle, .no-print, .tabs, .flash { display: none !important; }
  .main { padding: 0; max-width: none; }
  .card { border: 0; box-shadow: none; padding: 0; }
  .tab-panel { display: block !important; }
  body { background: #fff; color: #000; }
}