/* ═══════════════════════════════════════════════════════
   SPRAYER INTERNACIONAL · Plataforma Documental
   ═══════════════════════════════════════════════════════ */
:root {
  --navy: #1e2a5a;
  --navy-2: #141d40;
  --blue: #2563eb;
  --sky: #38bdf8;
  --bg: #f1f5f9;
  --card: #ffffff;
  --txt: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --ok: #10b981;
  --warn: #f59e0b;
  --err: #ef4444;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(15,23,42,.06), 0 8px 24px -12px rgba(15,23,42,.12);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
  background: var(--bg);
  color: var(--txt);
  font-size: 15px;
}
h1 { font-size: 1.45em; margin: 0 0 4px; letter-spacing: -.02em; }
h2 { font-size: 1.15em; }
h3 { font-size: 1em; margin: 0 0 12px; color: var(--navy); }
a { color: var(--blue); text-decoration: none; }
code { background: #eef2ff; padding: 1px 6px; border-radius: 6px; font-size: .9em; }
.muted { color: var(--muted); margin: 0; }
.mini { font-size: .8em; }

/* ── Login / instalador ─────────────────────────── */
.auth-body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(1100px 600px at 15% -10%, #2c3e7a 0%, var(--navy) 45%, var(--navy-2) 100%);
}
.auth-card {
  background: var(--card); border-radius: 20px; padding: 40px 42px; width: 100%; max-width: 400px;
  box-shadow: 0 25px 60px -12px rgba(0,0,0,.45); text-align: center;
  animation: pop .35s ease;
}
@keyframes pop { from { opacity: 0; transform: translateY(14px) scale(.98); } }
.auth-logo { max-width: 190px; margin-bottom: 10px; }
.auth-card h1 { color: var(--navy); }
.auth-card form { text-align: left; margin-top: 18px; }

/* ── Formularios ────────────────────────────────── */
label { display: block; font-weight: 600; font-size: .86em; margin: 12px 0 5px; color: #334155; }
input, select, textarea {
  width: 100%; padding: 10px 13px; border: 1.5px solid var(--line); border-radius: 10px;
  font: inherit; background: #fff; transition: border .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.13);
}
.req { color: var(--err); }

/* ── Botones ────────────────────────────────────── */
.btn {
  display: inline-block; padding: 10px 18px; border-radius: 10px; border: none; cursor: pointer;
  font: inherit; font-weight: 600; transition: transform .12s, box-shadow .12s, background .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--blue), #1d4ed8); color: #fff; box-shadow: 0 4px 14px -4px rgba(37,99,235,.5); }
.btn-danger { background: #fee2e2; color: #b91c1c; }
.btn-danger:hover { background: var(--err); color: #fff; }
.btn-ghost { background: #eef2f7; color: #334155; }
.btn-mini { padding: 5px 11px; font-size: .8em; border-radius: 8px; background: #eef2f7; color: #334155; border: none; cursor: pointer; }
.btn-mini.danger { color: #b91c1c; background: #fee2e2; }

/* ── Estructura ─────────────────────────────────── */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 250px; flex-shrink: 0; position: sticky; top: 0; height: 100vh; overflow-y: auto;
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #cbd5e1; display: flex; flex-direction: column;
}
.brand { padding: 24px 20px 16px; }
.brand img { max-width: 150px; display: block; }
.brand-sub { font-size: .72em; letter-spacing: .14em; text-transform: uppercase; color: #7dd3fc; margin-top: 8px; font-weight: 700; }
.sidebar nav { flex: 1; padding: 8px 12px; }
.sidebar nav a {
  display: flex; align-items: center; gap: 10px; color: #cbd5e1; padding: 9px 12px;
  border-radius: 9px; margin: 2px 0; font-size: .93em; transition: background .15s;
}
.sidebar nav a:hover { background: rgba(255,255,255,.07); color: #fff; }
.sidebar nav a.on { background: rgba(56,189,248,.16); color: #fff; font-weight: 600; }
.sidebar nav a span { width: 20px; text-align: center; }
.nav-title { font-size: .68em; letter-spacing: .12em; text-transform: uppercase; color: #64748b; margin: 16px 12px 6px; font-weight: 700; }
.dot { width: 7px; height: 7px; border-radius: 50%; margin-left: auto; }
.side-user { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-top: 1px solid rgba(255,255,255,.08); }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--sky), var(--blue)); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; }
.su-name { font-size: .85em; font-weight: 600; color: #fff; }
.su-role { font-size: .72em; color: #7dd3fc; }
.logout { margin-left: auto; color: #94a3b8; font-size: 1.1em; }
.logout:hover { color: #f87171; }

.main { flex: 1; padding: 28px 34px 60px; max-width: 1200px; }
.topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.crumbs { font-size: .82em; color: var(--muted); margin-bottom: 6px; }
.doc-subtitle { color: var(--muted); margin: 2px 0 0; }
.search-mini input { width: 300px; border-radius: 999px; padding: 10px 18px; }
.sec-title { margin: 26px 0 12px; color: var(--navy); display: flex; align-items: center; gap: 8px; }

/* ── Tarjetas de estadísticas ───────────────────── */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
.stat-card { background: var(--card); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }
.stat-num { font-size: 1.9em; font-weight: 800; color: var(--navy); letter-spacing: -.03em; }
.stat-lbl { color: var(--muted); font-size: .85em; }

/* ── Tarjetas de área ───────────────────────────── */
.area-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; }
.area-card {
  background: var(--card); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow);
  border-top: 4px solid var(--c); color: var(--txt); transition: transform .15s, box-shadow .15s;
  position: relative; overflow: hidden;
}
.area-card:not(.static):hover { transform: translateY(-3px); box-shadow: 0 12px 30px -10px rgba(15,23,42,.2); }
.area-ico { font-size: 1.7em; }
.area-name { font-weight: 700; margin-top: 8px; }
.area-code { font-size: .74em; color: var(--muted); letter-spacing: .1em; font-weight: 700; }
.area-count { margin-top: 10px; font-size: .84em; color: var(--c); font-weight: 600; }

/* ── Lista de documentos ────────────────────────── */
.doc-list { display: flex; flex-direction: column; gap: 8px; }
.doc-row {
  display: flex; align-items: center; gap: 10px; background: var(--card); border-radius: 12px;
  padding: 10px 14px; box-shadow: var(--shadow); color: var(--txt); transition: transform .12s;
}
.doc-row:hover { transform: translateX(3px); }
.doc-main { display: flex; align-items: center; gap: 14px; flex: 1; min-width: 0; color: var(--txt); padding: 2px; }
.btn-open {
  flex-shrink: 0; display: inline-flex; align-items: center; gap: 5px; background: #eff6ff; color: #1d4ed8;
  border: 1.5px solid #bfdbfe; border-radius: 999px; padding: 6px 13px; font-size: .8em; font-weight: 700;
  white-space: nowrap; transition: background .15s, transform .12s;
}
.btn-open:hover { background: var(--blue); color: #fff; transform: translateY(-1px); }
.btn-open.alt { padding: 6px 9px; background: #f1f5f9; border-color: var(--line); color: #475569; }
.btn-open.alt:hover { background: #334155; color: #fff; }
.doc-ext { font-size: 1.35em; }
.doc-info { flex: 1; min-width: 0; }
.doc-code { font-weight: 700; color: var(--navy); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.doc-title { font-size: .86em; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc-date { font-size: .8em; color: var(--muted); white-space: nowrap; }
.link-count { font-size: .8em; background: #e0f2fe; color: #0369a1; padding: 3px 9px; border-radius: 999px; font-weight: 600; white-space: nowrap; }
.ver { background: #eef2ff; color: #4338ca; font-size: .72em; padding: 2px 8px; border-radius: 999px; font-weight: 700; }
.ver.big { font-size: .5em; vertical-align: middle; }

.badge { background: color-mix(in srgb, var(--c) 14%, white); color: var(--c); font-size: .7em; padding: 2px 9px; border-radius: 999px; font-weight: 700; letter-spacing: .02em; }
.chip { background: color-mix(in srgb, var(--c) 13%, white); color: color-mix(in srgb, var(--c) 80%, black); font-size: .78em; padding: 4px 11px; border-radius: 999px; font-weight: 600; white-space: nowrap; }

/* ── Subida ─────────────────────────────────────── */
.dropzone {
  border: 2.5px dashed #94a3b8; border-radius: 18px; background: var(--card);
  padding: 60px 20px; text-align: center; cursor: pointer; transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone.over { border-color: var(--blue); background: #eff6ff; }
.dz-icon { font-size: 2.6em; }
.dz-text { margin: 10px 0 6px; font-size: 1.05em; }
.dz-hint { color: var(--muted); font-size: .84em; }
.analyzing { display: flex; align-items: center; gap: 16px; background: var(--card); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.spinner { width: 34px; height: 34px; border: 4px solid #dbeafe; border-top-color: var(--blue); border-radius: 50%; animation: spin .8s linear infinite; flex-shrink: 0; }
@keyframes spin { to { transform: rotate(360deg); } }

.review-card { background: var(--card); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); animation: pop .3s ease; }
.ok-card { border-top: 4px solid var(--ok); }
.review-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 18px; }
.review-grid .span2 { grid-column: span 2; }
@media (max-width: 700px) { .review-grid { grid-template-columns: 1fr; } .review-grid .span2 { grid-column: span 1; } }

/* ── Alertas ────────────────────────────────────── */
.alert { border-radius: 11px; padding: 12px 16px; margin: 10px 0; font-size: .92em; background: #eff6ff; color: #1e40af; }
.alert.ok { background: #ecfdf5; color: #065f46; }
.alert.warn { background: #fffbeb; color: #92400e; }
.alert.err { background: #fef2f2; color: #991b1b; }

/* ── Detalle de documento ───────────────────────── */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
@media (max-width: 900px) { .detail-grid { grid-template-columns: 1fr; } }
.card { background: var(--card); border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow); }
.meta-table { width: 100%; border-collapse: collapse; font-size: .92em; }
.meta-table td { padding: 7px 4px; border-bottom: 1px solid #f1f5f9; vertical-align: top; }
.meta-table td:first-child { color: var(--muted); width: 110px; font-weight: 600; }
.resumen { background: #f8fafc; border-left: 4px solid var(--sky); border-radius: 8px; padding: 12px 15px; line-height: 1.55; white-space: pre-line; }

.ref-group { margin-bottom: 14px; }
.ref-group-title { font-size: .8em; font-weight: 700; color: var(--muted); margin-bottom: 7px; text-transform: uppercase; letter-spacing: .05em; }
.chips-row { display: flex; flex-wrap: wrap; gap: 8px; }
.ref-chip {
  display: inline-flex; align-items: center; gap: 6px; background: #f1f5f9; border: 1.5px solid var(--line);
  border-radius: 999px; padding: 6px 13px; font-size: .84em; font-weight: 700; color: #334155;
}
.ref-chip small { font-weight: 500; color: var(--muted); }
.ref-chip.linked { background: #eff6ff; border-color: #bfdbfe; color: #1d4ed8; transition: transform .12s; }
.ref-chip.linked:hover { transform: translateY(-2px); border-color: var(--blue); }
.ref-chip.pending { border-style: dashed; opacity: .75; }
.ref-chip.t-anexo { border-color: #c4b5fd; background: #f5f3ff; color: #6d28d9; }
.ref-chip.t-deriva { border-color: #a7f3d0; background: #ecfdf5; color: #047857; }

/* ── Búsqueda ───────────────────────────────────── */
.search-bar { display: flex; gap: 10px; background: var(--card); padding: 14px; border-radius: var(--radius); box-shadow: var(--shadow); flex-wrap: wrap; }
.search-bar input { flex: 1; min-width: 220px; }
.search-bar select { width: auto; }
.result-card { display: block; background: var(--card); border-radius: 12px; padding: 15px 18px; box-shadow: var(--shadow); margin-bottom: 10px; color: var(--txt); transition: transform .12s; }
.result-card:hover { transform: translateX(3px); }
.result-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.result-frag { font-size: .88em; color: #475569; margin-top: 8px; line-height: 1.5; }
mark { background: #fef08a; border-radius: 3px; padding: 0 2px; }

/* ── Tablas ─────────────────────────────────────── */
.tabla { width: 100%; border-collapse: collapse; font-size: .9em; }
.tabla th { text-align: left; color: var(--muted); font-size: .82em; text-transform: uppercase; letter-spacing: .04em; padding: 8px 6px; border-bottom: 2px solid var(--line); }
.tabla td { padding: 10px 6px; border-bottom: 1px solid #f1f5f9; }
.tabla tr.inactivo td { opacity: .5; }
.pill { font-size: .76em; padding: 3px 10px; border-radius: 999px; font-weight: 700; }
.pill.on { background: #ecfdf5; color: #047857; }
.pill.off { background: #fef2f2; color: #b91c1c; }

.empty { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 34px; text-align: center; color: var(--muted); }

/* ── Pirámide documental ────────────────────────── */
.pyramid-wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 22px; align-items: center; }
@media (max-width: 900px) { .pyramid-wrap { grid-template-columns: 1fr; } }
.pyramid { display: flex; flex-direction: column; align-items: center; gap: 5px; padding: 8px 0; }
.pyr-level {
  display: flex; align-items: center; justify-content: center; gap: 10px; min-width: 150px;
  background: linear-gradient(135deg, var(--c), color-mix(in srgb, var(--c) 70%, black));
  color: #fff; padding: 13px 10px; font-weight: 700; font-size: .88em; text-align: center;
  clip-path: polygon(7% 0, 93% 0, 100% 100%, 0 100%);
  transition: transform .15s, filter .15s; cursor: pointer;
}
.pyr-level:first-child { clip-path: polygon(22% 0, 78% 0, 100% 100%, 0 100%); padding-top: 16px; font-size: .8em; }
.pyr-level.otros { clip-path: none; border-radius: 8px; margin-top: 6px; opacity: .85; }
.pyr-level:hover { transform: scale(1.03); filter: brightness(1.1); }
.pyr-level.sel { outline: 3px solid var(--navy); outline-offset: 2px; filter: brightness(1.08); }
.pyr-count { background: rgba(255,255,255,.25); border-radius: 999px; padding: 1px 10px; font-size: .85em; }
.pyr-legend { display: flex; flex-direction: column; gap: 10px; }
.pyr-leg-item { display: flex; gap: 10px; align-items: flex-start; font-size: .88em; }
.pyr-leg-item i { width: 14px; height: 14px; border-radius: 4px; margin-top: 3px; flex-shrink: 0; }

/* ── Árbol documental ───────────────────────────── */
.tree { display: flex; flex-direction: column; gap: 12px; }
.tree summary { list-style: none; cursor: pointer; user-select: none; }
.tree summary::-webkit-details-marker { display: none; }
.tw-caret { display: inline-block; transition: transform .18s; color: var(--muted); width: 14px; }
details[open] > summary .tw-caret { transform: rotate(90deg); }
.tree-area {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  border-left: 5px solid var(--c); overflow: hidden;
}
.tree-area > summary { display: flex; align-items: center; gap: 10px; padding: 15px 18px; font-size: 1.02em; transition: background .15s; }
.tree-area > summary:hover { background: #f8fafc; }
.tw-ico { font-size: 1.25em; }
.tw-name { font-weight: 800; color: var(--navy); }
.tw-code { font-size: .72em; font-weight: 700; letter-spacing: .1em; color: var(--muted); background: #f1f5f9; padding: 2px 9px; border-radius: 999px; }
.tw-count { margin-left: auto; font-size: .8em; color: var(--muted); font-weight: 600; }
.tree-empty { padding: 6px 22px 16px 46px; color: var(--muted); font-size: .88em; }
.tree-tipo { margin: 0 14px 10px 30px; border-left: 2.5px solid color-mix(in srgb, var(--c) 40%, white); }
.tree-tipo > summary { display: flex; align-items: center; gap: 8px; padding: 7px 10px; font-weight: 700; font-size: .9em; color: #334155; border-radius: 8px; }
.tree-tipo > summary:hover { background: #f8fafc; }
.tt-dot { width: 10px; height: 10px; border-radius: 3px; background: var(--c); }
.tree-docs { display: flex; flex-direction: column; gap: 4px; padding: 4px 8px 8px 20px; }
.tree-doc { display: flex; align-items: center; gap: 8px; border-radius: 9px; padding: 5px 8px; transition: background .13s; }
.tree-doc:hover { background: #f1f5f9; }
.td-main { display: flex; align-items: center; gap: 9px; flex: 1; min-width: 0; color: var(--txt); }
.td-ext { font-size: 1.1em; }
.td-code { font-weight: 700; color: var(--navy); white-space: nowrap; }
.td-title { font-size: .84em; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.td-actions { display: flex; gap: 6px; flex-shrink: 0; }

@media (max-width: 860px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; }
  .main { padding: 18px; }
  .search-mini input { width: 100%; }
}