/* Sistema de diseño api-sii — ver README_DISENO.md en la raíz del proyecto. */

:root {
  --bg:#f0f2f5; --bg2:#fff; --bg3:#f7f8fa; --bg4:#e8eaed; --bg5:#dfe2e7;
  --text:#0d0f12; --text2:#555f6e; --text3:#8a93a2;
  --border:rgba(0,0,0,.08); --border2:rgba(0,0,0,.13);
  --accent:#4f8ef7; --accent-bg:rgba(79,142,247,.12);
  --green:#2ecf8a; --green-bg:rgba(46,207,138,.1);
  --red:#f25c5c; --red-bg:rgba(242,92,92,.1);
  --amber:#f5a623; --amber-bg:rgba(245,166,35,.1);
  --purple:#a78bfa; --teal:#22d3ee;
  --sidebar:220px; --topbar:56px; --r:10px; --rl:14px;
  --font:'DM Sans',system-ui,sans-serif; --mono:'DM Mono',monospace;
  --shadow:0 12px 30px rgba(20,28,40,.12);
}

html.dark {
  --bg:#0d0f12; --bg2:#13161b; --bg3:#1a1e25; --bg4:#21262f; --bg5:#272d38;
  --text:#e8edf5; --text2:#8a93a2; --text3:#555f6e;
  --border:rgba(255,255,255,.07); --border2:rgba(255,255,255,.13);
  --shadow:0 12px 30px rgba(0,0,0,.25);
}

*,*::before,*::after { box-sizing:border-box; }
html { min-height:100%; color-scheme:light; }
html.dark { color-scheme:dark; }
body {
  min-height:100vh; margin:0; background:var(--bg)!important;
  color:var(--text)!important; font-family:var(--font)!important;
  -webkit-font-smoothing:antialiased;
}
a { color:var(--accent); }
code,pre,.gh-mono { font-family:var(--mono); }

/* Sidebar y logo */
.gh-sidebar {
  position:fixed; z-index:100; inset:0 auto 0 0; display:flex;
  width:var(--sidebar); height:100vh; flex-direction:column; overflow-y:auto;
  border-right:1px solid var(--border); background:var(--bg2);
  transition:transform .25s ease;
}
.gh-sidebar::-webkit-scrollbar { width:3px; }
.gh-sidebar::-webkit-scrollbar-thumb { border-radius:2px; background:var(--border2); }
.gh-logo {
  display:flex; min-height:64px; flex-shrink:0; align-items:center; gap:10px;
  padding:11px 14px; border-bottom:1px solid var(--border);
  color:var(--text); text-decoration:none;
}
.gh-logo:hover { color:var(--text); }
.gh-logo img { max-width:155px; max-height:42px; object-fit:contain; }
.gh-logo-mark {
  display:grid; width:34px; height:34px; flex:0 0 34px; place-items:center;
  border-radius:var(--r); background:var(--accent); color:#fff; font-weight:700;
}
.gh-logo-text { overflow:hidden; font-size:14px; font-weight:700; text-overflow:ellipsis; white-space:nowrap; }

/* Menú */
.gh-nav { flex:1; padding-bottom:16px; }
.gh-nav-sec {
  padding:14px 12px 5px; color:var(--text3); font-size:10px;
  font-weight:600; letter-spacing:.08em; text-transform:uppercase;
}
.gh-nav-item {
  position:relative; display:flex; width:calc(100% - 16px); align-items:center;
  gap:9px; margin:1px 8px; padding:7px 10px; border:0;
  border-radius:var(--r); background:transparent; color:var(--text2);
  cursor:pointer; font-size:13px; line-height:1.4; text-align:left;
  text-decoration:none; transition:background .13s,color .13s;
}
.gh-nav-item:hover { background:var(--bg3); color:var(--text); }
.gh-nav-item.active { background:var(--accent-bg); color:var(--accent); font-weight:600; }
.gh-nav-item.active::before {
  position:absolute; left:-8px; width:3px; height:18px;
  border-radius:0 2px 2px 0; background:var(--accent); content:'';
}
.gh-nav-icon { width:16px; flex-shrink:0; font-size:14px; text-align:center; }
.gh-nav-arrow { margin-left:auto; font-size:11px; transition:transform .2s; }
.gh-nav-parent.open .gh-nav-arrow { transform:rotate(90deg); }
.gh-submenu { max-height:0; overflow:hidden; transition:max-height .25s ease; }
.gh-submenu.open { max-height:650px; }
.gh-submenu .gh-nav-item { padding-left:32px; font-size:12px; }

/* Topbar */
.gh-topbar {
  position:fixed; z-index:90; inset:0 0 auto var(--sidebar); display:flex;
  height:var(--topbar); align-items:center; justify-content:space-between;
  gap:12px; padding:0 20px; border-bottom:1px solid var(--border);
  background:var(--bg2);
}
.gh-topbar-left,.gh-topbar-right { display:flex; align-items:center; gap:9px; }
.gh-topbar-left { min-width:0; flex:1; }
.gh-topbar-right { flex-shrink:0; }
.gh-topbar-title { overflow:hidden; font-size:14px; font-weight:600; text-overflow:ellipsis; white-space:nowrap; }
.gh-icon-btn,.gh-hamburger {
  display:grid; width:34px; height:34px; place-items:center; padding:0;
  border:0; border-radius:var(--r); background:transparent; color:var(--text2);
  cursor:pointer; font-size:17px; line-height:1;
}
.gh-icon-btn:hover,.gh-hamburger:hover { background:var(--bg3); color:var(--text); }
.gh-hamburger { display:none; font-size:21px; }

/* Usuario */
.gh-user-wrap { position:relative; }
.gh-user-trigger {
  display:flex; align-items:center; gap:8px; padding:5px 8px; border:0;
  border-radius:var(--r); background:transparent; color:var(--text2);
  cursor:pointer; font-size:13px;
}
.gh-user-trigger:hover,.gh-user-trigger[aria-expanded='true'] { background:var(--bg3); color:var(--text); }
.gh-user-avatar {
  display:grid; width:28px; height:28px; flex-shrink:0; place-items:center;
  border-radius:50%; background:var(--accent-bg); color:var(--accent);
  font-size:12px; font-weight:700;
}
.gh-user-menu {
  position:absolute; top:calc(100% + 9px); right:0; display:none;
  min-width:210px; padding:6px; border:1px solid var(--border2);
  border-radius:var(--r); background:var(--bg2); box-shadow:var(--shadow);
}
.gh-user-wrap.open .gh-user-menu { display:block; }
.gh-user-menu a,.gh-user-menu button {
  display:flex; width:100%; align-items:center; gap:9px; padding:9px 10px;
  border:0; border-radius:7px; background:transparent; color:var(--text2);
  font-size:13px; text-align:left; text-decoration:none;
}
.gh-user-menu a:hover,.gh-user-menu button:hover { background:var(--bg3); color:var(--text); }
.gh-user-menu .danger:hover { background:var(--red-bg); color:var(--red); }
.gh-user-divider { height:1px; margin:5px 0; background:var(--border); }

/* Contenido */
.gh-main { min-height:100vh; margin-left:var(--sidebar); padding-top:var(--topbar); background:var(--bg); }
.gh-content { padding:24px; }
.gh-overlay {
  position:fixed; z-index:99; inset:0; display:none;
  background:rgba(0,0,0,.55); backdrop-filter:blur(2px);
}
.gh-overlay.open { display:block; }
.app-page { max-width:1440px; margin:0 auto; padding:2px 0 28px; }
.app-page-header {
  display:flex; align-items:flex-start; justify-content:space-between;
  gap:16px; margin-bottom:20px; flex-wrap:wrap;
}
.app-page-heading { min-width:0; }
.app-page-eyebrow { margin-bottom:3px; color:var(--text3); font-size:10px; font-weight:700; letter-spacing:.09em; text-transform:uppercase; }
.app-page-title { margin:0; color:var(--text); font-size:20px; font-weight:700; line-height:1.25; }
.app-page-description { margin:4px 0 0; color:var(--text2); font-size:13px; line-height:1.45; }
.app-page-actions { display:flex; align-items:center; justify-content:flex-end; gap:8px; flex-wrap:wrap; }

/* Paneles */
.app-panel { overflow:hidden; border:1px solid var(--border); border-radius:var(--rl); background:var(--bg2); }
.app-panel-header { display:flex; align-items:center; justify-content:space-between; gap:12px; padding:14px 18px; border-bottom:1px solid var(--border); }
.app-panel-title { margin:0; color:var(--text); font-size:13px; font-weight:700; }
.app-panel-subtitle { margin:3px 0 0; color:var(--text3); font-size:11px; }
.app-panel-body { padding:18px; }
.app-panel-footer { padding:13px 18px; border-top:1px solid var(--border); background:var(--bg3); }
.app-panel-icon { display:grid; width:34px; height:34px; place-items:center; border-radius:var(--r); background:var(--accent-bg); color:var(--accent); }
.app-form-grid { display:grid; grid-template-columns:minmax(0,1fr) 340px; gap:18px; align-items:start; }
.app-form-sidebar { position:sticky; top:calc(var(--topbar) + 16px); }

/* Filtros */
.app-filter-row { display:grid; grid-template-columns:repeat(4,minmax(130px,180px)) minmax(170px,1fr); align-items:end; gap:12px; }
.app-filter-field { min-width:0; }
.app-filter-actions { display:flex; min-height:34px; align-items:center; justify-content:flex-end; gap:8px; }
.app-filter-row .form-label { margin-bottom:4px; color:var(--text3)!important; font-size:10px!important; font-weight:700; letter-spacing:.06em; text-transform:uppercase; }
.app-empty-state { padding:38px 16px; color:var(--text3); font-size:13px; text-align:center; }
.app-empty-state i { display:block; margin-bottom:8px; font-size:28px; }

/* Estadísticas */
.app-stat-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:14px; }
.app-stat { padding:17px; border:1px solid var(--border); border-radius:var(--rl); background:var(--bg2); }
.app-stat-head { display:flex; align-items:center; justify-content:space-between; gap:8px; }
.app-stat-label { color:var(--text2); font-size:12px; font-weight:600; }
.app-stat-icon { display:grid; width:34px; height:34px; place-items:center; border-radius:var(--r); background:var(--accent-bg); color:var(--accent); }
.app-stat-value { margin-top:12px; font-size:24px; font-weight:700; letter-spacing:-.03em; }
.app-stat-detail { margin-top:3px; color:var(--text3); font-size:11px; }

/* Bootstrap adaptado */
.card { border:1px solid var(--border)!important; border-radius:var(--rl)!important; background:var(--bg2)!important; color:var(--text)!important; box-shadow:none!important; }
.card-header,.card-footer { border-color:var(--border)!important; background:var(--bg3)!important; color:var(--text)!important; }
.card-body { background:var(--bg2)!important; color:var(--text)!important; }
.card-text { color:var(--text2)!important; }
.btn { border-radius:var(--r)!important; font-size:13px!important; font-weight:500!important; }
.btn-primary { border-color:var(--accent)!important; background:var(--accent)!important; color:#fff!important; }
.btn-success { border-color:var(--green)!important; background:var(--green)!important; color:#fff!important; }
.btn-danger { border-color:var(--red)!important; background:var(--red)!important; color:#fff!important; }
.btn-warning { border-color:var(--amber)!important; background:var(--amber)!important; color:#fff!important; }
.btn-secondary { border-color:var(--border2)!important; background:var(--bg4)!important; color:var(--text2)!important; }
.btn-outline-primary { border-color:var(--accent)!important; color:var(--accent)!important; }
.btn-outline-primary:hover { background:var(--accent-bg)!important; color:var(--accent)!important; }
.btn-outline-danger { border-color:var(--red)!important; color:var(--red)!important; }
.btn-outline-danger:hover { background:var(--red-bg)!important; color:var(--red)!important; }
.btn-outline-secondary { border-color:var(--border2)!important; color:var(--text2)!important; }
.btn-outline-secondary:hover { background:var(--bg3)!important; color:var(--text)!important; }
.form-control,.form-select {
  border-color:var(--border2)!important; border-radius:var(--r)!important;
  background-color:var(--bg3)!important; color:var(--text)!important;
  font-family:var(--font)!important; font-size:13px!important;
}
.form-control:focus,.form-select:focus { border-color:var(--accent)!important; box-shadow:0 0 0 3px var(--accent-bg)!important; }
.form-control::placeholder { color:var(--text3)!important; }
.form-label { color:var(--text)!important; font-size:13px!important; }
.form-text { color:var(--text2)!important; }
.input-group-text { border-color:var(--border2)!important; background:var(--bg3)!important; color:var(--text2)!important; }
.table { --bs-table-bg:transparent; --bs-table-color:var(--text); margin-bottom:0; color:var(--text)!important; }
.table>:not(caption)>*>* { border-color:var(--border)!important; }
.table thead th { background:var(--bg3)!important; color:var(--text3)!important; font-size:10px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; }
.table-hover>tbody>tr:hover>* { background:var(--bg3)!important; color:var(--text)!important; }
.badge { border-radius:999px!important; font-weight:600!important; }
.bg-primary { background:var(--accent)!important; }
.bg-success { background:var(--green)!important; }
.bg-danger { background:var(--red)!important; }
.bg-warning { background:var(--amber)!important; color:#fff!important; }
.bg-secondary { background:var(--bg4)!important; color:var(--text2)!important; }
.dropdown-menu,.modal-content { border:1px solid var(--border2)!important; border-radius:var(--r)!important; background:var(--bg2)!important; color:var(--text)!important; box-shadow:var(--shadow)!important; }
.dropdown-item { color:var(--text2)!important; font-size:13px!important; }
.dropdown-item:hover,.dropdown-item:focus { background:var(--bg3)!important; color:var(--text)!important; }
.dropdown-divider,.modal-header,.modal-footer { border-color:var(--border)!important; }
.modal-header,.modal-footer { background:var(--bg3)!important; }
.modal-body { background:var(--bg2)!important; color:var(--text)!important; }
.btn-close { filter:none; }
html.dark .btn-close { filter:invert(1) grayscale(1); }

@media (max-width:1050px) {
  .app-stat-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:900px) {
  .gh-sidebar { transform:translateX(calc(-1 * var(--sidebar))); }
  .gh-sidebar.open { transform:translateX(0); }
  .gh-topbar { left:0; }
  .gh-main { margin-left:0; }
  .gh-hamburger { display:grid; }
  .app-form-grid { grid-template-columns:1fr; }
  .app-form-sidebar { position:static; }
  .app-filter-row { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .app-filter-actions { grid-column:1/-1; justify-content:flex-start; }
}
@media (max-width:640px) {
  .gh-content { padding:16px; }
  .gh-user-name { display:none; }
  .app-page-header { align-items:stretch; }
  .app-page-actions { width:100%; justify-content:flex-start; }
  .app-stat-grid,.app-filter-row { grid-template-columns:1fr; }
  .app-filter-actions { grid-column:auto; }
}

/* Gráficos (gh-charts.js) */
.gh-chart-toolbar { display:flex; align-items:center; justify-content:space-between; gap:8px; margin-bottom:10px; flex-wrap:wrap; }
.gh-chart-legend { display:flex; gap:14px; flex-wrap:wrap; }
.gh-chart-legend-item { display:flex; align-items:center; gap:6px; font-size:12px; color:var(--text2); }
.gh-chart-tooltip {
  position:absolute; pointer-events:none; background:var(--bg2); border:1px solid var(--border2);
  border-radius:var(--r); padding:8px 10px; font-size:12px; box-shadow:var(--shadow); z-index:5; min-width:150px;
}
.gh-tt-date { font-weight:700; color:var(--text); margin-bottom:4px; }
.gh-tt-row { display:flex; align-items:center; gap:6px; color:var(--text2); padding:1px 0; }
.gh-tt-key { width:10px; height:0; border-top:3px solid; display:inline-block; flex-shrink:0; }
.gh-tt-val { margin-left:auto; color:var(--text); font-weight:600; padding-left:10px; }

@media print {
  .gh-sidebar,.gh-topbar,.gh-overlay { display:none!important; }
  .gh-main { margin:0; padding:0; }
  .gh-content { padding:0; }
}