:root {
  --bg: #0f1720; --panel: #17212b; --panel2: #1e2b38; --line: #2b3a48;
  --txt: #e6edf3; --muted: #8aa0b2; --accent: #4aa3ff;
  --ideal: #16a34a; --muy_bien: #65a30d; --bien: #ca8a04; --no: #dc2626;
  --radius: 10px;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--txt); font-size: 15px; }
a { color: var(--accent); text-decoration: none; }
button { cursor: pointer; font: inherit; }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { background: var(--panel); padding: 32px; border-radius: 14px; width: 340px;
  border: 1px solid var(--line); }
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-card .sub { margin: 0 0 20px; color: var(--muted); font-size: 13px; }
.login-card label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--muted); }
.login-card input { width: 100%; margin-top: 5px; padding: 10px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--txt); }
.login-card button { width: 100%; padding: 11px; border: 0; border-radius: 8px;
  background: var(--accent); color: #001; font-weight: 700; }
.login-card .error { background: #3b1414; color: #ffb4b4; padding: 8px 10px; border-radius: 8px;
  font-size: 13px; margin-bottom: 14px; }

/* ---------- topbar + contadores ---------- */
.topbar { display: flex; justify-content: space-between; align-items: center;
  padding: 10px 18px; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 18px; }
.brand nav a { padding: 6px 10px; border-radius: 8px; color: var(--muted); }
.brand nav a.active { background: var(--panel2); color: var(--txt); }
.user { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; }
.user .logout { color: #ff8a8a; }

.counters { display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 12px 18px; background: var(--panel2); border-bottom: 1px solid var(--line); }
.counter { display: flex; flex-direction: column; align-items: center; min-width: 62px;
  background: var(--panel); padding: 6px 10px; border-radius: var(--radius); border: 1px solid var(--line); }
.counter .num { font-size: 20px; font-weight: 800; line-height: 1; }
.counter .lbl { font-size: 11px; color: var(--muted); margin-top: 3px; white-space: nowrap; }
.counter.total .num { color: var(--accent); }
.counter.cat-ideal .num { color: var(--ideal); }
.counter.cat-muy_bien .num { color: var(--muy_bien); }
.counter.cat-bien .num { color: var(--bien); }
.counter.cat-no .num { color: var(--no); }
.counters .sep { width: 1px; align-self: stretch; background: var(--line); }
.color-toggle { margin-left: auto; display: flex; align-items: center; gap: 7px;
  font-size: 13px; color: var(--muted); white-space: nowrap; cursor: pointer; }
.color-toggle input { margin: 0; }
.recalc { background: var(--panel); color: var(--txt);
  border: 1px solid var(--line); padding: 9px 14px; border-radius: var(--radius); }
.recalc:hover { border-color: var(--accent); }
.recalc:disabled { opacity: .6; cursor: default; }
.v-dist.nodist { color: var(--muted); }
.hidden { display: none !important; }

/* ---------- clasificar ---------- */
.clasificar { display: grid; grid-template-columns: 260px 1fr; gap: 18px; padding: 18px;
  align-items: start; }
.filtros { background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px; position: sticky; top: 18px; }
.filtros-head { display: none; width: 100%; justify-content: space-between; align-items: center;
  background: transparent; border: 0; color: var(--txt); font-size: 15px; font-weight: 700;
  padding: 0 0 12px; }
.filtros-head .chev { transition: transform .2s; }
.filtros.collapsed .filtros-head { padding-bottom: 0; }
.filtros.collapsed .filtros-head .chev { transform: rotate(-90deg); }
.filtros.collapsed .filtros-body { display: none; }
.filtros label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.filtros select, .filtros input[type=number] { width: 100%; margin-top: 4px; padding: 8px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px; color: var(--txt); }
.filtros label.chk { display: flex; align-items: center; gap: 8px; }
.filtros label.chk input { margin: 0; }
.orden-crit { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; margin-bottom: 12px; }
.orden-crit-title { display: block; font-size: 11px; color: var(--muted); margin-bottom: 6px; }
.orden-crit label.chk { margin-bottom: 6px; font-size: 13px; color: var(--txt); }
.orden-crit label.chk:last-child { margin-bottom: 0; }
.filtros .hint { font-size: 11px; color: var(--muted); line-height: 1.6; }
.ghost { background: transparent; border: 1px solid var(--line); color: var(--txt);
  padding: 8px 12px; border-radius: 8px; }
.ghost:hover:not(:disabled) { border-color: var(--accent); }
.ghost:disabled { opacity: .4; cursor: default; }

.viewer { display: flex; flex-direction: column; gap: 14px; }
.viewer-nav { display: flex; align-items: center; justify-content: center; gap: 18px; }
.viewer-nav button { background: var(--panel); border: 1px solid var(--line); color: var(--txt);
  padding: 9px 16px; border-radius: 8px; }
.viewer-nav .pos { font-variant-numeric: tabular-nums; color: var(--muted); min-width: 80px;
  text-align: center; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 22px; min-height: 260px; }
.v-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.v-num { font-family: ui-monospace, monospace; background: var(--panel2); padding: 3px 8px;
  border-radius: 6px; font-size: 13px; }
.v-esp { font-weight: 700; color: var(--accent); }
.v-centro { font-size: 20px; font-weight: 700; margin: 6px 0; }
.v-loc { color: var(--muted); margin-bottom: 14px; }
.v-dist { color: var(--txt); }
.cod { color: var(--muted); font-size: 12px; font-family: ui-monospace, monospace; }
.v-grid { display: grid; grid-template-columns: 130px 1fr; gap: 6px 14px; margin: 0; }
.v-grid dt { color: var(--muted); font-size: 13px; }
.v-grid dd { margin: 0; }
.empty { color: var(--muted); text-align: center; padding: 60px 0; }

.clas-buttons { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.clasbtn { padding: 13px; border-radius: 10px; border: 2px solid var(--line);
  background: var(--panel); color: var(--txt); text-align: left; font-weight: 600; }
.clasbtn.cat-ideal { border-color: var(--ideal); }
.clasbtn.cat-muy_bien { border-color: var(--muy_bien); }
.clasbtn.cat-bien { border-color: var(--bien); }
.clasbtn.cat-no { border-color: var(--no); }
.clasbtn.quitar { grid-column: 1 / -1; text-align: center; color: var(--muted); font-weight: 500; }
.clasbtn.activa.cat-ideal { background: var(--ideal); color: #fff; }
.clasbtn.activa.cat-muy_bien { background: var(--muy_bien); color: #fff; }
.clasbtn.activa.cat-bien { background: var(--bien); color: #111; }
.clasbtn.activa.cat-no { background: var(--no); color: #fff; }

.badge { font-size: 11px; padding: 3px 8px; border-radius: 20px; color: #fff; font-weight: 700; }
.badge.cat-ideal { background: var(--ideal); }
.badge.cat-muy_bien { background: var(--muy_bien); }
.badge.cat-bien { background: var(--bien); color: #111; }
.badge.cat-no { background: var(--no); }

/* ---------- ordenar ---------- */
.ordenar { padding: 18px; max-width: 1000px; margin: 0 auto; }
.orden-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px;
  flex-wrap: wrap; margin-bottom: 6px; }
.orden-toolbar .left { display: flex; align-items: center; gap: 14px; }
.orden-toolbar select { padding: 7px; background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px; color: var(--txt); }
.orden-toolbar .right { display: flex; gap: 8px; flex-wrap: wrap; }
.sel-info { color: var(--muted); font-size: 13px; }
.hint { color: var(--muted); font-size: 12px; margin: 6px 0 14px; }

.orden-lista { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.orden-item { display: flex; align-items: stretch; gap: 10px; padding: 8px 12px 8px 0;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  user-select: none; }
.orden-item.sel { border-color: var(--accent); background: #14263a; }
.orden-item .gutter { display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding-top: 2px; }
/* asa de arrastre: objetivo táctil grande, sin interferir el scroll */
.orden-item .drag { color: var(--muted); cursor: grab; font-size: 20px; line-height: 1;
  padding: 6px 12px; touch-action: none; align-self: stretch; display: flex; align-items: center; }
.orden-item .drag:active { cursor: grabbing; }
.orden-item .pos { font-variant-numeric: tabular-nums; color: var(--muted); min-width: 24px;
  text-align: center; font-size: 13px; }
.cat-dot { width: 20px; height: 20px; border-radius: 50%; display: inline-flex;
  align-items: center; justify-content: center; font-size: 11px; font-weight: 800; color: #fff; }
.cat-dot.empty { background: transparent; border: 1.5px dashed var(--line); }
.cat-dot.cat-ideal { background: var(--ideal); }
.cat-dot.cat-muy_bien { background: var(--muy_bien); }
.cat-dot.cat-bien { background: var(--bien); color: #111; }
.cat-dot.cat-no { background: var(--no); }
.orden-item .body { display: flex; flex-direction: column; gap: 2px; overflow: hidden;
  padding: 4px 0; flex: 1; min-width: 0; }
.orden-item.ghost { opacity: .35; }
.oi-line { display: block; line-height: 1.35; }
.oi-num { display: flex; align-items: center; gap: 8px; }
.oi-num .cod { font-size: 13px; color: var(--txt); }
.oi-centro b { font-weight: 700; }
.oi-loc, .oi-tipo, .oi-func, .oi-asig { color: var(--muted); font-size: 12.5px; }

.campos-wrap { position: relative; display: inline-block; }
.campos-panel { position: absolute; right: 0; top: calc(100% + 6px); z-index: 30;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
  min-width: 210px; box-shadow: 0 8px 24px rgba(0,0,0,.4); }
.campos-panel strong { display: block; font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.campos-panel label { display: flex; align-items: center; gap: 8px; font-size: 13px; margin: 6px 0; }
.campos-panel label input { margin: 0; }
.orden-lista.dragging { cursor: grabbing; }
.orden-lista.dragging .orden-item { transition: none; }

/* ---------- toast ---------- */
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #0b141c; border: 1px solid var(--line); padding: 11px 18px; border-radius: 10px;
  opacity: 0; pointer-events: none; transition: .2s; z-index: 50; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.ok { border-color: var(--ideal); }
.toast.warn { border-color: var(--no); }

@media (max-width: 760px) {
  .clasificar { grid-template-columns: 1fr; }
  .filtros { position: static; }
  .filtros-head { display: flex; }
  .clas-buttons { grid-template-columns: 1fr; }
  .counters { gap: 10px; }
  .color-toggle { margin-left: 0; }
  .orden-toolbar .right { width: 100%; }
  .orden-item .drag { padding: 12px 18px; font-size: 26px; }
  .orden-item { gap: 6px; }
}