/* =============================================================================
   styles.css  -  Estética técnica oscura para el Simulador de Viento V2.
   ========================================================================== */
:root {
  /* Paleta inspirada en el logo Origen Sostenible 360
     (verde lima #8ec63f · verde bosque #33503a · grises del "360") */
  --bg: #0c100e;
  --panel: #121711;
  --panel-2: #19211a;
  --border: #283528;
  --text: #d6ddd2;
  --text-dim: #8b988c;
  --accent: #8ec63f;        /* verde lima (acento principal) */
  --accent-ink: #16240f;    /* texto sobre el verde lima */
  --accent-2: #4f8f57;      /* verde bosque medio (secundario/hover) */
  --forest: #33503a;        /* verde bosque oscuro */
  --ok: #6aa84f;
  --warn: #e6a417;
  --bad: #d8602f;
  --radius: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 13px/1.45 'Segoe UI', system-ui, sans-serif;
  display: flex; flex-direction: column;
  overflow: hidden;
}

/* ---- Topbar (cabecera de marca, fondo claro) ---- */
#topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 8px 18px; background: #ffffff; border-bottom: 2px solid var(--accent);
  flex: 0 0 auto;
}
.brand { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; }
#brand-logo { height: 48px; width: auto; display: block; }
#brand-logo.missing { display: none; }
.brand-fallback { display: none; font-size: 22px; font-weight: 800; color: var(--accent);
  line-height: 1; letter-spacing: -.01em; }
.brand-fallback b { color: var(--forest); }
#brand-logo.missing ~ .brand-fallback { display: block; }
.brand-by { font-size: 11px; font-weight: 600; color: var(--forest); letter-spacing: .02em; }

.title-block { text-align: center; flex: 1; }
.title-block strong { display: block; font-size: 15px; color: var(--forest); }
.title-block small { font-size: 11px; color: #7a8a7d; }

.modes { display: flex; gap: 6px; }
.mode-btn {
  background: #eef3e7; color: var(--forest); border: 1px solid #d6e3c8;
  padding: 6px 14px; border-radius: var(--radius); cursor: pointer; font-size: 12px;
}
.mode-btn:hover { border-color: var(--accent); }
.mode-btn.active { color: #ffffff; background: var(--forest); border-color: var(--forest); font-weight: 600; }
/* Contrapeso invisible de la marca: mantiene el título centrado en la cabecera. */
.topbar-spacer { flex: 0 0 130px; }

/* ---- Layout ---- */
#layout { flex: 1 1 auto; display: grid; grid-template-columns: 290px 1fr; overflow: hidden; min-height: 0; }
.panel { background: var(--panel); overflow-y: auto; padding: 12px; }
#panel-left { border-right: 1px solid var(--border); }

.grp { margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.grp:last-child { border-bottom: none; }
.grp h3 { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); margin-bottom: 10px; }
.grp label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 10px; }
.grp label span { color: var(--text); font-weight: 600; }
select, input[type=range] { width: 100%; margin-top: 4px; }
select {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px; font-size: 12px;
}
input[type=range] { accent-color: var(--accent); }
.check { display: flex; align-items: center; gap: 8px; }
.check input { width: auto; margin: 0; }

/* ---- Botones ---- */
.btn {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 7px 10px; cursor: pointer; font-size: 12px; flex: 1;
}
.btn:hover { border-color: var(--accent-2); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn.active { outline: 2px solid var(--accent-2); }
.btn.sm { padding: 5px 9px; font-size: 11px; flex: 0 0 auto; }
.row, .run-row, .tool-row { display: flex; gap: 6px; margin-bottom: 8px; align-items: center; }
.tool-row span { font-size: 12px; color: var(--text-dim); }
.tool {
  background: var(--panel-2); color: var(--text-dim); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 8px; cursor: pointer; font-size: 11px;
}
.tool.active { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.hint-zoom { font-size: 10.5px; color: var(--text-dim); margin-top: 2px; }
#zoom-level { font-variant-numeric: tabular-nums; }
.slice-ctrl { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-dim); }
.slice-ctrl select { width: auto; padding: 4px 6px; font-size: 11px; }
.slice-ctrl input[type=range] { width: 90px; }
#slice3d-val { font-variant-numeric: tabular-nums; color: var(--text); }
.file { display: block; font-size: 11px; }
.file input { margin-top: 4px; font-size: 11px; }
.mem-note { font-family: ui-monospace, monospace; font-size: 11px; color: var(--text-dim); margin-top: 6px; }

/* ---- Centro ---- */
#center { display: flex; flex-direction: column; overflow: hidden; background: #070a0e; }
#viz-toolbar {
  display: flex; align-items: center; gap: 12px; padding: 8px 12px;
  background: var(--panel); border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
#viz-toolbar label { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-dim); margin: 0; }
#viz-toolbar select { width: auto; }
.spacer { flex: 1; }
#canvas-wrap { flex: 1; display: flex; align-items: center; justify-content: center; padding: 12px; position: relative; overflow: hidden; }
/* El canvas ocupa toda la zona disponible y la imagen se ajusta dentro
   conservando la proporción de la retícula (`contain`). Así el flujo se ve tan
   grande como permita la ventana, no sólo a su resolución nativa. El «letterbox»
   que deja `contain` se compensa en toCell() (ui.js) al mapear clics a celdas. */
#sim-canvas {
  width: 100%; height: 100%; object-fit: contain;
  image-rendering: auto; border-radius: 4px;
  background: transparent; cursor: cell;
}
.rect-preview {
  position: absolute; pointer-events: none; z-index: 5;
  border: 1.5px dashed var(--accent); background: rgba(142, 198, 63, .18);
  border-radius: 2px;
}
.mode-notice {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: rgba(17,21,29,.95); border: 1px solid var(--accent-2); border-radius: var(--radius);
  padding: 20px 26px; max-width: 460px; font-size: 13px; line-height: 1.6; text-align: center;
}
#legend-row { display: flex; align-items: center; gap: 14px; padding: 8px 12px; background: var(--panel); border-top: 1px solid var(--border); }
#legend { background: transparent; }
.disclaimer { font-size: 10.5px; color: var(--text-dim); line-height: 1.4; }
.disclaimer strong { color: var(--text); }

/* ---- Panel inferior (diagnóstico, resultados, sensores, avisos) ----
   Ocupa el ancho completo bajo el visor: cada bloque es una columna, de modo
   que la zona de visualización del flujo se lleva toda la altura restante. */
#bottom-dock { flex: 0 0 auto; background: var(--panel); border-top: 1px solid var(--border); }
.dock-toggle {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: var(--panel-2); color: var(--text-dim); border: none;
  border-bottom: 1px solid var(--border);
  padding: 4px 14px; cursor: pointer; font: inherit; font-size: 11px; text-align: left;
}
.dock-toggle:hover { color: var(--text); }
.dock-toggle .caret { color: var(--accent); font-size: 10px; transition: transform .15s; }
.dock-toggle .dock-title { text-transform: uppercase; letter-spacing: .06em; }
.dock-summary { margin-left: auto; font-family: ui-monospace, monospace; color: var(--text); }
.dock-summary.ok { color: #7ee08a; }
.dock-summary.warn { color: #ffd472; }
.dock-summary.bad { color: #ff9c7a; }
#bottom-dock.collapsed #panel-bottom { display: none; }
#bottom-dock.collapsed .dock-toggle { border-bottom: none; }
#bottom-dock.collapsed .dock-toggle .caret { transform: rotate(-90deg); }

#panel-bottom {
  max-height: 26vh; overflow-y: auto; padding: 8px 4px;
  display: grid; gap: 0; align-items: start;
  grid-template-columns: 1.5fr 1.5fr .9fr 1.05fr 1.05fr;
}
#panel-bottom .grp {
  margin-bottom: 0; padding: 0 10px;
  border-bottom: none; border-right: 1px solid var(--border);
  min-width: 0;
}
#panel-bottom .grp:last-child { border-right: none; }
#panel-bottom h3 { margin-bottom: 5px; }
/* Con todo el ancho de la ventana disponible, las tablas clave/valor van a dos
   parejas por fila para que el panel quede lo más bajo posible. */
#panel-bottom .diag-grid, #panel-bottom .results {
  grid-template-columns: 1fr auto 1fr auto; gap: 1px 8px; font-size: 11px; line-height: 1.35;
}
#panel-bottom .diag-grid .dv, #panel-bottom .results .rv { padding-right: 10px; }
#panel-bottom .stability { margin-top: 6px; padding: 4px 8px; font-size: 11px; }
#panel-bottom .sensors, #panel-bottom .warnings, #panel-bottom .reco {
  max-height: 108px; overflow-y: auto; font-size: 11px; line-height: 1.4;
}
#panel-bottom .row { margin-bottom: 5px; }
/* Pantallas estrechas: los bloques se reparten en varias filas. */
@media (max-width: 1180px) {
  #panel-bottom { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
}

.diag-grid { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; font-family: ui-monospace, monospace; font-size: 12px; }
.dk { color: var(--text-dim); }
.dv { text-align: right; color: var(--text); }
.stability { margin-top: 10px; padding: 7px 10px; border-radius: 6px; font-weight: 600; font-size: 12px; text-align: center; background: var(--panel-2); }
.stability.ok { background: rgba(46,125,50,.18); color: #7ee08a; }
.stability.warn { background: rgba(249,168,37,.18); color: #ffd472; }
.stability.bad { background: rgba(216,67,21,.2); color: #ff9c7a; }

.results { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; font-size: 12px; }
.rk { color: var(--text-dim); }
.rv { text-align: right; font-family: ui-monospace, monospace; }

.comfort .cbar { display: flex; height: 16px; border-radius: 4px; overflow: hidden; margin-bottom: 8px; }
.comfort .cbar span { display: block; }
.clegend { display: flex; flex-direction: column; gap: 3px; font-size: 11px; }
.clegend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; }

.sensors { display: flex; flex-direction: column; gap: 6px; font-size: 12px; }
.sensors em { color: var(--text-dim); font-size: 11px; }
.sensor { background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; }
.sensor .srow { color: var(--text-dim); font-size: 11px; font-family: ui-monospace, monospace; margin-top: 2px; }
.tag { font-size: 10px; padding: 1px 6px; border-radius: 10px; }
.tag.acc { background: rgba(216,67,21,.25); color: #ff9c7a; }
.tag.rec { background: rgba(56,189,248,.2); color: #9bd9ff; }
.tag.stg { background: rgba(138,149,165,.2); color: #b9c2d0; }
.tag.nrm { background: rgba(46,125,50,.2); color: #7ee08a; }

.warnings { font-size: 11.5px; display: flex; flex-direction: column; gap: 5px; }
.warn-item { color: #ffd472; }
.ok-text { color: #7ee08a; }
.reco { font-size: 12px; line-height: 1.5; color: var(--text); background: var(--panel-2); border-left: 3px solid var(--accent); padding: 8px 10px; border-radius: 4px; }

/* ---- Statusbar ---- */
#statusbar {
  flex: 0 0 auto; display: flex; align-items: center; gap: 18px;
  padding: 6px 16px; background: var(--panel); border-top: 1px solid var(--border);
  font-size: 12px; font-family: ui-monospace, monospace; color: var(--text-dim);
}
#statusbar b { color: var(--text); }
.stab-bar { width: 120px; height: 8px; background: var(--panel-2); border-radius: 4px; overflow: hidden; margin-left: auto; }
.stab-bar div { height: 100%; width: 50%; background: #5a6577; transition: width .4s, background .4s; }
#st-state.run { color: #7ee08a; }
#st-state.pause { color: #ffd472; }

/* ---- Overlay error ---- */
#error-overlay {
  display: none; position: fixed; inset: 0; z-index: 100;
  background: rgba(5,8,12,.92); align-items: center; justify-content: center;
}
#error-overlay .card { background: var(--panel); border: 1px solid var(--bad); border-radius: var(--radius); padding: 28px 32px; max-width: 520px; }
#error-overlay h2 { color: #ff9c7a; margin-bottom: 12px; }
#error-overlay .msg { margin-bottom: 12px; }
#error-overlay .hint { color: var(--text-dim); font-size: 12px; }

/* scrollbars */
.panel::-webkit-scrollbar { width: 8px; }
.panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }