/* Design tokens + estilos compartidos entre login.html e index.html.
   Un solo archivo para que ambas paginas se vean consistentes y cambiar la
   paleta sea un solo lugar. Sin dependencias externas (fuentes/iconos por
   CDN): la CSP es default-src 'self'.

   Tema: claro por defecto, oscuro si el sistema lo pide, y la eleccion
   explicita del usuario (data-theme en <html>, ver theme.js) gana siempre. */

:root {
  color-scheme: light;
  --bg: #f4f5f3;
  --surface: #ffffff;
  --surface-2: #eef1ef;
  --surface-3: #e4e8e6;
  --border: #dde2df;
  --border-strong: #c3cbc7;
  --text: #16201e;
  --text-muted: #4c5956;
  --text-faint: #77837f;
  --accent: #0f766e;
  --accent-hover: #0b5f58;
  --accent-contrast: #ffffff;
  --accent-text: #0d6b63;
  --accent-soft: rgba(15, 118, 110, .09);
  --accent-border: rgba(15, 118, 110, .32);
  --warn-fg: #7a5200;
  --warn-bg: #fff6df;
  --warn-border: #edd18a;
  --danger: #c0392b;
  --danger-text: #9f2a1e;
  --danger-soft: rgba(192, 57, 43, .07);
  --danger-border: rgba(192, 57, 43, .3);
  --ok-fg: #1d6b38;
  --ok-bg: #e3f3e8;
  --plan-fg: #6b4a00;
  --plan-bg: #fbf0d2;
  --unk-fg: #55605d;
  --unk-bg: #e9ecea;
  --overlay: rgba(10, 16, 15, .35);
  --shadow: 0 10px 30px rgba(20, 30, 28, .12);
  --shadow-panel: 0 0 40px rgba(20, 30, 28, .18);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --topbar-h: 56px;
  --font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0b1113;
    --surface: #121a1d;
    --surface-2: #182327;
    --surface-3: #1f2c31;
    --border: #233135;
    --border-strong: #324449;
    --text: #e5edeb;
    --text-muted: #9baba7;
    --text-faint: #66766f;
    --accent: #33bfad;
    --accent-hover: #52d3c1;
    --accent-contrast: #052320;
    --accent-text: #5fd5c4;
    --accent-soft: rgba(51, 191, 173, .11);
    --accent-border: rgba(51, 191, 173, .35);
    --warn-fg: #f2c14e;
    --warn-bg: rgba(242, 193, 78, .09);
    --warn-border: rgba(242, 193, 78, .38);
    --danger: #f85149;
    --danger-text: #ffb4af;
    --danger-soft: rgba(248, 81, 73, .1);
    --danger-border: rgba(248, 81, 73, .35);
    --ok-fg: #7bd89a;
    --ok-bg: rgba(123, 216, 154, .1);
    --plan-fg: #f2c14e;
    --plan-bg: rgba(242, 193, 78, .1);
    --unk-fg: #a3b0ac;
    --unk-bg: rgba(163, 176, 172, .1);
    --overlay: rgba(0, 0, 0, .55);
    --shadow: 0 12px 32px rgba(0, 0, 0, .4);
    --shadow-panel: 0 0 48px rgba(0, 0, 0, .5);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1113;
  --surface: #121a1d;
  --surface-2: #182327;
  --surface-3: #1f2c31;
  --border: #233135;
  --border-strong: #324449;
  --text: #e5edeb;
  --text-muted: #9baba7;
  --text-faint: #66766f;
  --accent: #33bfad;
  --accent-hover: #52d3c1;
  --accent-contrast: #052320;
  --accent-text: #5fd5c4;
  --accent-soft: rgba(51, 191, 173, .11);
  --accent-border: rgba(51, 191, 173, .35);
  --warn-fg: #f2c14e;
  --warn-bg: rgba(242, 193, 78, .09);
  --warn-border: rgba(242, 193, 78, .38);
  --danger: #f85149;
  --danger-text: #ffb4af;
  --danger-soft: rgba(248, 81, 73, .1);
  --danger-border: rgba(248, 81, 73, .35);
  --ok-fg: #7bd89a;
  --ok-bg: rgba(123, 216, 154, .1);
  --plan-fg: #f2c14e;
  --plan-bg: rgba(242, 193, 78, .1);
  --unk-fg: #a3b0ac;
  --unk-bg: rgba(163, 176, 172, .1);
  --overlay: rgba(0, 0, 0, .55);
  --shadow: 0 12px 32px rgba(0, 0, 0, .4);
  --shadow-panel: 0 0 48px rgba(0, 0, 0, .5);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "cv11", "ss01";
}

* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; }
*::-webkit-scrollbar-track { background: transparent; }

a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
kbd {
  font-family: var(--font-mono); font-size: 0.7rem; padding: 0.05rem 0.3rem;
  border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 4px;
  background: var(--surface);
}

/* ---- marca ---- */
.brand { display: flex; align-items: center; gap: 0.65rem; min-width: 0; }
.brand-mark {
  flex: none; width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(140deg, #14857b, #0b4f5e);
  display: flex; align-items: center; justify-content: center;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08);
}
.brand-mark svg { width: 17px; height: 17px; color: #fff; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.brand-title { font-size: 0.93rem; font-weight: 650; color: var(--text); letter-spacing: -0.01em; white-space: nowrap; }
.brand-subtitle { font-size: 0.72rem; color: var(--text-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---- barra superior ---- */
body.app-body { display: flex; flex-direction: column; height: 100vh; height: 100dvh; overflow: hidden; }
.topbar {
  flex: none; height: var(--topbar-h); padding: 0 1rem;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  background: var(--surface); border-bottom: 1px solid var(--border); position: relative; z-index: 20;
}
.topbar-left { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
.topbar-actions { display: flex; align-items: center; gap: 0.25rem; }
.tb-btn {
  display: inline-flex; align-items: center; gap: 0.45rem; height: 34px; padding: 0 0.7rem;
  font: inherit; font-size: 0.82rem; font-weight: 500; color: var(--text-muted);
  background: transparent; border: 1px solid transparent; border-radius: var(--radius-sm);
  cursor: pointer; transition: background .15s, color .15s, border-color .15s; text-decoration: none;
}
.tb-btn svg { width: 16px; height: 16px; flex: none; }
.tb-btn:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.tb-btn[aria-expanded="true"] { background: var(--accent-soft); color: var(--accent-text); border-color: var(--accent-border); }
.tb-btn.armed { color: var(--danger-text); background: var(--danger-soft); border-color: var(--danger-border); }
#theme-btn .icon-moon { display: none; }
:root[data-theme="dark"] #theme-btn .icon-sun { display: none; }
:root[data-theme="dark"] #theme-btn .icon-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) #theme-btn .icon-sun { display: none; }
  :root:not([data-theme="light"]) #theme-btn .icon-moon { display: block; }
}

.menu { position: relative; }
.menu-list {
  position: absolute; right: 0; top: calc(100% + 6px); min-width: 250px; padding: 0.3rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); display: flex; flex-direction: column; z-index: 40;
}
.menu-item {
  font: inherit; font-size: 0.85rem; text-align: left; color: var(--text); background: none;
  border: 0; border-radius: var(--radius-sm); padding: 0.55rem 0.7rem; cursor: pointer;
}
.menu-item:hover, .menu-item:focus-visible { background: var(--surface-2); }

/* ---- layout: explorador | chat | detalle ---- */
.layout { flex: 1; display: flex; min-height: 0; position: relative; }
.chat-col { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.side-panel, .detail-panel {
  display: none; flex-direction: column; min-height: 0; background: var(--surface);
}
.side-panel { flex: none; width: 300px; border-right: 1px solid var(--border); }
.detail-panel { flex: none; width: 460px; border-left: 1px solid var(--border); }
body.pozos-open .side-panel { display: flex; }
body.detail-open .detail-panel { display: flex; }
@media (min-width: 1400px) { .detail-panel { width: 540px; } }

.panel-head {
  flex: none; display: flex; justify-content: space-between; align-items: flex-start; gap: 0.75rem;
  padding: 0.95rem 1rem 0.75rem; border-bottom: 1px solid var(--border);
}
.panel-head h2 { margin: 0; font-size: 0.95rem; font-weight: 650; letter-spacing: -0.01em; }
.panel-sub { margin: 0.15rem 0 0; font-size: 0.75rem; color: var(--text-faint); }
.panel-kicker {
  margin: 0 0 0.2rem; font-size: 0.68rem; font-weight: 650; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--accent-text);
}
.detail-head-text { min-width: 0; }
#detail-title { overflow-wrap: anywhere; }
.icon-btn {
  flex: none; display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: var(--radius-sm); border: 1px solid transparent;
  background: transparent; color: var(--text-faint); cursor: pointer;
}
.icon-btn svg { width: 16px; height: 16px; }
.icon-btn:hover { background: var(--surface-2); color: var(--text); }

.backdrop { display: none; position: fixed; inset: var(--topbar-h) 0 0 0; background: var(--overlay); z-index: 25; }

/* ---- explorador de pozos ---- */
.panel-filters { flex: none; display: flex; flex-direction: column; gap: 0.5rem; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); }
.panel-filters input, .panel-filters select {
  width: 100%; font: inherit; font-size: 0.85rem; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.5rem 0.65rem; outline: none;
}
.panel-filters input:focus, .panel-filters select:focus { border-color: var(--accent); }
.pozo-list { list-style: none; margin: 0; padding: 0.4rem; overflow-y: auto; flex: 1; }
.pozo-item {
  width: 100%; display: flex; flex-direction: column; gap: 0.15rem; text-align: left;
  font: inherit; color: var(--text); background: transparent; border: 1px solid transparent;
  border-radius: var(--radius-sm); padding: 0.5rem 0.6rem; cursor: pointer;
}
.pozo-item:hover { background: var(--surface-2); }
.pozo-item.active { background: var(--accent-soft); border-color: var(--accent-border); }
.pozo-name { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; font-size: 0.84rem; font-weight: 600; font-family: var(--font-mono); }
.pozo-meta { font-size: 0.73rem; color: var(--text-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pozo-empty { padding: 1.5rem 1rem; text-align: center; font-size: 0.82rem; color: var(--text-faint); }
.tag {
  flex: none; font-family: var(--font); font-size: 0.62rem; font-weight: 650; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 0.1rem 0.4rem; border-radius: 4px; color: var(--accent-text); background: var(--accent-soft);
}
.tag.muted { color: var(--text-faint); background: var(--surface-2); }

/* ---- chat ---- */
main#log {
  flex: 1; overflow-y: auto;
  padding: 1.8rem max(1.25rem, calc((100% - 820px) / 2)) 2rem;
}
#log:focus-visible { outline-offset: -2px; }

#empty-state {
  min-height: 60vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  gap: 0.85rem; color: var(--text-muted); padding: 2rem 1rem;
}
#empty-state .brand-mark { width: 54px; height: 54px; border-radius: 15px; margin-bottom: 0.3rem; }
#empty-state .brand-mark svg { width: 28px; height: 28px; }
#empty-state h2 { margin: 0; font-size: 1.3rem; color: var(--text); font-weight: 650; letter-spacing: -0.02em; }
#empty-state p { margin: 0; font-size: 0.92rem; max-width: 440px; line-height: 1.55; }
.chip-groups { display: flex; flex-direction: column; gap: 1.1rem; align-items: center; margin-top: 0.9rem; }
.chip-group { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.chip-group-label { font-size: 0.68rem; font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-faint); }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; max-width: 560px; }
.chip, .chip-cta {
  font: inherit; font-size: 0.83rem; border-radius: 999px; padding: 0.45rem 0.95rem;
  cursor: pointer; transition: border-color .15s, color .15s, background .15s;
}
.chip { color: var(--text-muted); background: var(--surface); border: 1px solid var(--border); }
.chip:hover { border-color: var(--accent); color: var(--text); }
.chip-cta { color: var(--accent-text); background: var(--accent-soft); border: 1px solid var(--accent-border); font-weight: 550; }
.chip-cta:hover { background: var(--accent); color: var(--accent-contrast); }

.msg { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 2rem; animation: fade-in .25s ease; }
@keyframes fade-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

.row-user { display: flex; flex-direction: column; align-items: flex-end; }
.q {
  max-width: 82%; background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text); padding: 0.6rem 0.95rem; border-radius: var(--radius-lg) var(--radius-lg) 4px var(--radius-lg);
  font-size: 0.95rem; line-height: 1.5; white-space: pre-wrap; overflow-wrap: anywhere;
}

.row-assistant { display: flex; align-items: flex-start; gap: 0.7rem; }
.avatar {
  flex: none; width: 28px; height: 28px; border-radius: 8px; margin-top: 0.1rem;
  background: linear-gradient(140deg, #14857b, #0b4f5e); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.62rem; font-weight: 700; letter-spacing: 0.03em;
}
.a-wrap { flex: 1; min-width: 0; }

.a { line-height: 1.65; font-size: 0.95rem; overflow-wrap: anywhere; }
.a.status { color: var(--text-muted); position: relative; padding-left: 1.05rem; }
.a.status::before {
  content: ''; position: absolute; left: 0; top: 0.6em; width: 7px; height: 7px;
  border-radius: 50%; background: var(--accent); animation: pulse 1.1s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: .35; transform: scale(.8); } 50% { opacity: 1; transform: scale(1); } }
@media (prefers-reduced-motion: reduce) {
  .a.status::before, .msg { animation: none; }
}

.a p { margin: 0 0 0.75rem; white-space: pre-wrap; }
.a p:last-child { margin-bottom: 0; }
.a ul, .a ol { margin: 0 0 0.75rem; padding-left: 1.3rem; }
.a li { margin-bottom: 0.3rem; }
.a h3, .a h4, .a h5, .a h6 { margin: 1rem 0 0.4rem; color: var(--text); font-weight: 650; letter-spacing: -0.01em; }
.a code { background: var(--surface-2); border: 1px solid var(--border); border-radius: 4px; padding: 0.1rem 0.4rem; font-size: 0.85em; font-family: var(--font-mono); }
.a strong { color: var(--text); font-weight: 650; }

/* citas [id] clickeables dentro del texto */
.cite-group { font-size: 0.72em; color: var(--text-faint); }
.cite { color: var(--accent-text); text-decoration: none; font-weight: 650; padding: 0 .1em; border-radius: 3px; }
.cite:hover { background: var(--accent-soft); text-decoration: underline; }
.cite-invalid { color: var(--danger); text-decoration: line-through; }
.cite-warning { margin: 0.5rem 0 0; font-size: 0.78rem; color: var(--danger-text); }

/* fuentes citadas */
.sources { margin-top: 0.8rem; }
.sources summary {
  color: var(--text-faint); font-size: 0.8rem; cursor: pointer; list-style: none;
  display: inline-flex; align-items: center; gap: 0.35rem; user-select: none;
}
.sources summary::-webkit-details-marker { display: none; }
.sources summary::before { content: '▸'; font-size: 0.65rem; transition: transform .15s; }
.sources[open] summary::before { transform: rotate(90deg); }
.sources summary:hover { color: var(--text); }
.source-list { margin-top: 0.55rem; display: flex; flex-direction: column; gap: 0.35rem; }
.source-item {
  display: flex; align-items: stretch; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); transition: border-color .15s, background .15s; overflow: hidden;
}
.source-item:hover { border-color: var(--accent-border); }
.source-item.flash { background: var(--accent-soft); border-color: var(--accent); }
.source-open {
  flex: 1; min-width: 0; display: flex; align-items: center; gap: 0.65rem; padding: 0.55rem 0.75rem;
  font: inherit; text-align: left; color: inherit; background: none; border: 0; cursor: pointer;
}
.source-dl {
  flex: none; display: flex; align-items: center; padding: 0 0.75rem; color: var(--text-faint);
  border-left: 1px solid var(--border);
}
.source-dl svg { width: 15px; height: 15px; }
.source-dl:hover { color: var(--accent-text); background: var(--surface-2); }
.source-ext {
  flex: none; font-size: 0.62rem; font-weight: 700; letter-spacing: 0.03em; color: var(--accent-text);
  background: var(--accent-soft); border-radius: 4px; padding: 0.22rem 0.4rem; font-family: var(--font-mono);
}
.source-text { min-width: 0; display: flex; flex-direction: column; gap: 0.05rem; }
.source-title { font-size: 0.83rem; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.source-path { font-size: 0.72rem; color: var(--text-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* diagramas de pozo mostrados en el chat */
.diagram { margin: 0.9rem 0 0; max-width: 520px; }
.diagram-open { display: block; padding: 0; border: 0; background: none; cursor: zoom-in; width: 100%; }
.diagram img {
  display: block; width: 100%; height: auto; background: #fff;
  border: 1px solid var(--border); border-radius: 8px;
}
.diagram figcaption {
  display: flex; justify-content: space-between; gap: 0.75rem; flex-wrap: wrap;
  margin-top: 0.45rem; font-size: 0.8rem; color: var(--text-faint);
}
.badge-warn {
  margin: 0.45rem 0 0; padding: 0.45rem 0.65rem; font-size: 0.78rem; line-height: 1.4;
  color: var(--warn-fg); background: var(--warn-bg);
  border: 1px solid var(--warn-border); border-radius: var(--radius-sm);
}
.link-btn {
  background: none; border: 0; padding: 0; font: inherit; color: var(--accent-text); cursor: pointer;
}
.link-btn:hover { text-decoration: underline; }
.tab-panel h4 { margin: 1rem 0 0.5rem; font-size: 0.8rem; font-weight: 650; }
.diagram-error, .stopped-note { margin: 0.5rem 0 0; font-size: 0.82rem; color: var(--text-muted); }

/* acciones por respuesta: copiar + feedback */
.a-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 0.25rem; margin-top: 0.6rem; }
.act-btn, .fb-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.35rem; height: 28px; min-width: 28px;
  padding: 0 0.4rem; font: inherit; font-size: 0.76rem; background: transparent; border: 1px solid transparent;
  border-radius: var(--radius-sm); color: var(--text-faint); cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.act-btn svg, .fb-btn svg { width: 15px; height: 15px; }
.act-btn:hover, .fb-btn:hover { color: var(--text); background: var(--surface-2); }
.fb-btn.active { color: var(--accent-text); background: var(--accent-soft); border-color: var(--accent-border); }
.act-sep { width: 1px; height: 16px; background: var(--border); margin: 0 0.25rem; }
.fb-status { font-size: 0.75rem; color: var(--text-faint); margin-left: 0.25rem; }
.fb-comment { flex-basis: 100%; display: flex; gap: 0.4rem; margin-top: 0.3rem; max-width: 440px; }
.fb-comment input.fb-input {
  flex: 1; min-width: 0; padding: 0.4rem 0.6rem; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font: inherit; font-size: 0.82rem; outline: none;
}
.fb-comment input.fb-input:focus { border-color: var(--accent); }
.fb-send, .retry-btn, .btn {
  font: inherit; font-size: 0.8rem; font-weight: 550; color: var(--text); background: var(--surface);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: 0.38rem 0.8rem; cursor: pointer;
  display: inline-flex; align-items: center; gap: 0.4rem; text-decoration: none;
}
.fb-send:hover, .retry-btn:hover, .btn:hover { border-color: var(--accent); text-decoration: none; }
.btn svg { width: 15px; height: 15px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn:disabled { opacity: .45; cursor: default; }

/* error de la consulta, debajo de lo que ya se escribio */
.a-error {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.9rem;
  margin-top: 0.6rem; padding: 0.55rem 0.8rem; font-size: 0.88rem;
  color: var(--danger-text); background: var(--danger-soft);
  border: 1px solid var(--danger-border); border-radius: var(--radius-sm);
}

/* ---- barra de pregunta ---- */
form#ask-form {
  flex: none; padding: 0.6rem max(1.25rem, calc((100% - 820px) / 2)) 0.8rem;
  background: linear-gradient(to bottom, transparent, var(--bg) 30%);
}
.input-bar {
  display: flex; align-items: flex-end; gap: 0.5rem;
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: 22px;
  padding: 0.35rem 0.35rem 0.35rem 1.1rem; box-shadow: var(--shadow); transition: border-color .15s;
}
.input-bar:focus-within { border-color: var(--accent); }
.input-bar textarea {
  flex: 1; border: 0; background: transparent; color: var(--text); font: inherit; resize: none;
  font-size: 0.95rem; line-height: 1.45; padding: 0.55rem 0; outline: none; min-width: 0; max-height: 200px;
}
.input-bar textarea::placeholder { color: var(--text-faint); }
.ctx-chip {
  display: inline-flex; align-items: center; gap: 0.4rem; margin: 0 0 0.45rem 0.6rem; max-width: calc(100% - 1.2rem);
  font-size: 0.78rem; color: var(--accent-text); background: var(--accent-soft);
  border: 1px solid var(--accent-border); border-radius: 999px; padding: 0.2rem 0.3rem 0.2rem 0.75rem;
}
.ctx-chip > span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ctx-chip strong { font-family: var(--font-mono); font-weight: 650; }
.ctx-clear {
  flex: none; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px;
  border: 0; border-radius: 50%; background: transparent; color: inherit; cursor: pointer;
}
.ctx-clear svg { width: 12px; height: 12px; }
.ctx-clear:hover { background: var(--accent-border); }
.q-ctx { font-size: 0.72rem; color: var(--accent-text); margin: 0 0.3rem 0.25rem 0; }
.input-hint { margin: 0.4rem 0 0; text-align: center; font-size: 0.7rem; color: var(--text-faint); }
#submit-btn {
  flex: none; width: 38px; height: 38px; border-radius: 50%; border: 0; background: var(--accent);
  color: var(--accent-contrast); display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: background .15s, transform .1s;
}
#submit-btn svg { width: 17px; height: 17px; }
#submit-btn:hover:not(:disabled) { background: var(--accent-hover); }
#submit-btn:active:not(:disabled) { transform: scale(.94); }
#submit-btn:disabled { opacity: .4; cursor: default; }
#submit-btn.stop { background: var(--surface-3); color: var(--text); }
#submit-btn.stop:hover:not(:disabled) { background: var(--border-strong); }

/* ---- panel de detalle (pozo / vista previa de fuente) ---- */
.detail-body { flex: 1; overflow-y: auto; padding: 1rem; font-size: 0.86rem; }
.detail-loading, .detail-empty { color: var(--text-faint); padding: 1rem 0; }
.detail-meta { margin: 0 0 0.8rem; color: var(--text-muted); font-size: 0.8rem; line-height: 1.5; overflow-wrap: anywhere; }
.detail-meta code { font-family: var(--font-mono); font-size: 0.78rem; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 0.8rem 0; }
.detail-thumb {
  display: block; width: 100%; padding: 0; border: 1px solid var(--border); border-radius: var(--radius);
  background: #fff; cursor: zoom-in; overflow: hidden; max-height: 260px; margin: 0.6rem 0;
}
.detail-thumb img { display: block; width: 100%; height: auto; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1rem; margin: 0; }
.kv dt { color: var(--text-faint); font-size: 0.78rem; }
.kv dd { margin: 0; font-variant-numeric: tabular-nums; }
.sd { color: var(--text-faint); font-style: italic; }

.tabs { display: flex; flex-wrap: wrap; gap: 0.1rem; border-bottom: 1px solid var(--border); margin: 1rem 0 0.8rem; }
.tab {
  flex: none; font: inherit; font-size: 0.8rem; font-weight: 550; color: var(--text-faint); background: none;
  border: 0; border-bottom: 2px solid transparent; padding: 0.5rem 0.6rem; cursor: pointer; margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--accent-text); border-bottom-color: var(--accent); }
.tab .count { font-size: 0.7rem; color: var(--text-faint); margin-left: 0.2rem; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); }
table.dt { width: 100%; border-collapse: collapse; font-size: 0.79rem; font-variant-numeric: tabular-nums; }
.dt th {
  text-align: left; font-weight: 600; font-size: 0.7rem; letter-spacing: 0.03em; text-transform: uppercase;
  color: var(--text-faint); background: var(--surface-2); padding: 0.45rem 0.55rem; white-space: nowrap;
}
.dt td { padding: 0.45rem 0.55rem; border-top: 1px solid var(--border); vertical-align: top; }
.dt td:first-child { white-space: nowrap; }
.dt td.num { text-align: right; white-space: nowrap; }
.dt tr.flag td { background: var(--warn-bg); }
.ref { font-family: var(--font-mono); font-size: 0.74rem; color: var(--accent-text); cursor: help; }

.pill { display: inline-block; text-transform: none; font-size: 0.68rem; font-weight: 650; padding: 0.1rem 0.45rem; border-radius: 999px; white-space: nowrap; }
.pill.ok { color: var(--ok-fg); background: var(--ok-bg); }
.pill.plan { color: var(--plan-fg); background: var(--plan-bg); }
.pill.unk { color: var(--unk-fg); background: var(--unk-bg); }
.pill.warn { color: var(--danger-text); background: var(--danger-soft); }

.note { margin: 0.6rem 0 0; font-size: 0.76rem; color: var(--text-faint); line-height: 1.45; }
.list-plain { margin: 0.4rem 0 0; padding-left: 1.1rem; }
.list-plain li { margin-bottom: 0.25rem; }
.timeline { list-style: none; margin: 0; padding: 0 0 0 0.9rem; border-left: 2px solid var(--border); }
.timeline li { position: relative; padding: 0 0 0.9rem 0.6rem; }
.timeline li::before {
  content: ''; position: absolute; left: -1.27rem; top: 0.35rem; width: 9px; height: 9px;
  border-radius: 50%; background: var(--surface); border: 2px solid var(--accent);
}
.tl-date { font-family: var(--font-mono); font-size: 0.76rem; color: var(--text-muted); }
.tl-title { font-weight: 600; margin: 0.1rem 0; text-transform: capitalize; }
.tl-doc { font-size: 0.74rem; color: var(--text-faint); overflow-wrap: anywhere; }
.disc { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.6rem 0.7rem; margin-bottom: 0.6rem; }
.disc h4 { margin: 0 0 0.4rem; font-size: 0.82rem; }
.fuente-row { font-size: 0.76rem; overflow-wrap: anywhere; }

/* vista previa de fuente */
.frag {
  white-space: pre-wrap; overflow-wrap: anywhere; font-family: var(--font-mono); font-size: 0.78rem; line-height: 1.55;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 0.8rem 0.9rem; margin: 0.6rem 0; max-height: none;
}
.pager { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin: 0.6rem 0; }
.pager-info { font-size: 0.78rem; color: var(--text-muted); }

/* ---- visor de diagramas ---- */
.lightbox { position: fixed; inset: 0; z-index: 60; background: rgba(6, 10, 11, .94); display: flex; flex-direction: column; }
.lb-toolbar {
  flex: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 0.6rem 1rem; color: #e5edeb; border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.lb-title { font-weight: 600; font-size: 0.9rem; font-family: var(--font-mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-actions { display: flex; align-items: center; gap: 0.3rem; flex-wrap: wrap; justify-content: flex-end; }
.lb-btn {
  display: inline-flex; align-items: center; justify-content: center; min-width: 32px; height: 32px; padding: 0 0.5rem;
  font: inherit; font-size: 1rem; color: #e5edeb; background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius-sm); cursor: pointer; text-decoration: none;
}
.lb-btn.lb-text { font-size: 0.78rem; font-weight: 550; }
.lb-btn svg { width: 16px; height: 16px; }
.lb-btn:hover { background: rgba(255, 255, 255, .14); text-decoration: none; }
.lb-zoom { min-width: 3.4rem; text-align: center; font-size: 0.78rem; color: #b8c4c1; font-variant-numeric: tabular-nums; }
.lb-stage { flex: 1; position: relative; overflow: hidden; cursor: grab; touch-action: none; }
.lb-stage.dragging { cursor: grabbing; }
.lb-stage img { position: absolute; left: 0; top: 0; transform-origin: 0 0; background: #fff; user-select: none; max-width: none; }
.lb-warn { flex: none; margin: 0; padding: 0.5rem 1rem; font-size: 0.75rem; color: #f2c14e; text-align: center; border-top: 1px solid rgba(255, 255, 255, .08); }

/* ---- aviso flotante ---- */
.toast {
  position: fixed; left: 50%; top: calc(var(--topbar-h) + 0.75rem); transform: translateX(-50%); z-index: 70;
  background: var(--text); color: var(--bg); font-size: 0.82rem; font-weight: 550;
  padding: 0.5rem 0.9rem; border-radius: 999px; box-shadow: var(--shadow);
}

/* ---- login ---- */
body.login-body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem;
  background: radial-gradient(1100px 550px at 50% -8%, var(--accent-soft), transparent), var(--bg);
}
.login-card { width: 100%; max-width: 360px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 2rem 1.9rem; box-shadow: var(--shadow); }
.login-card .brand { flex-direction: column; align-items: flex-start; gap: 0.9rem; margin-bottom: 1.7rem; }
.login-card .brand-mark { width: 44px; height: 44px; border-radius: 12px; }
.login-card .brand-mark svg { width: 23px; height: 23px; }
.login-card .brand-title { font-size: 1.05rem; }
.error-banner { background: var(--danger-soft); border: 1px solid var(--danger-border); color: var(--danger-text); font-size: 0.82rem; padding: 0.6rem 0.75rem; border-radius: var(--radius-sm); margin-bottom: 1rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-size: 0.78rem; color: var(--text-muted); margin-bottom: 0.35rem; }
.field input {
  width: 100%; padding: 0.65rem 0.8rem; border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  background: var(--bg); color: var(--text); font: inherit; font-size: 0.92rem; outline: none;
  transition: border-color .15s;
}
.field input:focus { border-color: var(--accent); }
.login-card button[type=submit] {
  width: 100%; padding: 0.7rem; border: 0; border-radius: var(--radius-sm); background: var(--accent);
  color: var(--accent-contrast); font-weight: 650; font-size: 0.92rem; cursor: pointer; margin-top: 0.2rem;
  transition: background .15s;
}
.login-card button[type=submit]:hover { background: var(--accent-hover); }

/* ---- responsive: los paneles pasan a superponerse ---- */
@media (max-width: 1180px) {
  .detail-panel {
    position: fixed; top: var(--topbar-h); right: 0; bottom: 0; width: min(480px, 100%);
    z-index: 30; box-shadow: var(--shadow-panel);
  }
  body.detail-open .backdrop { display: block; }
}
@media (max-width: 860px) {
  .side-panel {
    position: fixed; top: var(--topbar-h); left: 0; bottom: 0; width: min(320px, 88%);
    z-index: 30; box-shadow: var(--shadow-panel);
  }
  body.pozos-open .backdrop { display: block; }
  .tb-label { display: none; }
  .brand-subtitle { display: none; }
  .tb-btn { padding: 0 0.55rem; }
  .q { max-width: 92%; }
  .input-hint { display: none; }
}
@media (max-width: 520px) {
  .brand-text { display: none; }
  .row-assistant .avatar { display: none; }
  main#log { padding-top: 1.2rem; }
}

/* ---- impresion / PDF: solo la conversacion ---- */
@media print {
  :root, :root[data-theme="dark"] {
    --bg: #fff; --surface: #fff; --surface-2: #f3f4f3; --border: #ccc; --text: #000;
    --text-muted: #333; --text-faint: #555; --accent-text: #0b5f58;
  }
  body.app-body { height: auto; overflow: visible; display: block; }
  .topbar, .side-panel, .detail-panel, .backdrop, #ask-form, .a-actions, .lightbox, .toast,
  .chip-groups, .source-dl, #empty-state { display: none !important; }
  .layout, .chat-col { display: block; }
  main#log { overflow: visible; padding: 0; }
  .print-head { display: block !important; margin-bottom: 1.5rem; border-bottom: 1px solid #ccc; padding-bottom: 0.6rem; }
  .msg { break-inside: avoid-page; animation: none; }
  .q { background: #f3f4f3; }
  .avatar { background: #0b5f58 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .diagram { max-width: 360px; }
}
.print-head { display: none; }
.print-head h1 { margin: 0; font-size: 1.1rem; }
.print-head p { margin: 0.2rem 0 0; font-size: 0.8rem; color: #555; }