/* Paleta Pliego, basada en el tema Aether (Omarchy): salvia y verde azulado. El claro usa los mismos tonos más oscuros. */
:root {
  --bg: #eef3f1;
  --panel: #fbfdfc;
  --border: #d2ddd8;
  --border-strong: #a9bab3;
  --text: #142020;
  --muted: #5b6b66;
  --brand: #3f6665;
  --brand-ink: #ffffff;
  --link: #2f5554;
  --accent: #3f6665;
  --accent-hover: #345756;
  --accent-ink: #ffffff;
  --focus: #648887;
  --danger: #b5483d;
  --warn: #9a7420;
  --ok: #2d6a4a;
  --topbar: #0c1414;
  --topbar-ink: #cedcd4;
  --topbar-muted: #8e9c94;
  --topbar-btn: #162020;
  --topbar-btn-border: #253030;
  --login-glow: #2f4a49;
  --sidebar: #e6edea;
  --hover: #dbe5e1;
  --subtle: #eef4f1;
  --selected: #dce9e5;
  --pane-head: #f4f8f6;
  --input-bg: #ffffff;
  --code-bg: #e8efec;
  --overlay: rgb(251 253 252 / .92);
  --preview-bg: #4f5857;
  --danger-bg: #f8e6e3;
  --warn-bg: #f8f0dc;
  --diff-add: #e3f3ea;
  --diff-del: #f8e6e3;
  --diff-add-ink: #2d6a4a;
  --diff-del-ink: #b5483d;
  --cm-active-line: rgb(63 102 101 / .06);
  --cm-selection: #cfe3df;
  --syn-command: #2f6f7a;
  --syn-math: #4f7a3a;
  --syn-number: #8a6d1f;
  --syn-bracket: #648887;
  --syn-comment: #8a9792;
  --radius: 6px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
  color-scheme: light;
}

/* Tema oscuro: por preferencia del sistema, salvo que se haya elegido claro con el botón. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #040808;
    --panel: #0a0f0f;
    --border: #1d2121;
    --border-strong: #2f3838;
    --text: #bdd0c5;
    --muted: #8e9c94;
    --brand: #648887;
    --brand-ink: #040808;
    --link: #b4e7d8;
    --accent: #648887;
    --accent-hover: #739f9d;
    --accent-ink: #040808;
    --focus: #89b5bc;
    --danger: #d4776c;
    --warn: #c9b27a;
    --ok: #abccb9;
    --topbar: #020404;
    --topbar-btn: #0d1414;
    --topbar-btn-border: #1d2121;
    --login-glow: #1a2a2a;
    --sidebar: #030606;
    --hover: #121a1a;
    --subtle: #0d1414;
    --selected: #1d2121;
    --pane-head: #0d1414;
    --input-bg: #030606;
    --code-bg: #121a1a;
    --overlay: rgb(10 15 15 / .92);
    --preview-bg: #1d2121;
    --danger-bg: #2a1312;
    --warn-bg: #2a2412;
    --diff-add: #10231b;
    --diff-del: #2a1312;
    --diff-add-ink: #abccb9;
    --diff-del-ink: #e0958c;
    --cm-active-line: rgb(100 136 135 / .08);
    --cm-selection: #1d3433;
    --syn-command: #94ced7;
    --syn-math: #abccb9;
    --syn-number: #d8fde2;
    --syn-bracket: #648887;
    --syn-comment: #575f5f;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #040808;
  --panel: #0a0f0f;
  --border: #1d2121;
  --border-strong: #2f3838;
  --text: #bdd0c5;
  --muted: #8e9c94;
  --brand: #648887;
  --brand-ink: #040808;
  --link: #b4e7d8;
  --accent: #648887;
  --accent-hover: #739f9d;
  --accent-ink: #040808;
  --focus: #89b5bc;
  --danger: #d4776c;
  --warn: #c9b27a;
  --ok: #abccb9;
  --topbar: #020404;
  --topbar-btn: #0d1414;
  --topbar-btn-border: #1d2121;
  --login-glow: #1a2a2a;
  --sidebar: #030606;
  --hover: #121a1a;
  --subtle: #0d1414;
  --selected: #1d2121;
  --pane-head: #0d1414;
  --input-bg: #030606;
  --code-bg: #121a1a;
  --overlay: rgb(10 15 15 / .92);
  --preview-bg: #1d2121;
  --danger-bg: #2a1312;
  --warn-bg: #2a2412;
  --diff-add: #10231b;
  --diff-del: #2a1312;
  --diff-add-ink: #abccb9;
  --diff-del-ink: #e0958c;
  --cm-active-line: rgb(100 136 135 / .08);
  --cm-selection: #1d3433;
  --syn-command: #94ced7;
  --syn-math: #abccb9;
  --syn-number: #d8fde2;
  --syn-bracket: #648887;
  --syn-comment: #575f5f;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { font: 14px/1.4 var(--font); color: var(--text); background: var(--bg); }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

/* ---- Botones ---- */
.btn {
  font: inherit; cursor: pointer; border: 1px solid var(--border); background: var(--panel);
  color: var(--text); border-radius: var(--radius); padding: 6px 12px; text-decoration: none;
  display: inline-flex; align-items: center; gap: 4px;
}
.btn:hover { border-color: var(--border-strong); }
.btn:disabled { opacity: .6; cursor: progress; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; border-color: transparent; color: inherit; }
.btn-icon { padding: 4px 8px; min-width: 30px; justify-content: center; }
.btn-small { padding: 2px 8px; font-size: 12px; }
.btn:focus-visible, .file-list li:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }

/* ---- Login ---- */
.alert { background: var(--danger-bg); color: var(--danger); padding: 8px 10px; border-radius: var(--radius); }

/* ---- Barra superior ---- */
.editor-page { display: flex; flex-direction: column; overflow: clip; height: 100dvh; }
/* "clip" en vez de "hidden": así ningún scrollIntoView puede correr la página entera. */
.editor-page, .workspace, .pane, .editor-wrap, .sidebar { overflow: clip; }
html:has(.editor-page) { overflow: clip; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  height: 48px; padding: 0 12px; background: var(--topbar); color: var(--topbar-ink); flex: none;
}
.topbar .btn:not(.btn-primary) { background: var(--topbar-btn); border-color: var(--topbar-btn-border); color: var(--topbar-ink); }
.topbar .btn-ghost { background: transparent !important; border-color: transparent !important; }
.topbar .muted { color: var(--topbar-muted); }
.topbar form { margin: 0; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-center, .topbar-right { display: flex; align-items: center; gap: 8px; }
.status { font-size: 12px; color: var(--topbar-muted); white-space: nowrap; }
.status[data-state="ok"] { color: #abccb9; }
.status[data-state="error"] { color: #e0958c; }
.status[data-state="running"] { color: #d8c48a; }
.sync-dot { width: 9px; height: 9px; border-radius: 50%; background: #888; flex: none; }
.sync-dot[data-status="connected"] { background: #abccb9; box-shadow: 0 0 0 3px rgb(171 204 185 / .2); }
.sync-dot[data-status="connecting"] { background: #d8c48a; }
.sync-dot[data-status="disconnected"] { background: #e0958c; }
.users { display: flex; gap: 4px; }
.view-switch .btn.active { background: var(--accent) !important; border-color: var(--accent) !important; color: var(--accent-ink) !important; }
.user-chip {
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; font-weight: 700; font-size: 12px; border: 2px solid var(--topbar);
}

/* ---- Área de trabajo ---- */
.workspace { flex: 1; display: flex; min-height: 0; }
.sidebar { width: 210px; flex: none; background: var(--sidebar); border-right: 1px solid var(--border); display: flex; flex-direction: column; }
.sidebar-head { display: flex; justify-content: space-between; align-items: center; padding: 8px 10px; font-weight: 600; font-size: 12px; text-transform: uppercase; color: var(--muted); }
.file-list { list-style: none; margin: 0; padding: 0 6px; overflow: auto; }
.file-list li {
  padding: 4px 4px 4px 8px; min-height: 30px; border-radius: var(--radius); cursor: pointer; white-space: nowrap;
  display: flex; align-items: center; gap: 4px; font-family: var(--mono); font-size: 12.5px;
}
.file-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.file-actions { display: none; gap: 2px; }
.file-list li:hover .file-actions, .file-list li:focus-within .file-actions { display: flex; }
.btn-tiny { padding: 2px; min-width: 22px; border-color: transparent; background: transparent; color: inherit; }
.btn-tiny .icon { width: 14px; height: 14px; }
.btn-tiny:hover { background: var(--panel); color: var(--text); }
.file-list li:hover { background: var(--hover); }
.file-list li.active { background: var(--brand); color: var(--brand-ink); }
.file-list li.main .file-name::after { content: " ★"; color: var(--warn); }

.pane { display: flex; flex-direction: column; min-width: 0; min-height: 0; background: var(--panel); }
.editor-pane { flex: 0 0 50%; }
.preview-pane { flex: 1; background: var(--preview-bg); }
.pane-head {
  height: 36px; flex: none; display: flex; align-items: center; justify-content: space-between;
  padding: 0 10px; border-bottom: 1px solid var(--border); background: var(--pane-head); font-family: var(--mono); font-size: 12.5px;
}
.splitter { width: 6px; flex: none; cursor: col-resize; background: var(--border); }
.splitter:hover, body.resizing .splitter { background: var(--border-strong); }
body.resizing { cursor: col-resize; user-select: none; }
body.resizing .preview-pane { pointer-events: none; }

/* ---- Editor ---- */
.editor-wrap { position: relative; flex: 1; min-height: 0; display: flex; flex-direction: column; }
.editor { flex: 1; min-height: 0; overflow: hidden; }
.editor-loading {
  position: absolute; inset: 0; display: grid; place-items: center; z-index: 5;
  background: var(--overlay); color: var(--muted); font-size: 15px;
}
.editor .cm-editor { height: 100%; font-size: 14px; }
.editor .cm-scroller { font-family: var(--mono); line-height: 1.55; }
.editor .cm-ySelectionInfo { font-family: var(--font); font-size: 11px; padding: 1px 4px; border-radius: 3px; opacity: 1; }

/* ---- Vista previa ---- */
.tabs { display: flex; gap: 2px; font-family: var(--font); }
.tab { font: inherit; border: none; background: none; padding: 6px 10px; cursor: pointer; color: var(--muted); border-bottom: 2px solid transparent; }
.tab.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.badge { background: var(--danger); color: #fff; border-radius: 9px; padding: 0 6px; font-size: 11px; }
.zoom { display: flex; align-items: center; gap: 4px; font-family: var(--font); }
#zoom-level { min-width: 56px; text-align: center; font-size: 12px; color: var(--muted); }
.pdf-container { flex: 1; overflow: auto; padding: 12px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.pdf-page-wrap { position: relative; background: #fff; box-shadow: 0 2px 10px rgb(0 0 0 / .4); flex: none; cursor: crosshair; }
.pdf-page { display: block; width: 100%; height: 100%; }
.pdf-marker {
  position: absolute; pointer-events: none; background: rgb(255 200 0 / .35);
  outline: 2px solid #f0a500; border-radius: 2px; animation: marker-fade 2.5s ease-out forwards;
}
@keyframes marker-fade { 0%, 60% { opacity: 1; } 100% { opacity: 0; } }
.cm-line.flash-line { background: rgb(255 200 0 / .35); transition: background .8s; }
.empty { color: var(--muted); text-align: center; padding: 20px; }
.pdf-container .empty { color: #d6d9dc; }
.logs { flex: 1; overflow: auto; background: var(--panel); padding: 10px; font-family: var(--mono); font-size: 12.5px; }
.log-item { padding: 6px 8px; border-left: 3px solid; margin-bottom: 6px; border-radius: 3px; white-space: pre-wrap; }
.log-item.error { border-color: var(--danger); background: var(--danger-bg); }
.log-item.warning { border-color: var(--warn); background: var(--warn-bg); }
.log-item.clickable { cursor: pointer; }
.log-item.clickable:hover { filter: brightness(.96); }
.log-link { display: inline-block; margin-top: 8px; color: var(--link); }

/* ---- Historial de versiones ---- */
.dialog { width: min(1200px, calc(100% - 32px)); height: min(85vh, 900px); border: none; background: var(--panel); color: var(--text); border-radius: 10px; padding: 0; box-shadow: 0 10px 40px rgb(0 0 0 / .3); }
.dialog[open] { display: flex; flex-direction: column; }
.dialog::backdrop { background: rgb(0 0 0 / .4); }
.dialog-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.dialog-head h2 { margin: 0; font-size: 16px; }
.history-body { flex: 1; min-height: 0; display: flex; }
.history-list { list-style: none; margin: 0; padding: 0; width: 280px; flex: none; overflow: auto; border-right: 1px solid var(--border); }
.history-item { padding: 10px 14px; border-bottom: 1px solid var(--border); cursor: pointer; }
.history-item:hover { background: var(--subtle); }
.history-item.active { background: var(--selected); box-shadow: inset 3px 0 var(--brand); }
.history-title { font-weight: 600; }
.history-meta { color: var(--muted); font-size: 12px; }
.history-changed { font-family: var(--mono); font-size: 11.5px; color: var(--link); margin-top: 2px; }
.history-detail { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.history-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 8px 12px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.history-files { display: flex; flex-wrap: wrap; gap: 4px; }
.history-files .btn.active { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.history-actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.btn-danger-outline { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
.btn-danger-outline:hover { background: var(--danger-bg); border-color: var(--danger); }
.compare-select { font: inherit; padding: 4px 6px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--input-bg); color: var(--text); }
.diff-body { flex: 1; overflow: auto; }
.diff-stats { padding: 6px 12px; font-family: var(--mono); font-size: 12.5px; border-bottom: 1px solid var(--border); background: var(--pane-head); }
.stat-add { color: var(--diff-add-ink); font-weight: 700; margin-right: 8px; }
.stat-del { color: var(--diff-del-ink); font-weight: 700; }
.diff { font-family: var(--mono); font-size: 12.5px; line-height: 1.5; }
.diff-row { display: grid; grid-template-columns: 44px 44px 18px 1fr; }
.diff-row.add { background: var(--diff-add); }
.diff-row.del { background: var(--diff-del); }
.diff-row.add .diff-sign { color: var(--diff-add-ink); }
.diff-row.del .diff-sign { color: var(--diff-del-ink); }
.diff-num { color: var(--muted); text-align: right; padding-right: 8px; user-select: none; border-right: 1px solid var(--border); }
.diff-sign { text-align: center; user-select: none; }
.diff-text { white-space: pre-wrap; word-break: break-word; padding-right: 12px; }
.diff-skip { background: var(--code-bg); color: var(--muted); padding: 2px 12px; font-size: 12px; }
@media (max-width: 700px) {
  .history-body { flex-direction: column; }
  .history-list { width: auto; max-height: 30vh; border-right: none; border-bottom: 1px solid var(--border); }
  .diff-row { grid-template-columns: 34px 34px 14px 1fr; }
}

/* ---- Gráficas ---- */
.chart-dialog { width: min(1400px, calc(100% - 24px)); height: min(90vh, 940px); }
.chart-body { flex: 1; min-height: 0; display: grid; grid-template-columns: 230px minmax(340px, 420px) 1fr; }
.chart-side { border-right: 1px solid var(--border); display: flex; flex-direction: column; gap: 8px; padding: 12px; min-height: 0; }
.chart-list { list-style: none; margin: 0; padding: 0; overflow: auto; }
.chart-list li { padding: 8px 10px; border-radius: var(--radius); cursor: pointer; display: grid; gap: 2px; }
.chart-list li:hover { background: var(--subtle); }
.chart-list li.active { background: var(--selected); box-shadow: inset 3px 0 var(--brand); }
.chart-list li strong { font-size: 13px; font-weight: 600; }
.chart-list li span { font-size: 12px; }
.chart-form { overflow: auto; padding: 14px 16px; display: flex; flex-direction: column; gap: 12px; border-right: 1px solid var(--border); }
.field { display: grid; gap: 4px; font-size: 13px; font-weight: 600; }
.field-label { font-weight: 600; }
.field-head { display: flex; justify-content: space-between; align-items: center; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.req { color: var(--danger); }
.chart-form input:not([type=checkbox]), .chart-form select, .chart-form textarea {
  font: inherit; font-weight: 400; padding: 7px 9px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--input-bg); color: var(--text); width: 100%;
}
.chart-form textarea { font-family: var(--mono); font-size: 12.5px; resize: vertical; }
.chart-form input:focus, .chart-form textarea:focus, .chart-form select:focus { outline: 2px solid var(--focus); outline-offset: 0; border-color: transparent; }
.chart-form small { font-weight: 400; }
.chart-form code { font-family: var(--mono); background: var(--code-bg); padding: 1px 4px; border-radius: 3px; }
.data-info.error { color: var(--danger); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font: inherit; font-size: 12.5px; font-weight: 500; padding: 5px 10px; border: 1px solid var(--border); border-radius: 999px; background: var(--input-bg); color: var(--text); cursor: pointer; }
.chip:hover { border-color: var(--border-strong); }
.chip.active { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
details.field summary { cursor: pointer; color: var(--link); }
.options-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 10px; margin-top: 8px; font-weight: 400; }
.options-grid label { display: grid; gap: 3px; font-size: 12.5px; }
.options-grid label.check { display: flex; align-items: center; gap: 6px; }
.chart-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: auto; padding-top: 8px; position: sticky; bottom: -14px; background: var(--panel); padding-bottom: 14px; }
.chart-preview { min-width: 0; min-height: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; background: var(--sidebar); padding: 12px; }
.chart-preview canvas { background: #fff; box-shadow: 0 2px 12px rgb(0 0 0 / .15); border-radius: 4px; }
.chart-status { color: var(--muted); font-size: 13px; text-align: center; max-width: 520px; margin: 0; }
.chart-status.error { color: var(--danger); }
@media (max-width: 1000px) {
  .chart-body { grid-template-columns: 1fr; grid-template-rows: auto auto minmax(260px, 1fr); overflow: auto; }
  .chart-side { border-right: none; border-bottom: 1px solid var(--border); }
  .chart-list { max-height: 120px; }
  .chart-form { border-right: none; overflow: visible; }
}

/* ---- Avisos ---- */
.toast {
  position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); z-index: 10;
  background: var(--topbar); color: #fff; padding: 10px 16px; border-radius: var(--radius); box-shadow: 0 4px 16px rgb(0 0 0 / .3);
}
.toast[data-kind="error"] { background: var(--danger); }
.toast[data-kind="ok"] { background: var(--accent); color: var(--accent-ink); }
.toast[data-kind="warn"] { background: var(--warn); }

/* ---- Barra lateral plegable y selector Código/PDF ---- */
.view-switch { display: none; }
body.sidebar-hidden .sidebar { display: none; }

/* Ventanas medianas (p. ej. en mosaico de Hyprland): todo sigue lado a lado. */
@media (max-width: 1100px) {
  .sidebar { width: 150px; }
  .brand .muted, #compile-status, #zoom-level, .topbar .btn-label { display: none; }
  .zoom { gap: 2px; }
  .zoom .btn-icon { min-width: 26px; padding: 4px 5px; }
}

/* Teléfonos: se ve una cosa a la vez, como Overleaf en el celular. */
@media (max-width: 700px) {
  .topbar { height: auto; flex-wrap: wrap; padding: 6px 8px; gap: 6px; }
  .view-switch { display: inline-flex; }
  .sidebar { display: none; }
  .splitter { display: none; }
  .editor-pane { flex: 1 1 100% !important; }
  .preview-pane { flex: 1 1 100%; }
  body:not(.show-pdf) .preview-pane { display: none; }
  body.show-pdf .editor-pane { display: none; }
  #btn-history, #btn-backup, #btn-charts { display: none; }
}

/* ---- Iconos (sprite de Lucide) ---- */
.icon { width: 16px; height: 16px; flex: none; }
.icon-xl { width: 40px; height: 40px; stroke-width: 1.5; }
.btn-icon .icon { width: 17px; height: 17px; }
.icon-sun { display: none; }
:root[data-theme="dark"] .icon-sun { display: inline; }
:root[data-theme="dark"] .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-sun { display: inline; }
  :root:not([data-theme="light"]) .icon-moon { display: none; }
}

/* ---- Marca ---- */
.brand-mark { border-radius: 5px; flex: none; }
.brand-name { overflow: hidden; text-overflow: ellipsis; }
.btn-block { width: 100%; justify-content: center; padding: 10px; }

/* ---- Login ---- */
.login-page { min-height: 100dvh; margin: 0; background: var(--bg); }
.login-shell { min-height: 100dvh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.login-cover {
  position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 28px; padding: 36px 44px;
  background: radial-gradient(ellipse at 15% 110%, var(--login-glow), transparent 60%), var(--topbar); color: var(--topbar-ink);
}
.login-cover-body { margin-top: auto; max-width: 34rem; position: relative; z-index: 1; }
.login-app { display: flex; align-items: center; gap: 16px; }
.login-app img { border-radius: 13px; box-shadow: 0 6px 24px rgb(0 0 0 / .35); }
.login-app h1 { margin: 0; font-family: 'Noto Serif', 'Source Serif 4', Georgia, serif; font-weight: 600; font-size: clamp(40px, 5vw, 60px); letter-spacing: -.01em; color: #f1f5f2; line-height: 1; }
.login-tagline { margin: 18px 0 0; font-size: 16px; line-height: 1.55; max-width: 30rem; color: var(--topbar-ink); }
.login-features { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 10px; font-size: 14px; color: var(--topbar-ink); }
.login-features li { display: flex; align-items: center; gap: 10px; }
.login-features .icon { color: #abccb9; }
.login-cover-foot { margin: 0; font-size: 12px; color: var(--topbar-muted); position: relative; z-index: 1; }
/* Hoja decorativa con líneas de texto, inclinada detrás del título. */
.login-sheet {
  position: absolute; right: -40px; top: 70px; width: 260px; height: 340px; padding: 30px 26px; display: grid; align-content: start; gap: 9px;
  background: color-mix(in srgb, var(--topbar-ink) 7%, transparent); border: 1px solid color-mix(in srgb, var(--topbar-ink) 14%, transparent);
  border-radius: 6px; transform: rotate(6deg);
}
.login-sheet span { display: block; height: 6px; border-radius: 3px; background: color-mix(in srgb, var(--topbar-ink) 22%, transparent); }
.login-sheet .sheet-title { height: 10px; width: 70%; margin: 0 auto 8px; background: color-mix(in srgb, var(--topbar-ink) 38%, transparent); }
.login-sheet .sheet-heading { height: 8px; width: 45%; margin-top: 8px; background: color-mix(in srgb, var(--topbar-ink) 32%, transparent); }
.login-sheet .sheet-formula { height: 14px; width: 40%; margin: 6px auto; background: none; border: 1px solid color-mix(in srgb, var(--topbar-ink) 28%, transparent); }
.login-sheet .w60 { width: 60%; } .login-sheet .w70 { width: 70%; } .login-sheet .w75 { width: 75%; } .login-sheet .w85 { width: 85%; }
.login-sheet .w90 { width: 90%; } .login-sheet .w95 { width: 95%; } .login-sheet .w100 { width: 100%; }
.login-panel { display: grid; place-items: center; padding: 32px 20px; background: var(--panel); }
.login-form { width: min(360px, 100%); display: grid; gap: 16px; }
.login-form h2 { margin: 0; font-size: 24px; }
.login-form > .muted { margin: -10px 0 4px; font-size: 14px; }
.login-field { display: grid; gap: 6px; font-weight: 600; font-size: 13px; }
.input-icon { position: relative; display: flex; align-items: center; }
.input-icon > .icon { position: absolute; left: 11px; color: var(--muted); pointer-events: none; }
.input-icon input { flex: 1; min-width: 0; font: inherit; font-weight: 400; font-size: 14.5px; padding: 11px 40px 11px 36px; border: 1px solid var(--border); border-radius: 8px; background: var(--input-bg); color: var(--text); transition: border-color .15s, box-shadow .15s; }
.input-icon input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.reveal { position: absolute; right: 6px; display: grid; place-items: center; width: 30px; height: 30px; border: none; border-radius: 6px; background: none; color: var(--muted); cursor: pointer; }
.reveal:hover { background: var(--hover); color: var(--text); }
.reveal .icon-hide, .reveal.shown .icon-show { display: none; }
.reveal.shown .icon-hide { display: block; }
.login-submit { padding: 11px; font-size: 15px; border-radius: 8px; gap: 8px; margin-top: 4px; }
.login-alert { display: flex; gap: 8px; align-items: flex-start; margin: 0; padding: 10px 12px; border-radius: 8px; background: var(--danger-bg); color: var(--danger); font-size: 13.5px; }
.login-alert .icon, .login-note .icon { flex: none; margin-top: 1px; }
.login-note { display: flex; gap: 8px; align-items: flex-start; margin: 6px 0 0; padding-top: 14px; border-top: 1px solid var(--border); font-size: 12.5px; color: var(--muted); }
@media (max-width: 820px) {
  .login-shell { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .login-cover { padding: 22px 20px 26px; gap: 18px; }
  .login-cover-body { margin-top: 0; }
  .login-app h1 { font-size: 34px; }
  .login-app img { width: 40px; height: 40px; }
  .login-tagline { font-size: 14px; }
  .login-features { display: none; }
  .login-sheet, .login-cover-foot { display: none; }
  .login-panel { place-items: start center; padding-top: 28px; }
}

/* ---- Estados vacíos ---- */
.empty-state {
  margin: auto; padding: 40px 20px; max-width: 340px; display: flex; flex-direction: column;
  align-items: center; gap: 6px; text-align: center; color: var(--muted); font-family: var(--font); font-size: 13px;
}
.empty-state .icon { margin-bottom: 6px; opacity: .8; }
.empty-state strong { color: var(--text); font-size: 15px; }
.pdf-container .empty-state { color: #c9cdd1; }
.pdf-container .empty-state strong { color: #fff; }
kbd {
  font-family: var(--mono); font-size: 11px; padding: 1px 5px; border-radius: 4px;
  border: 1px solid var(--border-strong); border-bottom-width: 2px; background: var(--code-bg); color: var(--text);
}

/* ---- CodeMirror con los colores del tema ---- */
.editor .cm-editor { background: var(--panel); color: var(--text); }
.editor .cm-editor .cm-gutters { background: var(--pane-head); color: var(--muted); border-right-color: var(--border); }
.editor .cm-editor .cm-activeLine, .editor .cm-editor .cm-activeLineGutter { background: var(--cm-active-line); }
.editor .cm-editor .cm-cursor { border-left-color: var(--text); }
/* La selección de CodeMirror usa selectores muy específicos; sin !important no se puede cambiar el color. */
.editor .cm-editor .cm-selectionBackground { background: var(--cm-selection) !important; }
.editor .cm-editor .cm-panels { background: var(--pane-head); color: var(--text); border-color: var(--border); }
.editor .cm-editor .cm-textfield { background: var(--input-bg); color: var(--text); border-color: var(--border); }
.editor .cm-editor .cm-button { background: var(--panel); color: var(--text); border-color: var(--border); background-image: none; }
.editor .cm-editor .cm-tooltip { background: var(--panel); color: var(--text); border-color: var(--border); }
.editor .cm-editor .cm-tooltip-autocomplete > ul > li[aria-selected] { background: var(--brand); color: var(--brand-ink); }

/* ---- Figuras en la barra lateral ---- */
/* Archivos y figuras conservan su alto (con tope y scroll propio); el esquema usa el espacio que sobra. */
#file-list { flex: none; max-height: 30vh; overflow: auto; }
#figure-list { flex: none; max-height: 22vh; overflow: auto; }
.sidebar-head-split { margin-top: 8px; border-top: 1px solid var(--border); padding-top: 10px; }
.sidebar-head label.btn { cursor: pointer; }
.figure-list li { gap: 8px; }
.figure-thumb {
  width: 28px; height: 28px; flex: none; border-radius: 4px; object-fit: cover;
  background: var(--panel); border: 1px solid var(--border); display: grid; place-items: center; color: var(--muted);
}
.figure-list li.active .figure-thumb, .figure-list li:hover .figure-thumb { border-color: var(--border-strong); }
.file-list li.empty { cursor: default; color: var(--muted); font-family: var(--font); }
.file-list li.empty:hover { background: none; }
.sidebar-hint { margin: 6px 10px 10px; font-size: 11.5px; color: var(--muted); }
.sidebar.dropping { outline: 2px dashed var(--focus); outline-offset: -6px; background: var(--selected); }

/* ---- Esquema y contadores ---- */
.outline-list { list-style: none; margin: 0; padding: 0 6px; overflow: auto; flex: 1 1 auto; min-height: 60px; font-size: 12.5px; }
.outline-list li {
  padding: 4px 8px 4px calc(8px + var(--level, 0) * 12px); border-radius: var(--radius); cursor: pointer;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--muted);
}
.outline-list li:hover { background: var(--hover); color: var(--text); }
.outline-list li.active { color: var(--text); font-weight: 600; box-shadow: inset 2px 0 var(--accent); }
.outline-list li.empty { cursor: default; font-weight: 400; }
.outline-list li.empty:hover { background: none; color: var(--muted); }
.pane-title { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#word-count, #page-count { font-family: var(--font); font-size: 12px; }
#page-count { margin-right: 4px; }

/* ---- Corrector (LanguageTool) ---- */
.topbar .btn[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
/* Subrayado ondulado con los colores del tema en lugar de las imágenes fijas de CodeMirror. */
.editor .cm-editor .cm-lintRange { background-image: none; text-decoration: underline wavy; text-decoration-skip-ink: none; text-underline-offset: 3px; }
.editor .cm-editor .cm-lintRange-error { text-decoration-color: var(--danger); }
.editor .cm-editor .cm-lintRange-warning { text-decoration-color: var(--warn); }
.editor .cm-editor .cm-lintRange-info { text-decoration-color: var(--focus); }
.editor .cm-editor .cm-diagnostic { font-family: var(--font); font-size: 13px; padding: 6px 10px; max-width: 420px; }
.editor .cm-editor .cm-diagnostic-error { border-left-color: var(--danger); }
.editor .cm-editor .cm-diagnostic-warning { border-left-color: var(--warn); }
.editor .cm-editor .cm-diagnostic-info { border-left-color: var(--focus); }
.editor .cm-editor .cm-diagnosticSource { color: var(--muted); font-size: 11px; }
.editor .cm-editor .cm-diagnosticAction { background: var(--brand); color: var(--brand-ink); border-radius: var(--radius); font: inherit; font-size: 12px; padding: 2px 8px; margin: 6px 6px 0 0; }
.editor .cm-editor .cm-diagnosticAction-secondary { background: transparent; color: var(--link); border: 1px solid var(--border); }
.editor .cm-editor .cm-diagnosticText { display: block; margin-bottom: 2px; }

/* ---- Lector (enlace de solo lectura) ---- */
body[data-role="reader"] .writer-only { display: none !important; }
.readonly-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 4px 10px; border-radius: 999px; background: var(--topbar-btn); border: 1px solid var(--topbar-btn-border); color: var(--topbar-ink); }

/* ---- Comentarios ---- */
.pane-actions { display: flex; gap: 6px; }
.badge-soft { background: var(--accent); }
.comments { flex: 1; overflow: auto; background: var(--panel); padding: 10px; display: flex; flex-direction: column; gap: 10px; }
.comments-toolbar { display: flex; gap: 6px; }
.comments-toolbar .btn.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.comment-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.comment-card, .comment-compose { border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 12px; background: var(--panel); display: grid; gap: 6px; }
.comment-card.highlight { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent); }
.comment-compose { border-color: var(--accent); background: var(--subtle); }
.comment-author { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.comment-author .user-chip { width: 20px; height: 20px; font-size: 11px; border: none; }
.comment-author time { margin-left: auto; color: var(--muted); font-size: 11.5px; }
.comment-author .tag { font-size: 10.5px; padding: 0 6px; border-radius: 999px; border: 1px solid var(--border-strong); color: var(--muted); }
.comment-where { font: inherit; font-size: 12px; color: var(--muted); font-family: var(--mono); background: none; border: none; padding: 0; text-align: left; }
.comment-where.link { color: var(--link); cursor: pointer; }
.comment-where.link:hover { text-decoration: underline; }
.comment-where.stale { color: var(--warn); }
.comments blockquote { margin: 0; padding: 4px 8px; border-left: 3px solid var(--border-strong); background: var(--code-bg); font-family: var(--mono); font-size: 12px; color: var(--muted); white-space: pre-wrap; overflow-wrap: anywhere; }
.comment-text { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 13.5px; }
.comment-reply { margin-left: 14px; padding-left: 10px; border-left: 2px solid var(--border); display: grid; gap: 4px; }
.comment-resolved { font-size: 12px; color: var(--ok); }
.comments textarea { font: inherit; font-size: 13px; width: 100%; resize: vertical; padding: 6px 8px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--input-bg); color: var(--text); box-sizing: border-box; }
.comments textarea:focus { outline: 2px solid var(--focus); outline-offset: 0; border-color: transparent; }
.comment-reply-form { display: flex; gap: 6px; align-items: flex-start; }
.comment-actions { display: flex; gap: 6px; justify-content: flex-end; }
.editor .cm-comment-gutter { width: 18px; }
.editor .cm-comment-marker { display: flex; align-items: flex-start; justify-content: center; padding-top: 4px; color: var(--accent); cursor: pointer; }
.editor .cm-comment-marker svg { width: 13px; height: 13px; }

/* ---- Modo visual ---- */
.mode-switch { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.mode-switch .btn { border: none; border-radius: 0; }
.mode-switch .btn.active { background: var(--accent); color: var(--accent-ink); }
.editor .cm-visual .cm-content { font-family: 'Noto Serif', 'Source Serif 4', Georgia, 'Times New Roman', serif; font-size: 15.5px; line-height: 1.65; max-width: 46rem; }
.editor .cm-visual .cm-line { padding-right: 12px; }
.editor .cm-visual .cm-v-syntax, .editor .cm-visual .cm-v-env { font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
.editor .cm-visual .cm-v-bold { font-weight: 700; }
.editor .cm-visual .cm-v-italic { font-style: italic; }
.editor .cm-visual .cm-v-mono { font-family: var(--mono); font-size: .9em; }
.editor .cm-visual .cm-v-underline { text-decoration: underline; }
.editor .cm-visual .cm-v-smallcaps { font-variant: small-caps; }
.editor .cm-visual .cm-v-sans { font-family: var(--font); }
.editor .cm-visual .cm-v-link { color: var(--link); text-decoration: underline; }
.editor .cm-visual .cm-v-footnote { font-size: .85em; color: var(--muted); }
.editor .cm-visual .cm-v-footnote::before { content: "nota: "; font-style: italic; }
.editor .cm-visual .cm-v-h0 { font-size: 1.6em; font-weight: 600; }
.editor .cm-visual .cm-v-h1 { font-size: 1.45em; font-weight: 700; }
.editor .cm-visual .cm-v-h2 { font-size: 1.22em; font-weight: 700; }
.editor .cm-visual .cm-v-h3 { font-size: 1.08em; font-weight: 700; }
.editor .cm-visual .cm-v-h4 { font-weight: 700; font-style: italic; }
.editor .cm-visual .cm-v-line-h0 { text-align: center; padding-top: 10px; }
.editor .cm-visual .cm-v-line-h1 { padding-top: 14px; }
.editor .cm-visual .cm-v-line-h2 { padding-top: 8px; }
.cm-v-chip { font-family: var(--font); font-size: 12px; padding: 1px 6px; border-radius: 4px; background: var(--subtle); border: 1px solid var(--border); color: var(--link); white-space: nowrap; }
.cm-v-chip-label { color: var(--muted); border-style: dashed; }
.cm-v-chip-file { color: var(--muted); }
.cm-v-bullet { display: inline-block; min-width: 1.4em; color: var(--accent); font-weight: 700; }
.cm-v-bullet-label { margin-right: .4em; }
.cm-v-symbol.linebreak { color: var(--muted); font-size: .8em; }
.cm-v-symbol.block { font-family: var(--font); font-size: 12px; padding: 2px 8px; border: 1px dashed var(--border-strong); border-radius: 4px; color: var(--muted); }
.cm-v-abstract-begin { display: block; text-align: center; font-weight: 700; border-top: 1px solid var(--border-strong); padding-top: 6px; }
.cm-v-abstract-end { display: block; border-top: 1px solid var(--border-strong); }
.cm-v-math { cursor: text; }
.cm-v-math-display { display: block; text-align: center; padding: 4px 0; }
.cm-v-math-display .katex-display { margin: 0; }
.editor .cm-visual .cm-v-math-src { font-family: var(--mono); font-size: 13px; color: var(--syn-math); }
.cm-v-image { display: block; max-width: min(100%, 420px); max-height: 260px; margin: 6px auto; border: 1px solid var(--border); border-radius: 4px; background: #fff; }
.cm-v-preamble { font: inherit; font-family: var(--font); font-size: 13px; width: 100%; text-align: left; padding: 7px 12px; margin: 4px 0; border: 1px solid var(--border); border-radius: var(--radius); background: var(--subtle); color: var(--text); cursor: pointer; }
.cm-v-preamble:hover { background: var(--hover); }

/* ---- Actividad (copiar y pegar) ---- */
.dialog.activity-dialog { width: min(900px, calc(100% - 24px)); height: fit-content; max-height: 88vh; }
.activity-body { flex: 1; min-height: 0; overflow: auto; padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 14px; }
.activity-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.activity-table th { text-align: right; font-weight: 600; font-size: 11.5px; color: var(--muted); padding: 0 10px 6px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.activity-table td { text-align: right; padding: 8px 10px; border-bottom: 1px solid var(--border); font-variant-numeric: tabular-nums; font-weight: 600; }
.activity-table th:first-child, .activity-table td:first-child { text-align: left; padding-left: 0; }
.activity-table td.warn { color: var(--warn); }
.activity-who { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.activity-who .user-chip { width: 22px; height: 22px; font-size: 11px; border: none; }
.activity-toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.activity-toolbar h3 { margin: 0 auto 0 0; font-size: 14px; }
.segmented { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.segmented button { font: inherit; font-size: 12.5px; border: none; background: var(--panel); color: var(--text); padding: 5px 10px; cursor: pointer; display: inline-flex; gap: 6px; align-items: center; }
.segmented button + button { border-left: 1px solid var(--border); }
.segmented button.active { background: var(--accent); color: var(--accent-ink); }
.segmented .count { font-size: 11px; opacity: .75; font-variant-numeric: tabular-nums; }
.activity-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.activity-item { border: 1px solid var(--border); border-left: 3px solid var(--border-strong); border-radius: var(--radius); padding: 10px 12px; display: grid; gap: 8px; }
.activity-item.afuera { border-left-color: var(--warn); }
.activity-item.long { background: var(--warn-bg); }
.activity-item-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; }
.activity-item-head time { margin-left: auto; color: var(--muted); font-size: 12px; }
.activity-text { margin: 0; padding: 8px 10px; background: var(--code-bg); border-radius: 4px; font-family: var(--mono); font-size: 12.5px; line-height: 1.5; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 360px; overflow: auto; }
.activity-text.clamped { max-height: 7.6em; overflow: hidden; mask-image: linear-gradient(#000 70%, transparent); }
.activity-item-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 12px; }
.tag { font-size: 11px; padding: 0 7px; border-radius: 999px; border: 1px solid var(--border-strong); color: var(--muted); }
.tag-afuera { color: var(--warn); border-color: var(--warn); }
.activity-empty { margin: 4px 0; }
.activity-help { margin: 0; font-size: 12px; padding-top: 10px; border-top: 1px solid var(--border); }
@media (max-width: 700px) {
  .activity-table th:nth-child(5), .activity-table td:nth-child(5) { display: none; }
  #btn-activity { display: none; }
}

/* ---- Pantalla de proyectos ---- */
.projects-page { min-height: 100dvh; margin: 0; background: var(--bg); }
.projects-user { font-size: 13px; }
.projects-main { width: min(1100px, 100%); margin: 0 auto; padding: 28px 16px 48px; box-sizing: border-box; }
.projects-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.projects-head h1 { margin: 0 0 4px; font-size: 26px; }
.projects-head p { margin: 0; }
.projects-actions { display: flex; gap: 8px; }
.project-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.project-card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; display: flex; flex-direction: column; transition: border-color .15s, box-shadow .15s; }
.project-card:hover { border-color: var(--border-strong); box-shadow: 0 4px 18px rgb(0 0 0 / .08); }
.project-open { display: flex; gap: 12px; align-items: flex-start; padding: 16px; color: inherit; text-decoration: none; flex: 1; }
.project-icon { width: 40px; height: 40px; border-radius: 9px; display: grid; place-items: center; flex: none; background: var(--subtle); color: var(--accent); border: 1px solid var(--border); }
.project-icon.thesis { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.project-icon .icon { width: 20px; height: 20px; }
.project-text { display: grid; gap: 3px; min-width: 0; }
.project-name { font-size: 15.5px; line-height: 1.3; overflow-wrap: anywhere; }
.project-open:hover .project-name { color: var(--link); text-decoration: underline; }
.project-meta { font-size: 12.5px; color: var(--muted); font-family: var(--mono); }
.project-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 10px 12px 10px 16px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.project-foot .tag { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; }
.project-foot .tag .icon { width: 12px; height: 12px; }
.tag-git { color: var(--accent); border-color: var(--accent); }
.project-card-actions { display: flex; gap: 6px; }
.btn.disabled { opacity: .45; pointer-events: none; }
.drop-hint { position: fixed; inset: 12px; z-index: 20; border: 2px dashed var(--accent); border-radius: 14px; background: var(--overlay); display: grid; place-content: center; justify-items: center; gap: 8px; color: var(--accent); font-size: 16px; }
.dialog.dialog-small { width: min(460px, calc(100% - 24px)); height: fit-content; max-height: 90vh; }
.dialog-content { padding: 16px; display: grid; gap: 12px; }
.dialog-content .field input { font: inherit; font-weight: 400; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--input-bg); color: var(--text); }
.dialog-content .field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.dialog-content p { margin: 0; font-size: 13px; }
.dialog-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border); }
@media (max-width: 600px) {
  .projects-head { align-items: stretch; }
  .projects-actions { width: 100%; }
  .projects-actions > * { flex: 1; justify-content: center; }
  .project-grid { grid-template-columns: 1fr; }
}
.pane-actions { flex-wrap: nowrap; white-space: nowrap; }
@media (max-width: 1100px) {
  .pane-actions .btn-label, #word-count { display: none; }
  .pane-actions .btn { padding-inline: 7px; }
}