/* Estilo de la interfaz de 3D-Vault. Base: assets/app.css de la skill tasteskill,
   con los tokens del estilo "Achromatic ledger" (semilla 1914576395). Sin color en
   la interfaz: el único tono marca lo que cambió en cada versión. */
@font-face { font-family: "Geist"; src: url("fonts/geist.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  --ground: #f2f4f7;
  --surface: #ffffff;
  --raised: #eeeeee;
  --active: #e4e7eb;
  --border: #e6e6e6;
  --rule: #f0f0f0;
  --control: #d4d4d4;
  --text: #0a0a0a;
  --muted: #5f6368;
  --faint: #636669;
  --accent: #1d5fbf;
  --primary: #141414;
  --primary-ink: #ffffff;
  --positive: #2e7d32; --negative: #c4242a; --warning: #92400e;
  --pill-positive-bg: #dcfae5; --pill-positive-ink: #04250e;
  --pill-negative-bg: #ffedea; --pill-negative-ink: #831c1e;
  --pill-warning-bg: #fffbeb; --pill-warning-ink: #92400e;
  --pill-neutral-bg: #eeeeee; --pill-neutral-ink: #3d3d3d;
  --font: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --fs-title: 24px; --fs-section: 16px; --fs-kpi: 30px; --fs-body: 14px; --fs-small: 12px;
  --sidebar-width: 256px;
  --pad: 32px;
  --gap: 12px;
  --card-pad: 20px;
  --radius-card: 8px;
  --radius-control: 6px;
  --control-height: 36px;
  --row-height: 44px;
  --nav-row: 32px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --t-press: 120ms; --t-hover: 150ms; --t-ui: 200ms;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--text); font: var(--fs-body)/20px var(--font); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, p, figure, ul, ol, dl, dd { margin: 0; }
ul[class], ol[class] { padding: 0; list-style: none; }
img, svg, video, canvas { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.num, table, .kpi-value { font-variant-numeric: tabular-nums; }

/* ---------- shell: sidebar + canvas ---------- */
.app { display: grid; grid-template-columns: var(--sidebar-width) minmax(0, 1fr); min-height: 100svh; }
.sidebar { position: sticky; top: 0; height: 100svh; display: flex; flex-direction: column; gap: 2px; padding: 16px 12px; overflow: auto; }
.sidebar .group-label { margin: 20px 8px 6px; font-size: var(--fs-small); color: var(--faint); }
.nav-item { display: flex; align-items: center; gap: 10px; height: var(--nav-row); padding: 0 8px; border-radius: 8px; color: var(--muted); transition: background-color var(--t-hover) ease, color var(--t-hover) ease; }
.nav-item svg { width: 16px; height: 16px; flex: none; stroke-width: 1.5; }
.nav-item:hover { background: var(--raised); color: var(--text); }
.nav-item[aria-current="page"] { background: var(--active); color: var(--text); }
.sidebar .bottom { margin-top: auto; }
.canvas { min-width: 0; padding: var(--pad); }

/* ---------- title block and filters ---------- */
.title-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.title-row h1 { font-size: var(--fs-title); line-height: 1.2; font-weight: 600; letter-spacing: -0.01em; }
.title-row .sub { margin-top: 4px; color: var(--muted); }
.filters { display: flex; align-items: center; gap: 8px; margin-bottom: var(--gap); flex-wrap: wrap; }
.filters .spacer { flex: 1; }
.stamp { color: var(--faint); font-size: var(--fs-small); }

/* ---------- panels and grid ---------- */
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); padding: var(--card-pad); min-width: 0; }
.panel > header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.panel h2 { font-size: var(--fs-section); line-height: 1.3; font-weight: 600; }
.panel .meta { color: var(--faint); font-size: var(--fs-small); }
/* paired cards in one row: a card stretches to its neighbour only when it has content to fill. Otherwise it keeps
   its own height (add .top to the row), and only an action or a total may be pinned to a stretched card's bottom */
.grid.top { align-items: start; }

/* a chart's heading row: its title (and legend or period) with a fixed 8px to the svg */
.chart-head { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 4px 12px; margin-bottom: 8px; }
.chart-head h3 { font-size: var(--fs-body); line-height: 20px; font-weight: 500; }
.chart { position: relative; min-width: 0; }

/* a link at a card's foot or header ("Show all 7", "Sell-out history"): ink, a 12px chevron, an underline on hover,
   and no inline padding, so its text sits on the card's content edge */
.card-link { display: inline-flex; align-items: center; gap: 2px; padding: 0; border: 0; background: none; color: var(--text); font-weight: 500; cursor: pointer; text-underline-offset: 3px; }
.card-link::after { content: ""; width: 12px; height: 12px; flex: none; background: currentColor; -webkit-mask: var(--chevron) center / 12px no-repeat; mask: var(--chevron) center / 12px no-repeat; }
.card-link:hover { text-decoration: underline; }
:root { --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M4.5 2.5 8 6l-3.5 3.5' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }

/* list rows: a rule between rows and none above the first. A rule on a rounded box curls up at both ends, so a row
   that carries a rule has square corners */
.rows { display: grid; }
.row { display: flex; align-items: center; gap: 12px; min-height: 44px; padding: 10px 0; }
.row + .row { border-top: 1px solid var(--rule); border-radius: 0; }

/* KPIs as one divided strip: a label above a number, no icons, no tiles */
.kpis { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); }
.kpi { padding: 16px var(--card-pad); }
.kpi + .kpi { border-left: 1px solid var(--border); }
.kpi-label { color: var(--muted); }
.kpi-value { margin-top: 6px; font-size: var(--fs-kpi); line-height: 1.15; font-weight: 500; letter-spacing: -0.01em; }
.kpi-value small { font-size: 0.55em; color: var(--muted); font-weight: 400; margin-left: 2px; }
.delta { margin-top: 4px; font-size: var(--fs-small); color: var(--muted); }
.delta .up { color: var(--positive); } .delta .down { color: var(--negative); }
/* KPIs as the chart's tabs: the selected one carries a 2px rule and an ink label; the others keep a grey label and
   their value in ink at a lighter weight (a grey value reads as disabled). When the tabs are the per-entity
   breakdown the brief asks for (takings by shop), add .entities: nothing changes but the rule */
.kpis[role="tablist"] .kpi { position: relative; cursor: pointer; }
.kpis[role="tablist"] .kpi[aria-selected="true"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--text); }
.kpis[role="tablist"]:not(.entities) .kpi[aria-selected="true"] .kpi-label { color: var(--text); }
.kpis[role="tablist"]:not(.entities) .kpi[aria-selected="false"] .kpi-value { color: var(--text); font-weight: 400; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { height: 36px; padding: 0 12px; text-align: left; font-weight: 400; font-size: var(--fs-small); color: var(--muted); border-bottom: 1px solid var(--border); white-space: nowrap; }
/* cells share one baseline, so a figure never sits 2px below the name beside it; the row height comes from padding */
td { padding: calc((var(--row-height) - 20px) / 2) 12px; border-bottom: 1px solid var(--rule); vertical-align: baseline; }
tbody tr:last-child td { border-bottom: 0; }
/* no hover that changes the fill; a row that drives a detail pane takes the nav pill's fill when selected */
tbody tr[aria-selected="true"] td { background: var(--active); }
th.n, td.n { text-align: right; white-space: nowrap; }
td .sub { display: block; font-size: var(--fs-small); color: var(--muted); }
.truncate { max-width: 28ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* status pill: a pale tint with dark ink of the same hue, one per row */
.pill { display: inline-flex; align-items: center; gap: 6px; height: 22px; padding: 0 8px; border-radius: 999px; font-size: var(--fs-small); font-weight: 500; background: var(--pill-neutral-bg); color: var(--pill-neutral-ink); white-space: nowrap; }
.pill.pos { background: var(--pill-positive-bg); color: var(--pill-positive-ink); }
.pill.neg { background: var(--pill-negative-bg); color: var(--pill-negative-ink); }
.pill.warn { background: var(--pill-warning-bg); color: var(--pill-warning-ink); }

/* ---------- controls ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: var(--control-height); padding: 0 12px; border-radius: var(--radius-control); border: 1px solid var(--control); background: var(--surface); font-weight: 500; cursor: pointer; transition: background-color var(--t-hover) ease, transform var(--t-press) var(--ease-out); }
.btn:hover { background: var(--raised); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--primary); color: var(--primary-ink); border-color: transparent; }
.btn.ghost { border-color: transparent; background: transparent; }
.field { display: grid; gap: 8px; align-content: start; }
.field label { font-weight: 500; }
.field .hint { color: var(--muted); font-size: var(--fs-small); }
.input, select.input { height: 38px; padding: 0 12px; border: 1px solid var(--control); border-radius: var(--radius-control); background: var(--surface); }
.input::placeholder { color: var(--faint); }
.tabs { display: flex; gap: 24px; border-bottom: 1px solid var(--border); margin-bottom: var(--gap); }
.tabs a { position: relative; padding: 10px 0; color: var(--muted); transition: color var(--t-hover) ease; }
.tabs a[aria-selected="true"] { color: var(--text); }
.tabs a[aria-selected="true"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--text); }
/* as wide as its options; full width only on a narrow phone */
.segmented { display: inline-flex; width: max-content; max-width: 100%; padding: 2px; border-radius: 8px; background: var(--raised); }
.segmented button { height: 28px; padding: 0 10px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); cursor: pointer; }
.segmented button[aria-pressed="true"] { background: var(--surface); color: var(--text); }
.switch { appearance: none; width: 32px; height: 20px; border-radius: 999px; background: var(--control); position: relative; cursor: pointer; transition: background-color var(--t-ui) ease; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform var(--t-ui) var(--ease-out); }
.switch:checked { background: var(--text); } .switch:checked::after { transform: translateX(12px); }

/* empty and loading states keep the frame; a loading value is a flat grey bar at its real size, with no shimmer */
.empty { display: grid; place-items: center; min-height: 96px; padding: 16px; border: 1px dashed var(--control); border-radius: var(--radius-control); color: var(--muted); text-align: center; }
.skeleton { background: var(--raised); border-radius: 4px; }

/* ---------- phone: the navigation folds away and the canvas takes the width ---------- */
.menu-toggle { display: none; }
@media (max-width: 860px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  /* the menu opens as a full-screen sheet */
  .sidebar { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 20; background: var(--surface); transform: translateX(-100%); transition: transform var(--t-ui) var(--ease-out); }
  .sidebar.open { transform: none; }
  .menu-toggle { display: inline-flex; }
  .canvas { padding: 16px; }
  .grid > * { grid-column: 1 / -1 !important; }
  .kpis { grid-auto-flow: row; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi + .kpi { border-left: 0; }
  .kpi:nth-child(n + 3) { border-top: 1px solid var(--border); }
  .kpi:nth-child(2n) { border-left: 1px solid var(--border); }
  /* an odd count leaves no half-empty row: the last cell takes the full width */
  .kpi:last-child:nth-child(odd) { grid-column: 1 / -1; }
  /* KPI tabs in a 2-up grid: the selected cell takes a fill, never an underline floating mid-grid */
  .kpis[role="tablist"] .kpi[aria-selected="true"] { background: var(--active); }
  .kpis[role="tablist"] .kpi[aria-selected="true"]::after { content: none; }
  .title-row { flex-wrap: wrap; align-items: flex-start; }
}
@media (max-width: 480px) {
  .segmented { display: flex; width: 100%; }
  .segmented button { flex: 1; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition-duration: 0.01ms !important; animation: none !important; } }

/* an empty message spans the block it stands in, never one squeezed column */
.rows .empty, .grid > .empty, li > .empty { grid-column: 1 / -1; width: 100%; }

/* ---------- 3D-Vault ---------- */
.sidebar { border-right: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 10px; height: 36px; padding: 0 8px; font-size: var(--fs-section); font-weight: 600; }
.brand svg { width: 22px; height: 22px; flex: none; }
.brand .cube-edge { fill: none; stroke: var(--text); stroke-width: 1.5; stroke-linejoin: round; }
.brand .cube-face { fill: var(--accent); }
.nav-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-count { margin-left: auto; color: var(--muted); font-size: var(--fs-small); }
.user-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 8px; }
.user-row .who { min-width: 0; }
.user-row .who span { display: block; color: var(--muted); font-size: var(--fs-small); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.canvas { max-width: 1320px; width: 100%; }
.phone-bar { display: none; }
.menu-check { position: absolute; opacity: 0; pointer-events: none; }
.menu-check:focus-visible ~ .phone-bar .menu-toggle { outline: 2px solid var(--accent); outline-offset: 2px; }

.title-row { align-items: flex-start; }
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; color: var(--muted); font-size: var(--fs-small); }
.crumbs a:hover { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
.path { overflow-wrap: anywhere; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; flex: none; }
.actions form, td form { display: inline; }

.notice { margin-bottom: var(--gap); padding: 10px 12px; border-radius: var(--radius-control); background: var(--pill-negative-bg); color: var(--pill-negative-ink); }
.notice.ok { background: var(--pill-positive-bg); color: var(--pill-positive-ink); }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; margin-bottom: var(--gap); }
.toolbar form { display: flex; gap: 8px; flex: 0 1 340px; min-width: 200px; }
.toolbar .input { width: 100%; height: var(--control-height); }
.count { color: var(--muted); }
.tabs a span { margin-left: 4px; color: var(--muted); font-size: var(--fs-small); }

.table-panel { padding: 0; overflow: hidden; }
/* overflow-x: auto activa también el eje vertical, y una alineación por línea base
   puede sobrar un píxel: eso reservaría una barra de desplazamiento invisible. */
.table-wrap { overflow-y: hidden; }
.table-panel th:first-child, .table-panel td:first-child { padding-left: var(--card-pad); }
.table-panel th:last-child, .table-panel td:last-child { padding-right: var(--card-pad); }
td a.name { font-weight: 500; }
td a.name:hover { text-decoration: underline; text-underline-offset: 3px; }
.folder td { color: var(--muted); padding-top: 8px; padding-bottom: 8px; }
.tree-cell { overflow-wrap: anywhere; }
.tree-table { table-layout: fixed; }
.tree-table .col-version { width: 90px; }
.tree-table .col-size { width: 110px; }
.tree-table .col-lock { width: 200px; }
.tree-table .col-date { width: 150px; }
.d1 { padding-left: 16px; display: block; } .d2 { padding-left: 32px; display: block; } .d3 { padding-left: 48px; display: block; }
.d4 { padding-left: 64px; display: block; } .d5 { padding-left: 80px; display: block; } .d6 { padding-left: 96px; display: block; }

.lock-mark { display: inline-flex; align-items: center; gap: 6px; }
.lock-mark svg { width: 14px; height: 14px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.5; }
.free { color: var(--muted); }

.ledger-head { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 4px 16px; margin: 24px 0 var(--gap); }
.ledger-head h2 { font-size: var(--fs-section); font-weight: 600; }
.ledger-head p { color: var(--muted); }
.version-no { font-weight: 500; white-space: nowrap; }
.version-current { color: var(--accent); }
.comment { overflow-wrap: anywhere; }
.delta-cell { min-width: 170px; }
.strip { display: block; width: 100%; height: 6px; margin-top: 6px; }
.strip .kept { fill: var(--active); }
.strip .changed { fill: var(--accent); }
.row-actions { white-space: nowrap; text-align: right; }
.text-action { padding: 0; border: 0; background: none; font-weight: 500; cursor: pointer; text-underline-offset: 3px; }
.text-action:hover { text-decoration: underline; }
.text-action + form, a.text-action + form { margin-left: 12px; }

.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); }
.fact { padding: 16px var(--card-pad); min-width: 0; }
.fact + .fact { border-left: 1px solid var(--border); }
.fact .label { color: var(--muted); }
.fact .value { margin-top: 6px; font-size: var(--fs-section); line-height: 24px; font-weight: 500; overflow-wrap: anywhere; }
.fact .value.lead { font-size: var(--fs-kpi); line-height: 36px; letter-spacing: -0.01em; }
.fact .note { margin-top: 2px; color: var(--muted); font-size: var(--fs-small); }

.settings-row { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: 24px; padding: 24px 0; }
.settings-row + .settings-row { border-top: 1px solid var(--border); }
.settings-row h2 { font-size: var(--fs-section); font-weight: 500; }
.settings-row p { margin-top: 4px; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-grid .wide { grid-column: 1 / -1; }
.field .input { width: 100%; }
.check { display: flex; align-items: center; gap: 8px; }
.check input { width: 16px; height: 16px; accent-color: var(--text); }
.form-foot { display: flex; justify-content: flex-end; }
details.inline-form summary { list-style: none; cursor: pointer; }
details.inline-form summary::-webkit-details-marker { display: none; }
details.inline-form[open] { margin-bottom: var(--gap); }
.new-project { margin-bottom: var(--gap); }

.login { display: grid; place-items: center; min-height: 100svh; padding: 16px; }
.login-box { width: 100%; max-width: 360px; }
.login-box .brand { padding: 0; margin-bottom: 20px; }
.login-box h1 { margin-bottom: 16px; font-size: var(--fs-title); line-height: 1.2; font-weight: 600; letter-spacing: -0.01em; }
.login-box form { display: grid; gap: 16px; }
.login-box .btn { width: 100%; }

@media (max-width: 860px) {
  .phone-bar { display: flex; align-items: center; justify-content: space-between; height: 48px; padding: 0 16px; background: var(--ground); border-bottom: 1px solid var(--border); }
  .phone-bar .brand { padding: 0; }
  .menu-toggle { display: inline-flex; min-height: 36px; }
  .menu-check:checked ~ .app .sidebar { transform: none; }
  .sidebar .close-menu { display: inline-flex; align-self: flex-end; }
  .sidebar { border-right: 0; }
  .nav-item { min-height: 44px; }
  .btn, .input { min-height: 44px; }
  .title-row { flex-direction: column; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact + .fact { border-left: 0; }
  .fact:nth-child(n + 3) { border-top: 1px solid var(--border); }
  .fact:nth-child(2n) { border-left: 1px solid var(--border); }
  .settings-row { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .toolbar form { flex: 1 1 100%; }
  .tabs { overflow-x: auto; overflow-y: hidden; }
  .tabs a[aria-selected="true"]::after { bottom: 0; }
  .tabs a { white-space: nowrap; }
}
@media (min-width: 861px) { .sidebar .close-menu { display: none; } }

/* Las tablas pasan a filas de dos líneas: los campos bajan, no desaparecen. */
@media (max-width: 640px) {
  .tree-table { table-layout: auto; }
  .stack-table thead { display: none; }
  .stack-table, .stack-table tbody, .stack-table tr { display: block; }
  .stack-table tr { padding: 12px 16px; border-bottom: 1px solid var(--rule); }
  .stack-table tr:last-child { border-bottom: 0; }
  .stack-table td, .table-panel .stack-table td:first-child, .table-panel .stack-table td:last-child { display: block; padding: 0; border: 0; text-align: left; }
  .stack-table td + td { display: inline-block; margin: 4px 12px 0 0; color: var(--muted); font-size: 13px; }
  .stack-table td + td .sub { display: inline; margin-left: 4px; font-size: 13px; }
  .stack-table td.comment, .stack-table td.delta-cell, .stack-table td.row-actions { display: block; margin-right: 0; }
  .stack-table td[data-label]::before { content: attr(data-label) " "; }
  .stack-table .row-actions { margin-top: 8px; color: inherit; font-size: var(--fs-body); }
  .stack-table .text-action { display: inline-flex; align-items: center; min-height: 44px; margin-right: 16px; margin-left: 0; }
  .stack-table .folder { padding: 8px 16px; }
  .delta-cell { min-width: 0; }
}

/* ---------- Mi carpeta (sincronización desde el navegador) ---------- */
[hidden] { display: none !important; }
ol.steps { display: grid; gap: 10px; margin: 0 0 16px; padding-left: 20px; list-style: decimal; }
.check-list { display: grid; gap: 10px; }
textarea.input { height: auto; padding: 8px 12px; resize: vertical; font: inherit; }
td progress { display: block; width: 100%; max-width: 160px; height: 6px; margin-top: 4px; accent-color: var(--accent); }
td .sub { display: block; color: var(--muted); font-size: var(--fs-small); }
.sync-error { color: var(--negative); }
.row-actions .btn { height: 30px; padding: 0 10px; }
.row-actions .btn + .btn { margin-left: 6px; }
.sync-log { display: grid; gap: 6px; padding: 0; list-style: none; max-height: 240px; overflow: auto; }
dialog.panel { width: min(520px, calc(100vw - 32px)); border: 1px solid var(--border); }
dialog::backdrop { background: rgb(10 10 10 / 0.35); }
.facts + .table-panel { margin-top: var(--gap); }
.ledger-head p .btn { margin-left: 12px; height: 30px; }
.drop-zone { transition: border-color var(--t-hover) ease, background-color var(--t-hover) ease; }
.drop-zone.dragging { border: 1px dashed var(--accent); background: var(--active); }
.drop-hint { padding: 10px 20px; color: var(--muted); font-size: var(--fs-small); border-top: 1px solid var(--rule); }
.comforts { display: grid; gap: 16px; }
.comfort { display: flex; gap: 24px; align-items: center; justify-content: space-between; }
.comforts .sub { margin-top: 4px; }

/* ---------- vistas previas ---------- */
.preview { display: grid; place-items: center; min-height: 160px; }
.preview-thumb { width: 192px; height: auto; border-radius: var(--radius-control); }
.preview-image { width: auto; max-height: 70vh; object-fit: contain; }
.preview-none { display: grid; justify-items: center; gap: 12px; max-width: 44ch; color: var(--muted); text-align: center; }
.preview-none svg { width: 48px; height: 48px; }
.preview-none .cube-edge { fill: none; stroke: var(--muted); stroke-width: 1.5; stroke-linejoin: round; }
.preview-none .cube-face { fill: var(--active); }
.preview-model { display: block; padding: 0; overflow: hidden; }
.viewer { position: relative; }
.viewer canvas { width: 100%; height: min(60vh, 560px); background: var(--ground); }
.viewer-large { position: absolute; inset: 0 0 auto; height: min(60vh, 560px); display: grid; place-content: center; justify-items: center; gap: 12px; padding: 16px; background: var(--surface); color: var(--muted); text-align: center; }
.viewer-large[hidden] { display: none; }
.viewer-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 53px; padding: 8px var(--card-pad); border-top: 1px solid var(--border); }
.viewer-note { color: var(--muted); }
ol.steps-small { margin: 6px 0 0; padding-left: 18px; display: grid; gap: 4px; list-style: decimal; }
.comfort > .btn { white-space: nowrap; }
.code-row { display: flex; gap: 8px; margin-top: 10px; }
.code-row .input { flex: 1; min-width: 0; font-family: ui-monospace, monospace; font-size: var(--fs-small); }
.comfort { align-items: flex-start; }
.file-input { height: auto; padding: 8px 12px; }
.upload-foot { align-items: center; justify-content: space-between; gap: 12px; }
.notice.warn { background: var(--pill-warning-bg); color: var(--pill-warning-ink); }
.sync-filter { margin-top: 8px; }

/* ---------- modo oscuro: sigue la preferencia del sistema ---------- */
:root { color-scheme: light dark; }
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0f1115;
    --surface: #171a1f;
    --raised: #20242b;
    --active: #262b33;
    --border: #2a2f37;
    --rule: #22262d;
    --control: #3a404a;
    --text: #e8eaed;
    --muted: #a0a6ad;
    --faint: #959ba2;
    --accent: #6ea8f7;
    --primary: #e8eaed;
    --primary-ink: #0f1115;
    --positive: #6fd08c; --negative: #ff8a80; --warning: #f5c46a;
    --pill-positive-bg: #12301c; --pill-positive-ink: #a6ebba;
    --pill-negative-bg: #3a1618; --pill-negative-ink: #ffb4ab;
    --pill-warning-bg: #33260b; --pill-warning-ink: #f5d08a;
    --pill-neutral-bg: #262b33; --pill-neutral-ink: #d0d3d8;
    --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M4.5 2.5 8 6l-3.5 3.5' fill='none' stroke='%23e8eaed' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  }
  dialog::backdrop { background: rgb(0 0 0 / 0.6); }
}


/* ---------- Mi cuenta, actividad y búsqueda ---------- */
.side-search { margin: 8px 0 10px; }
.side-search .input { width: 100%; height: var(--control-height); }
a.who { padding: 4px 8px; margin: -4px -8px; border-radius: 8px; }
a.who:hover, a.who[aria-current="page"] { background: var(--raised); }
.filters select.input { height: var(--control-height); max-width: 100%; }
.more { display: flex; justify-content: center; margin-top: var(--gap); }
.nowrap { white-space: nowrap; }


/* ---------- administración: aviso de disco, bloqueos y descargas ---------- */
.disk-alert { margin-bottom: var(--gap); padding: 8px 12px; border-radius: var(--radius-control); background: var(--pill-warning-bg); color: var(--pill-warning-ink); font-size: var(--fs-small); }
.disk-alert a { font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
.folder-zip { margin-left: 8px; color: var(--muted); font-size: var(--fs-small); }
.folder-zip:hover { color: var(--text); }

/* miniatura de cada versión del historial; al pulsarla se abre grande */
.version-cell { display: flex; align-items: center; gap: 10px; }
.history-thumb { flex: none; padding: 0; border: 1px solid var(--border); border-radius: 4px; background: var(--ground); overflow: hidden; cursor: zoom-in; }
.history-thumb img { width: 40px; height: 40px; object-fit: cover; }
.history-big { padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-card); background: var(--surface); }
.history-big:popover-open { display: grid; justify-items: end; gap: 12px; }
.history-big img { width: min(512px, calc(100vw - 64px)); height: auto; max-height: calc(100svh - 120px); object-fit: contain; }
.history-big::backdrop { background: rgb(10 10 10 / 0.35); }