:root {
  --bg: #F4F3F0;
  --surface: #FFFFFF;
  --surface-2: #F8F7F4;
  --ink: #181818;
  --muted: #5F5E5A;
  --line: #E0DDD6;
  --line-2: #C9C5BB;
  --accent: #F9AA10;
  --accent-ink: #181818;
  --accent-strong: #9A5F00;
  --accent-soft: #FEF1D6;
  --ok: #2B7449;
  --ok-soft: #DCEFE2;
  --mark: #C8372D;
  --mark-soft: #FBE7E5;
  --topbar: #181818;
  --topbar-ink: #FFFFFF;
  --font-body: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-label: "Archivo Narrow", "Archivo", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #181818;
    --surface: #212121;
    --surface-2: #1C1C1C;
    --ink: #F2F1EE;
    --muted: #A3A19B;
    --line: #2E2E2E;
    --line-2: #444444;
    --accent: #F9AA10;
    --accent-ink: #181818;
    --accent-strong: #F9AA10;
    --accent-soft: #33290F;
    --ok: #6FC793;
    --ok-soft: #173023;
    --mark: #FF6A5C;
    --mark-soft: #3A1E1B;
    --topbar: #111111;
    --topbar-ink: #FFFFFF;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.45;
  overflow-x: hidden;
}

h1, h2, h3, .label { font-family: var(--font-label); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

a { color: var(--accent-strong); }

/* Barra superior */
.topbar {
  background: var(--topbar);
  color: var(--topbar-ink);
  border-bottom: 3px solid var(--accent);
}
.topbar-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.topbar h1 {
  flex: 1;
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.topbar .btn {
  color: var(--topbar-ink);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.3);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 16px 48px;
}

/* Botones */
.btn {
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: 7px;
  min-height: 36px;
  padding: 0 14px;
  cursor: pointer;
}
.btn:hover { filter: brightness(.95); }
.btn:disabled { opacity: .6; cursor: default; }
.btn.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  font-weight: 600;
}

/* Cifras resumen */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.stat .num { font-family: var(--font-label); font-size: 28px; font-weight: 700; line-height: 1.1; }
.stat .cap { color: var(--muted); font-size: 13px; }

/* Cajas y lista de proyectos */
.box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.project-list { display: flex; flex-direction: column; }
.project-row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr) auto;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  color: inherit;
  text-decoration: none;
  border-top: 1px solid var(--line);
}
.project-row:first-child { border-top: 0; }
.project-row:hover { background: var(--surface-2); }
.project-name { font-family: var(--font-label); font-size: 18px; font-weight: 600; overflow-wrap: anywhere; }
.project-last { color: var(--muted); font-size: 13px; white-space: nowrap; }
.progress-text { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); margin-bottom: 4px; }

/* Barras de avance */
.bar { height: 8px; background: var(--line); border-radius: 4px; overflow: hidden; }
.bar.mini { height: 5px; width: 72px; }
.bar-fill { height: 100%; background: var(--accent); }
.bar-fill.full { background: var(--ok); }

/* Chips */
.chip {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 2px 10px;
  white-space: nowrap;
}
.chip.ok { background: var(--ok-soft); color: var(--ok); }
.chip.none { background: var(--surface-2); color: var(--muted); border: 1px solid var(--line); }
.chip.active { background: var(--accent-soft); color: var(--ink); }

/* Detalle de proyecto */
.back { display: inline-block; margin-bottom: 12px; font-size: 14px; }
.title-block {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  border: 2px solid var(--ink);
  border-radius: 3px;
  background: var(--surface);
  margin-bottom: 16px;
}
.title-cell { padding: 10px 12px; border-left: 1px solid var(--line-2); min-width: 0; }
.title-cell:first-child { border-left: 0; }
.title-cell .label { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.title-cell .value { font-family: var(--font-label); font-size: 18px; font-weight: 600; overflow-wrap: anywhere; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.filters .btn { border-radius: 999px; min-height: 32px; font-size: 13px; }
.filters .btn.active { background: var(--accent-soft); color: var(--ink); border-color: var(--accent); }

.tree { padding: 6px 0; }
.tree details > summary,
.leaf-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  min-height: 40px;
}
.tree details > summary { cursor: pointer; list-style: none; }
.tree details > summary::-webkit-details-marker { display: none; }
.tree details > summary::before { content: "▸"; color: var(--muted); width: 12px; }
.tree details[open] > summary::before { content: "▾"; }
.tree summary:hover, button.leaf-row:hover { background: var(--surface-2); }
.node-name { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.folder-name { font-family: var(--font-label); font-weight: 600; }
.node-meta { color: var(--muted); font-size: 13px; white-space: nowrap; }
.children { margin-left: 18px; border-left: 1px solid var(--line); }
button.leaf-row {
  width: 100%;
  font: inherit;
  color: inherit;
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
}
.leaf-row.static { cursor: default; }
.leaf-meta { color: var(--muted); font-size: 13px; }

.batches { margin: 0 12px 8px 34px; padding: 8px 12px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 7px; font-size: 13px; }
.batch { display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 4px 0; }
.batch + .batch { border-top: 1px solid var(--line); }
.batch .who { font-weight: 600; }

/* Avisos */
.notice {
  border: 1px dashed var(--line-2);
  border-radius: 10px;
  padding: 18px;
  color: var(--muted);
  text-align: center;
}
.alert {
  background: var(--mark-soft);
  color: var(--mark);
  border-radius: 7px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.loading { color: var(--muted); padding: 16px 0; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-box {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 2px solid var(--ink);
  border-radius: 3px;
  overflow: hidden;
}
.login-box .strip { height: 4px; background: var(--accent); }
.login-body { padding: 24px; }
.login-body h1 { margin: 0 0 6px; font-size: 28px; text-transform: uppercase; letter-spacing: .02em; }
.login-body p { margin: 0 0 18px; color: var(--muted); }
.field label { display: block; font-family: var(--font-label); font-weight: 600; margin-bottom: 4px; }
.field input {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: 7px;
  min-height: 40px;
  padding: 0 12px;
}
.login-body .btn { width: 100%; margin-top: 14px; min-height: 42px; }
.login-body .alert { margin-top: 14px; }

@media (max-width: 640px) {
  .stats { gap: 8px; }
  .stat { padding: 10px; }
  .stat .num { font-size: 24px; }
  .project-row { grid-template-columns: 1fr; gap: 8px; }
  .title-block { grid-template-columns: 1fr 1fr; }
  .title-cell { border-left: 0; border-top: 1px solid var(--line-2); }
  .title-cell:first-child { grid-column: 1 / -1; border-top: 0; }
  .children { margin-left: 10px; }
  .bar.mini { width: 48px; }
  .batches { margin-left: 12px; }
}