:root {
  --brand: #0f2a44;
  --brand-2: #1d4ed8;
  --accent: #2563eb;
  --bg: #f1f4f8;
  --surface: #ffffff;
  --surface-2: #f7f9fc;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --danger: #dc2626;
  --ok: #16a34a;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 4px 16px rgba(15, 23, 42, 0.06);
  --radius: 14px;
  --radius-sm: 10px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1220;
    --surface: #131d2e;
    --surface-2: #18243a;
    --ink: #e2e8f0;
    --muted: #94a3b8;
    --line: #26344d;
    --accent: #3b82f6;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 6px 20px rgba(0, 0, 0, 0.3);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1220;
  --surface: #131d2e;
  --surface-2: #18243a;
  --ink: #e2e8f0;
  --muted: #94a3b8;
  --line: #26344d;
  --accent: #3b82f6;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 6px 20px rgba(0, 0, 0, 0.3);
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden], .hidden { display: none !important; }
html, body { height: 100%; }

body {
  margin: 0;
  font: 15px/1.45 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2 { margin: 0; letter-spacing: -0.01em; }
h1 { font-size: 22px; font-weight: 700; }
h2 { font-size: 15px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.muted { color: var(--muted); font-size: 13px; margin: 0; }

/* ---------- Botões e campos ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}
.btn:hover { background: var(--surface-2); }
.btn:active { transform: scale(0.98); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn:disabled { opacity: 0.4; cursor: default; }
.btn.icon { width: 42px; padding: 0; font-size: 20px; line-height: 1; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--brand-2); }
.btn.danger { color: var(--danger); }
.btn.small { min-height: 36px; padding: 6px 10px; font-size: 13px; }
.btn.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { border-color: transparent; background: transparent; }

input, select, textarea {
  font: inherit;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  background: var(--surface);
  min-height: 40px;
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea { resize: vertical; }

/* ---------- Tela inicial ---------- */

.home {
  height: 100%;
  overflow: auto;
  padding: 0 0 48px;
}
.home-top {
  background: var(--brand);
  color: #fff;
  padding: 28px 20px 88px;
}
.home-inner { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand img { width: 52px; height: 52px; border-radius: 14px; flex: none; }
.brand h1 { color: #fff; }
.brand p { margin: 2px 0 0; color: #b6c6dc; font-size: 14px; }
.home-actions { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.home-actions .btn { min-height: 44px; }
.home-actions .btn.primary { background: #fff; color: var(--brand); border-color: #fff; }
.home-actions .btn.primary:hover { background: #e8eef7; }
.home-actions .btn.ghost { color: #fff; border-color: rgba(255,255,255,0.3); }
.home-actions .btn.ghost:hover { background: rgba(255,255,255,0.1); }

.home-body { max-width: 960px; margin: -64px auto 0; padding: 0 16px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stat {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
}
.stat strong { display: block; font-size: 26px; font-weight: 700; letter-spacing: -0.02em; }
.stat span { color: var(--muted); font-size: 13px; }

.install-card {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.install-card img { width: 40px; height: 40px; border-radius: 10px; flex: none; }
.install-card div { flex: 1; font-size: 14px; }

.dropzone {
  margin: 20px 0 8px;
  padding: 22px 16px;
  border: 1.5px dashed var(--line);
  border-radius: var(--radius);
  text-align: center;
  color: var(--muted);
  background: var(--surface);
  transition: border-color 0.15s, background 0.15s;
}
.dropzone.over { border-color: var(--accent); background: rgba(37, 99, 235, 0.08); color: var(--ink); }

.section-head { display: flex; justify-content: space-between; align-items: baseline; margin: 24px 0 10px; }
.doc-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.doc-card {
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px 10px 10px 16px;
}
.doc-open {
  flex: 1;
  min-width: 0;
  text-align: left;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 0;
}
.doc-open strong { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.doc-open:hover strong { color: var(--accent); }

/* ---------- Visualizador ---------- */

.viewer { height: 100%; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--brand);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.topbar .btn {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.14);
  color: #fff;
}
.topbar .btn:hover { background: rgba(255,255,255,0.16); }
.topbar .btn:disabled { opacity: 0.35; }
.topbar .btn.primary { background: #fff; color: var(--brand); border-color: #fff; }
.doc-title {
  flex: 1 1 160px;
  min-width: 120px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.group {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
}
.group .btn { border: 0; background: transparent; }
.group .btn:hover { background: rgba(255,255,255,0.14); }
.page-info { font-size: 13px; color: #cbd5e1; white-space: nowrap; min-width: 130px; text-align: center; padding: 0 4px; }

.menu { position: relative; }
.menu > summary { list-style: none; display: inline-flex; align-items: center; }
.menu > summary::-webkit-details-marker { display: none; }
.menu-items {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 20;
  display: grid;
  min-width: 250px;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.18);
  padding: 6px;
}
.menu-item {
  text-align: left;
  min-height: 44px;
  padding: 8px 12px;
  border: 0;
  background: none;
  color: var(--ink);
  font: inherit;
  border-radius: 8px;
  cursor: pointer;
}
.menu-item:hover { background: var(--surface-2); }

.catbar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 6px 12px 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}
.chip:hover { border-color: var(--muted); }
.chip.on { border-color: var(--accent); background: rgba(37, 99, 235, 0.1); box-shadow: 0 0 0 1px var(--accent) inset; }
.chip .count {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  background: var(--surface-2);
  border-radius: 999px;
  padding: 1px 8px;
}
.ico { width: 18px; height: 18px; flex: none; }

.hint {
  padding: 7px 14px;
  font-size: 13px;
  color: var(--muted);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.workspace { position: relative; flex: 1; min-height: 0; display: flex; }

.stage {
  flex: 1;
  min-width: 0;
  overflow: auto;
  padding: 24px;
  display: flex;
  background:
    radial-gradient(var(--line) 1px, transparent 1px) 0 0 / 22px 22px,
    var(--bg);
}
.page-wrap {
  margin: auto;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(15,23,42,0.08), 0 12px 32px rgba(15,23,42,0.14);
  line-height: 0;
}
#pageCanvas {
  display: block;
  touch-action: pan-x pan-y pinch-zoom;
  -webkit-user-select: none;
  user-select: none;
  border-radius: 4px;
}

/* ---------- Painel lateral ---------- */

.side {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(370px, 92vw);
  z-index: 10;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-left: 1px solid var(--line);
  box-shadow: -12px 0 32px rgba(15, 23, 42, 0.12);
  overflow-y: auto;
}
.side-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
.side-head strong { font-size: 15px; }
.filters { display: grid; gap: 8px; padding: 12px 16px; grid-template-columns: 1fr 1fr; }
.filters select { min-height: 38px; font-size: 13px; }

.marker-list { list-style: none; margin: 0; padding: 0; }
.marker-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background 0.12s;
}
.marker-list li:hover { background: var(--surface-2); }
.marker-list li.resolved { opacity: 0.5; }
.marker-list li.empty { cursor: default; color: var(--muted); }
.marker-list li.empty:hover { background: none; }
.li-icon { width: 22px; flex: none; padding-top: 2px; }
.li-body { flex: 1; min-width: 0; font-size: 14px; }
.li-body .muted { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
.tag {
  flex: none;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.15);
  color: #b45309;
}
.tag.resolvido { background: rgba(22, 163, 74, 0.14); color: var(--ok); }

.detail { padding: 16px; display: grid; gap: 16px; align-content: start; }
.detail .side-head { padding: 0 0 12px; border-bottom: 0; justify-content: flex-start; }
.field { display: grid; gap: 6px; font-size: 13px; font-weight: 500; color: var(--muted); }
.field select, .field textarea { color: var(--ink); font-size: 15px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: space-between; }

/* ---------- Diálogo de categorias ---------- */

dialog {
  width: min(580px, 94vw);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.3);
}
dialog::backdrop { background: rgba(15, 23, 42, 0.45); backdrop-filter: blur(2px); }
dialog h2 { text-transform: none; letter-spacing: 0; font-size: 18px; color: var(--ink); }
dialog .row { margin-top: 18px; }
.cat-editor { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 8px; }
.cat-row {
  display: grid;
  grid-template-columns: 44px 1fr 150px auto;
  gap: 8px;
  align-items: center;
}
.cat-row input[type="color"] { padding: 3px; height: 40px; cursor: pointer; }

/* ---------- Avisos ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 16px);
  background: var(--brand);
  color: #fff;
  padding: 11px 18px;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.3);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  max-width: 90vw;
  text-align: center;
  font-size: 14px;
  z-index: 100;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Telas menores ---------- */

@media (max-width: 760px) {
  .home-top { padding: 22px 16px 76px; }
  .stats { gap: 8px; }
  .stat { padding: 12px; }
  .stat strong { font-size: 20px; }
  .topbar { padding: 8px; gap: 6px; }
  .page-info { min-width: 0; font-size: 12px; }
  .stage { padding: 12px; }
  .cat-row { grid-template-columns: 44px 1fr; }
  .cat-row .c-shape { grid-column: 1 / 3; }
}

@media (min-width: 1100px) {
  .side { position: static; width: 370px; flex: none; box-shadow: none; }
}

/* ---------- Fontes, navegação em nuvem e Sobre ---------- */

.source-list { display: grid; gap: 10px; margin-top: 14px; }
.source-btn {
  display: grid;
  gap: 2px;
  text-align: left;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.source-btn:hover { border-color: var(--accent); background: var(--surface-2); }
.source-btn strong { font-weight: 600; }
.source-btn span { font-size: 13px; }

dialog.browse { width: min(560px, 94vw); height: min(640px, 86vh); padding: 0; display: flex; flex-direction: column; }
dialog.browse[open] { display: flex; }
dialog.browse .side-head { padding: 14px 16px; }
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--line);
}
.crumb {
  border: 0;
  background: none;
  color: var(--accent);
  font: inherit;
  padding: 4px 6px;
  border-radius: 6px;
  cursor: pointer;
}
.crumb:hover { background: var(--surface-2); }
.sep { color: var(--muted); }
.browse-list { list-style: none; margin: 0; padding: 0; flex: 1; overflow-y: auto; }
.browse-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 10px 16px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: none;
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.browse-item:hover { background: var(--surface-2); }
.browse-item .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kind {
  flex: none;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 6px;
}
.kind.folder { background: rgba(37, 99, 235, 0.12); color: var(--accent); }
.kind.pdf { background: rgba(220, 38, 38, 0.12); color: var(--danger); }
.browse-status { padding: 10px 16px; min-height: 36px; margin: 0; }

.app-footer {
  margin-top: 32px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

dialog.about { width: min(480px, 94vw); }
.about-head { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.about-head img { width: 64px; height: 64px; border-radius: 16px; }
.about-head h2 { text-transform: none; letter-spacing: -0.01em; font-size: 20px; color: var(--ink); margin: 0; }
.about-list { display: grid; grid-template-columns: 130px 1fr; gap: 10px 14px; margin: 18px 0 0; font-size: 14px; }
.about-list dt { color: var(--muted); }
.about-list dd { margin: 0; }