/* Тёмная тема рабочего инструмента разметки: один акцентный цвет, зелёный — успех, красный — ошибки. */

:root {
  --bg: #14161b;
  --canvas: #0e1014;
  --panel: #191c23;
  --panel-2: #22262f;
  --panel-hover: #2a2f3a;
  --input-bg: #0f1216;
  --text: #e8ebf1;
  --dim: #9aa3b2;
  --faint: #7d8595;
  --border: #2a2f39;
  --border-strong: #3a4150;
  --accent: #5b8cff;
  --accent-hover: #729dff;
  --accent-soft: rgba(91, 140, 255, 0.14);
  --green: #4cb26a;
  --red: #e0564d;
  --warn: #d9a62e;
  --radius: 6px;
  --radius-lg: 8px;
}

* { box-sizing: border-box; }

/* Атририбут hidden не должен перебиваться авторскими display: flex и т. п. */
[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  font-size: 13px;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--panel-2); border-radius: 5px; border: 2px solid var(--panel); }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* --- Общие элементы управления --- */

.button, button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 30px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel-2);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.12s, border-color 0.12s, color 0.12s;
}

button:hover:not(:disabled), .button:hover {
  background: var(--panel-hover);
  border-color: var(--border-strong);
  color: var(--text);
}
button:active:not(:disabled) { background: var(--border); }
button:focus-visible, .button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
button:disabled { opacity: 0.45; cursor: default; }

button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }

button.ghost, .button.ghost { background: transparent; }
button.ghost:hover:not(:disabled), .button.ghost:hover { background: var(--panel-2); }

button.icon { width: 30px; padding: 0; flex: none; }
button.icon svg { width: 15px; height: 15px; }
button.compact { padding: 0 10px; font-size: 12px; color: var(--dim); }

#auto svg { width: 13px; height: 13px; }

/* --- Шапка --- */

header {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 42px;
  padding: 0 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex: none;
}

.dataset { display: flex; align-items: center; gap: 10px; min-width: 0; }
#dataset-name { font-weight: 600; white-space: nowrap; }
.progress { color: var(--dim); font-variant-numeric: tabular-nums; white-space: nowrap; }
.progress-bar {
  width: 120px;
  height: 4px;
  background: var(--panel-2);
  border-radius: 2px;
  overflow: hidden;
  flex: none;
}
#progress-fill { height: 100%; width: 0%; background: var(--green); transition: width 0.2s; }

.autosave {
  margin-left: auto;
  display: flex;
  gap: 7px;
  align-items: center;
  color: var(--dim);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.autosave input { accent-color: var(--accent); width: 14px; height: 14px; cursor: pointer; }

/* --- Каркас --- */

#layout { display: flex; flex: 1; min-height: 0; }

.resizer {
  width: 5px;
  flex: none;
  cursor: col-resize;
  background: transparent;
  z-index: 5;
  transition: background-color 0.12s;
}
.resizer:hover, .resizer:active { background: var(--accent-soft); }
body.resizing { cursor: col-resize; }
body.resizing * { user-select: none !important; cursor: col-resize !important; }

main { display: flex; flex: 1; min-width: 0; }

/* --- Левая панель: дерево файлов --- */

#sidebar {
  width: 280px;
  min-width: 220px;
  max-width: 400px;
  overflow: auto;
  background: var(--panel);
  padding: 6px 6px 14px;
  flex: none;
}

#sidebar .dir {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 8px 3px;
  color: var(--dim);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
#sidebar .dir-name { overflow: hidden; text-overflow: ellipsis; }
#sidebar .count {
  font-weight: 400;
  font-size: 11px;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
  flex: none;
}
#sidebar .group { margin-left: 11px; }

#sidebar .file {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 26px;
  padding: 0 8px;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--dim);
  position: relative;
}
#sidebar .file:hover { background: var(--panel-2); color: var(--text); }
#sidebar .file .status {
  width: 14px;
  height: 14px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
#sidebar .file .status svg { width: 12px; height: 12px; color: var(--green); }
#sidebar .file.partial .status svg { width: 13px; height: 13px; color: var(--warn); }
#sidebar .file.todo .status::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--faint);
  opacity: 0.7;
}
#sidebar .file .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#sidebar .file.current { background: var(--accent-soft); color: var(--text); }
#sidebar .file.current::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  border-radius: 2px;
  background: var(--accent);
}

/* --- Центр: просмотрщик --- */

#viewer { flex: 1; min-width: 0; display: flex; flex-direction: column; background: var(--canvas); }

#viewer-toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px 8px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex: none;
}
.tool-sep { width: 1px; height: 18px; background: var(--border); margin: 0 6px; flex: none; }
#zoom-reset { margin-left: 4px; }

.zoom-group { display: flex; align-items: center; position: relative; }
#zoom-level {
  min-width: 50px;
  padding: 0 4px;
  background: transparent;
  border-color: transparent;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}
#zoom-level:hover { color: var(--text); }

#zoom-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 30;
  min-width: 140px;
  padding: 4px;
  background: var(--panel-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
}
#zoom-menu button {
  width: 100%;
  justify-content: space-between;
  height: 28px;
  background: transparent;
  border: none;
  border-radius: 5px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
#zoom-menu button:hover { background: var(--panel-hover); }
#zoom-menu button.active { background: var(--accent-soft); color: var(--accent); }
#zoom-menu .zoom-menu-sep { height: 1px; background: var(--border); margin: 4px 6px; }

#file-caption {
  margin-left: auto;
  color: var(--dim);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-left: 10px;
  flex: 1;
  text-align: right;
}

#viewport {
  flex: 1;
  overflow: hidden;
  background: var(--canvas);
  position: relative;
  cursor: grab;
}
#viewport.dragging, #viewport.pan-ready { cursor: grab; }
#viewport.dragging { cursor: grabbing; }

#pages {
  position: absolute;
  left: 0;
  top: 0;
  transform-origin: 0 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  will-change: transform;
}
#pages img {
  display: block;
  max-width: none;
  user-select: none;
  -webkit-user-drag: none;
  box-shadow: 0 2px 18px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.viewer-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: var(--faint);
  background: var(--canvas);
  pointer-events: none;
}

.spinner {
  width: 13px;
  height: 13px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Правая панель --- */

#form-panel {
  width: 420px;
  min-width: 320px;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  flex: none;
}

.panel-block { padding: 12px 14px; border-bottom: 1px solid var(--border); }
.block-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faint);
  font-weight: 600;
  margin-bottom: 9px;
}

#type {
  width: 100%;
  height: 32px;
  padding: 0 8px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
}
#type:hover:not(:disabled) { border-color: var(--border-strong); }
#type:disabled { opacity: 0.6; cursor: default; }

.ai-actions { margin-top: 10px; display: flex; flex-direction: column; gap: 8px; }
#auto { width: 100%; height: 34px; }
.ai-row { display: flex; gap: 8px; }
.ai-row button { flex: 1; }

.ai-status {
  min-height: 18px;
  margin-top: 9px;
  font-size: 12px;
  color: var(--dim);
  display: flex;
  align-items: center;
  gap: 7px;
}
.ai-status.ok { color: var(--green); }
.ai-status.error { color: var(--red); }
.ai-status.hint { color: var(--faint); }

.fields-block {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding-bottom: 0;
}
#form { flex: 1; overflow: auto; padding-bottom: 12px; }

.note {
  margin: 0;
  padding: 8px 10px;
  background: var(--panel-2);
  border-radius: var(--radius);
  color: var(--dim);
  font-size: 12px;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin: 0 0 10px;
  padding: 8px 10px 6px;
}
legend { color: var(--dim); padding: 0 4px; font-size: 12px; }

.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 9px; }
.field > span { font-size: 12px; color: var(--dim); }
.field input[type="text"], .field input[type="number"], .field select, .field textarea,
.array-item input[type="text"], .array-item input[type="number"], .array-item select {
  width: 100%;
  height: 30px;
  padding: 0 8px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
}
.field input[type="text"]:hover, .field input[type="number"]:hover, .field select:hover {
  border-color: var(--border-strong);
}
.field input[type="text"]:focus, .field input[type="number"]:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}
.field input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }

.array-item { display: flex; gap: 6px; align-items: start; margin-bottom: 6px; }
.array-item .field { flex: 1; margin-bottom: 0; }
.array-item button { padding: 0 8px; flex: none; }
.add-row { width: 100%; margin-bottom: 10px; }

/* --- Низ правой панели: статус и навигация --- */

.panel-foot {
  border-top: 1px solid var(--border);
  padding: 8px 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  flex: none;
}

.status-row { display: flex; align-items: center; gap: 8px; min-height: 20px; }

.save-status {
  flex: 1;
  min-width: 0;
  font-size: 12px;
  color: var(--faint);
  display: flex;
  align-items: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.save-status.dirty { color: var(--warn); }
.save-status.saved { color: var(--green); opacity: 0.8; }
.save-status.error { color: var(--red); }

.nav-row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.nav-row .icon { width: 32px; }
.nav-row .primary { margin-left: auto; }
#next-unfilled { color: var(--dim); }
#next-unfilled:hover:not(:disabled) { color: var(--text); }

.done-toggle {
  display: flex;
  gap: 7px;
  align-items: center;
  color: var(--dim);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  padding: 0 4px;
}
.done-toggle input { accent-color: var(--green); width: 15px; height: 15px; cursor: pointer; }
.done-toggle:has(input:checked) { color: var(--green); }

/* --- Всплывающее сообщение --- */

#toast {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel-2);
  border: 1px solid var(--border-strong);
  padding: 10px 18px;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.5);
  max-width: 70vw;
  z-index: 50;
}
#toast.error { border-color: var(--red); }

/* --- Экран библиотеки датасетов --- */

body.library-mode { overflow: auto; }
body.library-mode header, body.library-mode #layout { display: none; }

#library {
  display: flex;
  justify-content: center;
  padding: 56px 24px 80px;
  min-height: 100vh;
}
.library-box { width: 100%; max-width: 720px; }
.library-box h1 { font-size: 22px; margin: 0 0 8px; }
.library-hint { color: var(--dim); font-size: 13px; margin: 0 0 20px; max-width: 560px; }
.library-toolbar { margin-bottom: 18px; }
.library-toolbar .primary { height: 34px; }

.upload-progress { display: flex; align-items: center; gap: 12px; margin: 0 0 18px; }
.upload-progress .progress-bar { width: 200px; }
#upload-fill { height: 100%; width: 0%; background: var(--accent); transition: width 0.15s; }
#upload-status { color: var(--dim); font-size: 12px; }

.library-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 10px;
}
.library-row:hover { border-color: var(--border-strong); }
.library-info { flex: 1; min-width: 0; }
.library-name { font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.library-meta { color: var(--dim); font-size: 12px; margin: 3px 0 7px; }
.library-bar { width: 160px; }
button.danger { color: var(--red); }
button.danger:hover:not(:disabled) { border-color: var(--red); background: rgba(224, 86, 77, 0.1); color: var(--red); }

/* --- Модальное окно выгрузки --- */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 13, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
}
.modal-box {
  width: 400px;
  max-width: calc(100vw - 32px);
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 18px 20px 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}
.modal-title { font-size: 15px; font-weight: 600; margin-bottom: 14px; }
.modal-section { margin-bottom: 12px; }
.modal-label { font-size: 12px; color: var(--dim); margin-bottom: 5px; }
.radio {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 0;
  cursor: pointer;
  user-select: none;
}
.radio input { accent-color: var(--accent); width: 14px; height: 14px; cursor: pointer; }
.modal-note { font-size: 12px; color: var(--faint); margin: 2px 0 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }