/* ============ Strings theme ============ */
:root {
  --cork-board: #B8956A;
  --cork-board-dark: #8B6F47;
  --string-red: #8B2500;
  --string-blue: #1B3A5C;
  --string-green: #4A5D23;
  --string-yellow: #C4A035;
  --string-white: #E8DCC8;
  --wood-dark: #3E2723;
  --wood-medium: #5D4037;
  --brass: #B8860B;
  --brass-light: #D4A843;
  --paper-cream: #F5ECD7;
  --paper-aged: #E8D9B5;
  --ink-dark: #1A1207;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--wood-dark);
  font-family: 'Special Elite', 'Courier New', monospace;
  color: var(--paper-cream);
  -webkit-user-select: none;
  user-select: none;
}

.hidden { display: none !important; }

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
}

/* ============ Investigation list ============ */
.list-header {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  position: relative;
}

.auth-area {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
}
.auth-area .auth-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--paper-cream);
}
.auth-area .auth-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--brass);
}
.auth-area .btn { padding: 8px 12px; font-size: 13px; }
.list-header h1 {
  font-size: 28px;
  font-weight: normal;
  letter-spacing: 4px;
  color: var(--paper-cream);
}

.investigation-grid {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 280px));
  gap: 16px;
  align-content: start;
  justify-content: center;
}

.inv-card {
  aspect-ratio: 0.85;
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  background: var(--paper-aged);
  color: var(--ink-dark);
  box-shadow: 0 2px 6px rgba(0,0,0,0.4);
  transition: transform 0.1s ease;
}
.inv-card:hover { transform: translateY(-2px); }

.inv-card.new-card {
  background: rgba(232, 217, 181, 0.3);
  border: 1.5px solid var(--brass);
  align-items: center;
  justify-content: center;
  color: var(--paper-cream);
  box-shadow: none;
}
.inv-card.new-card .material-icons {
  font-size: 48px;
  color: var(--brass);
  margin-bottom: 12px;
}
.inv-card.new-card .new-label { font-size: 16px; }

.inv-card .inv-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--brass);
  margin-bottom: 6px;
}
.inv-card .inv-badge .material-icons { font-size: 14px; }

.inv-card .inv-name {
  font-size: 22px;
  line-height: 1.2;
  word-break: break-word;
}
.inv-card .inv-spacer { flex: 1; }
.inv-card .inv-meta { font-size: 14px; }
.inv-card .inv-updated { font-size: 14px; opacity: 0.6; margin-top: 4px; }

/* ============ Board screen layout ============ */
#board-screen { flex-direction: row; }

.board-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.viewer-banner {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px;
  background: var(--wood-dark);
  color: var(--brass-light);
  border-bottom: 1px solid var(--brass);
  font-size: 13px;
  letter-spacing: 1px;
}
.viewer-banner .material-icons { font-size: 16px; }

.canvas-container {
  flex: 1;
  position: relative;
  min-height: 0;
  background: var(--wood-medium);
}
#board-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}
#board-canvas.mode-select  { cursor: grab; }
#board-canvas.mode-connect { cursor: crosshair; }
#board-canvas.mode-delete  { cursor: not-allowed; }
#board-canvas.dragging     { cursor: grabbing; }

/* ============ Toolbar ============ */
.toolbar {
  height: 56px;
  flex: none;
  background: var(--wood-dark);
  border-top: 1.5px solid var(--brass);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 2px;
}
.toolbar-group { display: flex; gap: 2px; }
.toolbar-spacer { flex: 1; }
.toolbar-divider {
  width: 1px;
  height: 32px;
  margin: 0 8px;
  background: var(--brass);
}

.icon-btn {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--paper-cream);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-btn .material-icons { font-size: 22px; }
.icon-btn:hover { background: rgba(184, 134, 11, 0.25); }
.icon-btn.active {
  background: var(--brass);
  color: var(--ink-dark);
}
.icon-btn.small { width: 28px; height: 28px; }
.icon-btn.small .material-icons { font-size: 18px; }
.icon-btn:disabled { opacity: 0.35; cursor: default; }
.icon-btn:disabled:hover { background: transparent; }

/* ============ Thread panel ============ */
.thread-panel {
  width: 240px;
  flex: none;
  background: var(--paper-aged);
  border-right: 1.5px solid var(--brass);
  display: flex;
  flex-direction: column;
}
.thread-header {
  height: 40px;
  flex: none;
  background: var(--wood-dark);
  border-bottom: 1px solid var(--brass);
  display: flex;
  align-items: center;
  padding: 0 8px;
}
.thread-title {
  flex: 1;
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--paper-cream);
}
.thread-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}
.thread-empty {
  padding: 16px;
  text-align: center;
  font-family: 'Caveat', cursive;
  font-size: 16px;
  color: rgba(26, 18, 7, 0.5);
}
.thread-item {
  display: flex;
  align-items: center;
  padding: 1px 4px;
  gap: 4px;
}
.thread-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 8px;
  accent-color: var(--brass);
  cursor: pointer;
}
.thread-item .thread-text {
  flex: 1;
  font-family: 'Caveat', cursive;
  font-size: 16px;
  color: var(--ink-dark);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.thread-item.resolved .thread-text { text-decoration: line-through; }
.thread-item .thread-delete {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--ink-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.thread-item .thread-delete .material-icons { font-size: 14px; }

.thread-add {
  padding: 8px;
  border-top: 0.5px solid var(--brass);
}
.thread-add input {
  width: 100%;
  padding: 8px;
  font-family: 'Caveat', cursive;
  font-size: 16px;
  color: var(--ink-dark);
  background: var(--paper-cream);
  border: 0.5px solid var(--brass);
  border-radius: 4px;
  outline: none;
}
.thread-add input:focus { border-width: 1px; }
.thread-add input::placeholder { color: rgba(26, 18, 7, 0.4); }

.thread-collapsed-tab {
  width: 40px;
  flex: none;
  background: var(--wood-dark);
  border-right: 1.5px solid var(--brass);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.thread-tab-label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--paper-cream);
}

/* ============ Dialogs ============ */
.dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.dialog {
  background: var(--paper-aged);
  color: var(--ink-dark);
  border-radius: 8px;
  padding: 20px 24px;
  min-width: 300px;
  max-width: 420px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.dialog h2 {
  font-size: 22px;
  font-weight: normal;
  margin-bottom: 16px;
  color: var(--ink-dark);
}
.dialog p {
  font-size: 14px;
  margin-bottom: 16px;
}
.dialog .dialog-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.dialog .dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

.btn {
  font-family: 'Special Elite', monospace;
  font-size: 14px;
  padding: 10px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  background: var(--brass);
  color: var(--ink-dark);
}
.btn:hover { background: var(--brass-light); }
.btn.full { width: 100%; }
.btn.text {
  background: transparent;
  color: var(--ink-dark);
}
.btn.text:hover { background: rgba(26, 18, 7, 0.08); }
.btn.danger {
  background: var(--string-red);
  color: var(--paper-cream);
}
.btn.danger:hover { background: #a53210; }
.btn.person-note { background: var(--string-blue); color: var(--paper-cream); }
.btn.event-note  { background: var(--string-yellow); color: var(--paper-cream); }
.btn.item-note   { background: var(--string-green); color: var(--paper-cream); }
.btn.location-note { background: var(--string-red); color: var(--paper-cream); }

.dialog input[type="text"], .dialog textarea {
  width: 100%;
  padding: 10px 12px;
  font-family: 'Caveat', cursive;
  font-size: 16px;
  color: var(--ink-dark);
  background: var(--paper-cream);
  border: 1px solid var(--brass);
  border-radius: 4px;
  outline: none;
  margin-bottom: 10px;
  resize: vertical;
}
.dialog input::placeholder, .dialog textarea::placeholder {
  color: rgba(26, 18, 7, 0.5);
  font-family: 'Caveat', cursive;
}

/* ============ Context menu / string panel ============ */
.floating-panel {
  position: fixed;
  z-index: 90;
  background: var(--paper-aged);
  color: var(--ink-dark);
  border: 1px solid var(--brass);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

.context-menu { width: 200px; padding: 4px 0; }
.context-menu .menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  font-size: 14px;
  cursor: pointer;
}
.context-menu .menu-item:hover { background: rgba(184, 134, 11, 0.15); }
.context-menu .menu-item .material-icons { font-size: 18px; }
.context-menu .menu-item.destructive { color: var(--string-red); }
.context-menu .menu-divider { height: 1px; background: var(--brass); }

.string-panel { width: 220px; padding: 12px; }
.string-panel .panel-label { font-size: 14px; margin-bottom: 8px; }
.string-panel .swatches { display: flex; gap: 8px; margin-bottom: 12px; }
.string-panel .swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid transparent;
}
.string-panel .swatch.selected { border-color: var(--brass); }
.string-panel input[type="text"] {
  width: 100%;
  padding: 6px 4px;
  font-family: 'Caveat', cursive;
  font-size: 16px;
  color: var(--ink-dark);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--brass);
  outline: none;
  margin-bottom: 12px;
}
.string-panel .btn { width: 100%; display: flex; align-items: center; justify-content: center; gap: 6px; }
.string-panel .btn .material-icons { font-size: 16px; }

/* ============ View-only (shared board) ============ */
body.view-only .mode-btn,
body.view-only #btn-add-image,
body.view-only #btn-add-note,
body.view-only #btn-undo,
body.view-only #btn-redo,
body.view-only #btn-save,
body.view-only #btn-load,
body.view-only .toolbar-divider,
body.view-only .thread-add {
  display: none;
}
body.view-only #board-canvas { cursor: grab; }

/* ============ Snackbar ============ */
.snackbar {
  position: fixed;
  left: 50%;
  bottom: 72px;
  transform: translateX(-50%);
  background: var(--wood-medium);
  color: var(--paper-cream);
  padding: 10px 20px;
  border-radius: 4px;
  border: 1px solid var(--brass);
  font-size: 14px;
  z-index: 200;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}