/* ================================================================
   OrgChart Studio — design tokens + base
   ================================================================ */

:root {
  /* Type */
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Cool-neutral palette (default flavor) */
  --bg-app: oklch(98.6% 0.003 250);
  --bg-canvas: oklch(97.2% 0.004 250);
  --bg-panel: oklch(100% 0 0);
  --bg-panel-2: oklch(97.8% 0.003 250);
  --bg-hover: oklch(95.2% 0.004 250);
  --bg-active: oklch(92.5% 0.01 262);

  --border-subtle: oklch(93.5% 0.005 250);
  --border-default: oklch(89.5% 0.006 250);
  --border-strong: oklch(82% 0.008 250);

  --text-1: oklch(22% 0.012 260);
  --text-2: oklch(42% 0.01 258);
  --text-3: oklch(58% 0.008 256);
  --text-4: oklch(70% 0.006 254);

  --accent: oklch(58% 0.14 262);
  --accent-weak: oklch(94% 0.03 262);
  --accent-strong: oklch(48% 0.16 262);
  --accent-fg: oklch(100% 0 0);

  --shadow-sm: 0 1px 2px oklch(20% 0.02 260 / 0.04), 0 1px 1px oklch(20% 0.02 260 / 0.03);
  --shadow-md: 0 1px 2px oklch(20% 0.02 260 / 0.05), 0 4px 12px oklch(20% 0.02 260 / 0.06);
  --shadow-lg: 0 8px 24px oklch(20% 0.02 260 / 0.08), 0 2px 6px oklch(20% 0.02 260 / 0.05);
  --shadow-pop: 0 20px 50px oklch(20% 0.02 260 / 0.16), 0 4px 12px oklch(20% 0.02 260 / 0.08);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* Card theme (overridden per theme preset) */
  --card-bg: #ffffff;
  --card-border: oklch(89.5% 0.006 250);
  --card-text: var(--text-1);
  --card-subtitle: var(--text-3);
  --card-accent: var(--accent);
  --line-color: oklch(78% 0.008 258);

  --density-pad-x: 14px;
  --density-pad-y: 12px;
  --density-gap: 44px;
}

/* Warm flavor */
[data-flavor="warm"] {
  --bg-app: oklch(98% 0.008 80);
  --bg-canvas: oklch(96.5% 0.012 78);
  --bg-panel: oklch(99.5% 0.004 80);
  --bg-panel-2: oklch(97% 0.01 78);
  --bg-hover: oklch(94% 0.014 78);
  --bg-active: oklch(91% 0.02 65);
  --border-subtle: oklch(92% 0.012 78);
  --border-default: oklch(87.5% 0.014 78);
  --text-1: oklch(23% 0.018 50);
  --text-2: oklch(42% 0.014 55);
  --text-3: oklch(58% 0.012 60);
  --accent: oklch(56% 0.14 35);
  --accent-weak: oklch(94% 0.03 35);
  --accent-strong: oklch(46% 0.16 35);
  --line-color: oklch(76% 0.012 70);
}

/* Density tweaks */
[data-density="compact"] {
  --density-pad-x: 10px;
  --density-pad-y: 8px;
  --density-gap: 32px;
}
[data-density="roomy"] {
  --density-pad-x: 18px;
  --density-pad-y: 16px;
  --density-gap: 56px;
}

* { box-sizing: border-box; }
html, body, #root {
  height: 100%;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-ui);
  font-feature-settings: 'cv11', 'ss01';
  background: var(--bg-app);
  color: var(--text-1);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}
button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: oklch(85% 0.006 258);
  border-radius: 10px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: oklch(75% 0.01 258); background-clip: padding-box; border: 2px solid transparent; }

/* ===== App shell ===== */

.app {
  display: grid;
  grid-template-rows: 52px 1fr;
  grid-template-columns: 260px 1fr 300px;
  grid-template-areas:
    "topbar topbar topbar"
    "left   center right";
  height: 100vh;
  width: 100vw;
}

.topbar {
  grid-area: topbar;
  display: grid;
  grid-template-columns: 260px 1fr 300px;
  align-items: center;
  padding: 0 14px 0 16px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-subtle);
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
}
.topbar-center {
  display: flex;
  justify-content: center;
  min-width: 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
  position: relative;
}
.brand-mark::before, .brand-mark::after {
  content: '';
  position: absolute;
  width: 5px;
  height: 5px;
  background: white;
  border-radius: 50%;
  opacity: 0.9;
}
.brand-mark::before { top: 5px; left: 5px; }
.brand-mark::after { bottom: 5px; right: 5px; }
.brand-text { font-weight: 600; }
.brand-dot { color: var(--text-4); font-weight: 400; margin: 0 2px; }
.brand-sub { color: var(--text-3); font-weight: 400; font-size: 13px; }

.logo-slot {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: 6px;
  border: 1px dashed var(--border-default);
  cursor: pointer;
  transition: all 120ms ease;
  font-size: 12px;
  color: var(--text-3);
}
.logo-slot:hover { border-color: var(--accent); color: var(--accent); }
.logo-slot.has-logo { border: 1px solid var(--border-subtle); }
.logo-slot img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  border-radius: 4px;
}
.logo-slot-placeholder {
  width: 24px; height: 24px;
  border-radius: 4px;
  background: var(--bg-panel-2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-4);
}

.option-name-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0;
}
.option-name-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 8px;
  pointer-events: none;
  border: 1px dashed var(--border);
  opacity: 0.7;
  transition: opacity 120ms ease, border-color 120ms ease;
}
.option-name-wrap:hover::before { opacity: 1; border-color: var(--accent); border-style: solid; }
.option-name-wrap:focus-within::before { display: none; }
.option-name-edit-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-4);
  pointer-events: none;
  opacity: 0.6;
  transition: opacity 120ms ease;
}
.option-name-wrap:hover .option-name-edit-icon { opacity: 1; color: var(--text-2); }
.option-name-wrap:focus-within .option-name-edit-icon { opacity: 0; }

.option-name-input {
  border: 1px solid transparent;
  background: transparent;
  padding: 9px 34px 9px 14px;
  border-radius: 8px;
  font-size: 14.5px;
  font-weight: 600;
  text-align: center;
  min-width: 280px;
  letter-spacing: -0.01em;
  color: var(--text-1);
  transition: background 120ms ease, box-shadow 120ms ease;
}
.option-name-input:hover { background: var(--bg-hover); }
.option-name-input:focus {
  outline: none;
  background: var(--bg-panel);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-weak);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  background: transparent;
  border: 1px solid transparent;
  transition: all 120ms ease;
  white-space: nowrap;
}
.btn:hover { background: var(--bg-hover); color: var(--text-1); }
.btn-outline { border-color: var(--border-default); background: var(--bg-panel); }
.btn-outline:hover { background: var(--bg-hover); border-color: var(--border-strong); }
.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-strong); color: var(--accent-fg); }
.btn-danger {
  background: oklch(55% 0.18 25);
  color: #fff;
  border-color: oklch(55% 0.18 25);
}
.btn-danger:hover { background: oklch(48% 0.19 25); color: #fff; border-color: oklch(48% 0.19 25); }
.btn-present {
  background: oklch(62% 0.17 45);
  color: #fff;
  border-color: oklch(62% 0.17 45);
}
.btn-present:hover { background: oklch(55% 0.18 45); color: #fff; border-color: oklch(55% 0.18 45); }
.btn-icon {
  width: 28px; height: 28px;
  padding: 0;
  justify-content: center;
  border-radius: 6px;
}

.kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--bg-panel-2);
  border: 1px solid var(--border-subtle);
  color: var(--text-3);
  margin-left: 4px;
}

/* ===== Left sidebar — Options ===== */

.sidebar-left {
  grid-area: left;
  background: var(--bg-panel);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.sidebar-header {
  padding: 14px 16px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.sidebar-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  font-family: var(--font-mono);
}
.sidebar-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-4);
  background: var(--bg-panel-2);
  padding: 2px 7px;
  border-radius: 10px;
}
.options-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 10px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.option-item {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 9px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: all 120ms ease;
}
.option-item:hover {
  background: var(--bg-hover);
}
.option-item.active {
  background: var(--bg-panel);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-weak);
}
.option-item.dragging { opacity: 0.4; }
.option-item.drop-target::before {
  content: '';
  position: absolute;
  top: -3px;
  left: 4px; right: 4px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.option-thumb {
  width: 52px;
  height: 38px;
  position: relative;
  border-radius: 5px;
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.option-thumb svg { width: 100%; height: 100%; display: block; }
.option-num {
  position: absolute;
  top: -6px;
  left: -6px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 5px;
  background: var(--card-bg, var(--bg-panel-2));
  border: 1px solid var(--border);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  z-index: 1;
  box-shadow: var(--shadow-sm);
}
.option-item.active .option-num {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.option-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.option-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.option-meta {
  font-size: 11px;
  color: var(--text-4);
  font-family: var(--font-mono);
}
.option-menu-btn {
  width: 22px; height: 22px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  opacity: 0;
  transition: all 120ms ease;
}
.option-item:hover .option-menu-btn { opacity: 1; }
.option-menu-btn:hover { background: var(--bg-panel-2); color: var(--text-1); }
.option-item.active .option-menu-btn { opacity: 0.7; }

.sidebar-footer {
  padding: 10px 12px 12px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.new-option-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px;
  border-radius: 8px;
  border: 1px dashed var(--border-default);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  transition: all 120ms ease;
}
.new-option-btn:hover {
  border-color: var(--accent);
  background: var(--accent-weak);
  color: var(--accent);
  border-style: solid;
}

/* ===== Surprise Me button ===== */
.surprise-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 9px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-3);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all 140ms ease;
  position: relative;
}
.surprise-btn:hover {
  color: oklch(42% 0.14 300);
  background: oklch(97% 0.03 300 / 0.7);
  border-color: oklch(85% 0.06 300 / 0.6);
}
.surprise-btn:active { transform: translateY(0.5px); }
.surprise-sparkle {
  font-size: 12px;
  display: inline-block;
  animation: surprise-wiggle 4.5s ease-in-out infinite;
  transform-origin: center;
  filter: saturate(0.85);
}
@keyframes surprise-wiggle {
  0%, 85%, 100% { transform: rotate(0) scale(1); }
  90% { transform: rotate(-12deg) scale(1.1); }
  95% { transform: rotate(14deg) scale(1.1); }
}

/* ===== Try another (canvas top-right) ===== */
.try-another-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px 6px 9px;
  border-radius: 999px;
  background: var(--bg-panel);
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-sm);
  color: var(--text-2);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  pointer-events: auto;
  transition: all 120ms ease;
  white-space: nowrap;
  flex-shrink: 0;
}
.try-another-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-weak);
}
.try-another-btn svg { transition: transform 400ms ease; }
.try-another-btn:hover svg { transform: rotate(180deg); }

/* ===== Famous-chart caption (on canvas) ===== */
.famous-caption {
  position: absolute;
  bottom: 64px;
  left: 16px;
  max-width: min(520px, calc(100% - 32px));
  padding: 9px 14px;
  border-radius: 10px;
  background: oklch(99% 0.005 260 / 0.94);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  font-size: 11.5px;
  line-height: 1.45;
  color: var(--text-2);
  font-style: italic;
  text-wrap: pretty;
  pointer-events: none;
  z-index: 4;
}
.famous-caption::before {
  content: "“";
  font-family: Georgia, serif;
  font-size: 22px;
  font-style: normal;
  color: var(--accent);
  vertical-align: -5px;
  margin-right: 3px;
  opacity: 0.55;
}
.famous-caption::after {
  content: "”";
  font-family: Georgia, serif;
  font-size: 22px;
  font-style: normal;
  color: var(--accent);
  vertical-align: -9px;
  margin-left: 3px;
  opacity: 0.55;
}

/* ===== Dwight's Version inspector section ===== */
.dwight-section {
  background: repeating-linear-gradient(
    45deg,
    oklch(96% 0.02 90) 0,
    oklch(96% 0.02 90) 14px,
    oklch(93% 0.08 90) 14px,
    oklch(93% 0.08 90) 22px
  );
  border-bottom: 3px solid oklch(60% 0.2 40);
  position: relative;
}
.dwight-section .inspector-label {
  font-weight: 700;
  color: oklch(30% 0.15 40);
  letter-spacing: 0.06em;
}
.radiation-trefoil {
  color: oklch(55% 0.22 40);
  display: inline-flex;
  animation: radiation-pulse 2.4s ease-in-out infinite;
}
@keyframes radiation-pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.12); }
}
.dwight-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-panel);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  cursor: pointer;
  transition: all 140ms ease;
  text-align: left;
}
.dwight-toggle:hover { border-color: oklch(55% 0.22 40); }
.dwight-toggle.on {
  background: oklch(30% 0.15 40);
  border-color: oklch(40% 0.2 40);
  color: oklch(98% 0.02 90);
  box-shadow: 0 0 0 3px oklch(55% 0.22 40 / 0.22);
}
.dwight-toggle-track {
  position: relative;
  width: 32px;
  height: 18px;
  border-radius: 999px;
  background: var(--border-default);
  flex-shrink: 0;
  transition: background 140ms ease;
}
.dwight-toggle.on .dwight-toggle-track {
  background: oklch(70% 0.2 40);
}
.dwight-toggle-thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
  transition: transform 160ms ease;
}
.dwight-toggle.on .dwight-toggle-thumb {
  transform: translateX(14px);
}
.dwight-toggle-label {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.3;
}
.dwight-hint {
  font-size: 11px;
  color: var(--text-3);
  margin-top: 8px;
  line-height: 1.4;
  font-style: italic;
}

/* Context menu */
.context-menu {
  position: fixed;
  z-index: 100;
  background: var(--bg-panel);
  border: 1px solid var(--border-default);
  border-radius: 9px;
  box-shadow: var(--shadow-pop);
  padding: 5px;
  min-width: 160px;
}
.context-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 5px;
  font-size: 13px;
  color: var(--text-1);
  cursor: pointer;
  width: 100%;
  text-align: left;
}
.context-menu-item:hover { background: var(--bg-hover); }
.context-menu-item.danger { color: oklch(56% 0.18 25); }
.context-menu-item.danger:hover { background: oklch(96% 0.03 25); }
.context-menu-separator {
  height: 1px;
  background: var(--border-subtle);
  margin: 4px 2px;
}
.context-menu-item svg { opacity: 0.7; flex-shrink: 0; }

/* ===== Canvas ===== */

.canvas-area {
  grid-area: center;
  position: relative;
  background: var(--bg-canvas);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.canvas-toolbar {
  position: absolute;
  bottom: 16px;
  left: 16px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  background: var(--bg-panel);
  border: 1px solid var(--border-default);
  border-radius: 9px;
  box-shadow: var(--shadow-md);
}
.canvas-toolbar .btn-icon {
  color: var(--text-2);
  border-radius: 6px;
}
.canvas-toolbar .btn-icon:hover { background: var(--bg-hover); color: var(--text-1); }
.zoom-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  padding: 0 8px;
  min-width: 42px;
  text-align: center;
}
.canvas-toolbar-sep {
  width: 1px;
  height: 18px;
  background: var(--border-subtle);
  margin: 0 2px;
}

.canvas-header {
  position: absolute;
  top: 16px;
  left: 20px;
  right: 20px;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}
.canvas-header-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-3);
  background: var(--bg-panel);
  padding: 4px 10px 4px 6px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  pointer-events: auto;
}
.canvas-header-logo img { width: 20px; height: 20px; object-fit: contain; border-radius: 3px; }
.canvas-header-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-3);
  font-family: var(--font-mono);
  background: var(--bg-panel);
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  pointer-events: auto;
}
.canvas-header-breadcrumb .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}

.canvas-bg--dots {
  background-image: radial-gradient(circle, oklch(85% 0.005 258) 1px, transparent 1px);
  background-size: 24px 24px;
}
.canvas-bg--grid {
  background-image:
    linear-gradient(to right, oklch(93% 0.004 258) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(93% 0.004 258) 1px, transparent 1px);
  background-size: 32px 32px;
}

.canvas-viewport {
  flex: 1;
  overflow: auto;
  position: relative;
  cursor: grab;
}
.canvas-viewport.is-panning {
  cursor: grabbing;
  user-select: none;
}
.canvas-viewport.is-panning * {
  cursor: grabbing !important;
}
.canvas-inner {
  min-width: max-content;
  min-height: max-content;
  display: block;
  padding: 96px 120px;
  position: relative;
}
.chart-stage {
  display: block;
  width: max-content;
  margin: 0 auto;
}

/* Card */
.node-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: var(--density-pad-y) var(--density-pad-x);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 150ms ease, transform 150ms ease, border-color 120ms ease;
  cursor: pointer;
  user-select: none;
}
.node-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--card-accent);
}
.node-card.selected {
  border-color: var(--card-accent);
  box-shadow: 0 0 0 3px var(--accent-weak), var(--shadow-md);
}
.node-card.dragging {
  opacity: 0.5;
  transform: scale(0.96);
}
.node-card::before {
  content: '';
  position: absolute;
  left: 0; top: 12px; bottom: 12px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--card-accent);
  opacity: 0;
  transition: opacity 150ms ease;
}
.node-card.is-lead::before { opacity: 1; }

.node-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: white;
  letter-spacing: -0.02em;
  position: relative;
  overflow: hidden;
  margin-top: 1px;
}
.node-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.node-avatar.silhouette {
  background: var(--bg-panel-2);
  color: var(--text-3);
}
.node-text {
  min-width: 0;
  flex: 1;
}
.node-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--card-text);
  letter-spacing: -0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.25;
}
.node-title {
  font-size: 11.5px;
  color: var(--card-subtitle);
  line-height: 1.35;
  margin-top: 3px;
  word-break: break-word;
  hyphens: auto;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.node-name-input, .node-title-input {
  background: transparent;
  border: 1px dashed var(--card-accent);
  border-radius: 4px;
  padding: 1px 4px;
  margin: -2px -5px;
  width: calc(100% + 10px);
  outline: none;
}
.node-name-input:focus, .node-title-input:focus {
  background: var(--card-bg);
  border-style: solid;
}

/* Add buttons around card */
.node-add-btn {
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: scale(0.6);
  transition: all 150ms cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 3;
  border: 2px solid var(--bg-canvas);
}
.node-card:hover .node-add-btn,
.node-card.selected .node-add-btn {
  opacity: 1;
  transform: scale(1);
}
.node-add-btn:hover {
  background: var(--accent-strong);
  transform: scale(1.1);
}
.node-add-btn--bottom {
  bottom: -11px;
  left: 50%;
  margin-left: -11px;
}
.node-add-btn--right {
  right: -11px;
  top: 50%;
  margin-top: -11px;
}
.node-delete-btn {
  position: absolute;
  top: -8px; right: -8px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--bg-panel);
  border: 1px solid var(--border-default);
  color: var(--text-3);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transition: all 150ms ease;
  z-index: 3;
}
.node-card.selected .node-delete-btn { opacity: 1; }
.node-delete-btn:hover {
  background: oklch(96% 0.04 25);
  color: oklch(55% 0.18 25);
  border-color: oklch(80% 0.08 25);
}

.chart-root {
  position: relative;
  display: inline-block;
}

/* SVG connectors layer */
.chart-connectors {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: visible;
}
.chart-connectors path {
  stroke: var(--line-color);
  stroke-width: 1.4;
  fill: none;
}

.chart-nodes {
  position: relative;
  z-index: 2;
}

/* ===== Right sidebar — Inspector ===== */

.sidebar-right {
  grid-area: right;
  background: var(--bg-panel);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
}
.inspector-section {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
}
.inspector-section:last-child { border-bottom: 0; flex: 1; display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.inspector-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  font-family: var(--font-mono);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.theme-swatch {
  position: relative;
  border-radius: 8px;
  padding: 8px 6px 6px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-panel);
  cursor: pointer;
  transition: all 120ms ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}
.theme-swatch:hover { border-color: var(--border-strong); }
.theme-swatch.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-weak);
}
.theme-swatch-preview {
  width: 100%;
  height: 28px;
  border-radius: 4px;
  display: flex;
  overflow: hidden;
}
.theme-swatch-preview span { flex: 1; height: 100%; }
.theme-swatch-name {
  font-size: 10.5px;
  color: var(--text-2);
  font-weight: 500;
}
.theme-swatch.active .theme-swatch-name { color: var(--text-1); }

/* Chart actions — tile style to match Layout swatches */
.chart-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.chart-action-btn {
  border-radius: 8px;
  padding: 14px 8px 12px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-panel);
  cursor: pointer;
  transition: all 120ms ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.chart-action-btn:hover { border-color: var(--border-strong); }
.chart-action-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-panel-2);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  transition: all 120ms ease;
}
.chart-action-btn:hover .chart-action-icon {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-weak);
}
.chart-action-label {
  font-size: 10.5px;
  color: var(--text-2);
  font-weight: 500;
  letter-spacing: 0.01em;
}
.chart-action-btn:hover .chart-action-label { color: var(--text-1); }
.chart-action-btn--danger:hover {
  border-color: oklch(80% 0.08 25);
}
.chart-action-btn--danger:hover .chart-action-icon {
  color: oklch(55% 0.18 25);
  border-color: oklch(80% 0.08 25);
  background: oklch(96% 0.03 25);
}
.chart-action-btn--danger:hover .chart-action-label { color: oklch(55% 0.18 25); }

.layout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.layout-swatch {
  border-radius: 8px;
  padding: 10px 8px 8px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-panel);
  cursor: pointer;
  transition: all 120ms ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.layout-swatch:hover { border-color: var(--border-strong); }
.layout-swatch.active {
  border-color: var(--accent);
  background: var(--accent-weak);
}
.layout-swatch-thumb {
  width: 100%;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.layout-swatch-thumb svg { width: 100%; height: 100%; }
.layout-swatch-thumb svg rect { fill: var(--text-3); }
.layout-swatch-thumb svg line { stroke: var(--text-3); stroke-width: 1; }
.layout-swatch.active .layout-swatch-thumb svg rect { fill: var(--accent); }
.layout-swatch.active .layout-swatch-thumb svg line { stroke: var(--accent); }
.layout-swatch-name {
  font-size: 11px;
  color: var(--text-2);
  font-weight: 500;
}

.notes-textarea {
  width: 100%;
  flex: 1 1 0;
  min-height: 120px;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--bg-panel-2);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-1);
  resize: none;
  transition: all 120ms ease;
}
.notes-textarea:focus {
  outline: none;
  background: var(--bg-panel);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-weak);
}
.notes-textarea::placeholder { color: var(--text-4); }

.tip-inline {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: none;
  color: var(--text-4);
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: color 140ms ease;
  line-height: 1.2;
}
.tip-inline-row {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.tip-inline:hover { color: oklch(58% 0.16 25); }
.tip-inline-heart {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  line-height: 1;
  color: oklch(70% 0.14 25 / 0.75);
  transition: color 140ms ease, transform 200ms ease;
  position: relative;
  top: -0.5px;
}
.tip-inline:hover .tip-inline-heart {
  color: oklch(60% 0.20 25);
  transform: scale(1.15);
}

/* ===== Tip modal ===== */
.tip-modal {
  position: relative;
  background: var(--bg-panel);
  border-radius: 16px;
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-lg);
  width: 420px;
  max-width: calc(100vw - 32px);
  padding: 28px 28px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: modal-pop 180ms ease-out;
}
@keyframes modal-pop {
  from { opacity: 0; transform: scale(0.96) translateY(6px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.tip-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 120ms ease, color 120ms ease;
}
.tip-close:hover { background: var(--bg-panel-2); color: var(--text-1); }
.tip-modal-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.tip-modal-heart {
  font-size: 24px;
  color: oklch(60% 0.20 25);
  line-height: 1;
}
.tip-modal-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-1);
  margin: 0;
  letter-spacing: -0.01em;
}
.tip-modal-body {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-2);
  margin: 0 0 18px;
  max-width: 300px;
  text-wrap: pretty;
}
.tip-modal-qr {
  width: 260px;
  height: 260px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--border-default);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.tip-modal-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.tip-modal-handle {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  margin-top: 12px;
}
.tip-modal-handle-label {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-4);
  letter-spacing: 0.02em;
}
.tip-modal-handle-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
  font-family: var(--font-mono);
}
.tip-modal-footer {
  margin-top: 18px;
  width: 100%;
  display: flex;
  justify-content: center;
}
.tip-close-btn {
  font-size: 12px;
  color: var(--text-3);
  background: transparent;
  border: 1px solid var(--border-subtle);
  padding: 7px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 120ms ease;
}
.tip-close-btn:hover {
  color: var(--text-1);
  border-color: var(--border-default);
  background: var(--bg-panel-2);
}

/* ===== Modals ===== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: oklch(20% 0.02 260 / 0.35);
  backdrop-filter: blur(6px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  animation: overlay-in 200ms ease;
}
@keyframes overlay-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.modal {
  background: var(--bg-panel);
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-pop);
  max-width: 820px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modal-in 240ms cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-header {
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.modal-title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 3px;
}
.modal-subtitle {
  font-size: 13px;
  color: var(--text-3);
  margin: 0;
}
.modal-close {
  width: 30px; height: 30px;
  border-radius: 7px;
  color: var(--text-3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.modal-close:hover { background: var(--bg-hover); color: var(--text-1); }
.modal-body {
  padding: 22px;
  overflow-y: auto;
  flex: 1;
}
.modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--bg-panel-2);
}

/* Confirm modal */
.confirm-modal {
  border-radius: 12px;
}
.confirm-body {
  display: flex;
  gap: 14px;
  padding: 22px 22px 18px;
}
.confirm-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent-weak);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.confirm-icon--danger {
  background: oklch(96% 0.03 25);
  color: oklch(55% 0.18 25);
}
.confirm-text { flex: 1; min-width: 0; }
.confirm-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-1);
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.confirm-message {
  font-size: 13px;
  color: var(--text-3);
  margin: 0;
  line-height: 1.5;
}
.confirm-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 18px 16px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-panel-2);
}
.confirm-footer .btn { padding: 7px 14px; }

/* Entry picker */
.entry-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-panel-2);
  padding: 4px;
  border-radius: 9px;
  margin-bottom: 18px;
}
.entry-tab {
  flex: 1;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-3);
  text-align: center;
  transition: all 120ms ease;
}
.entry-tab:hover { color: var(--text-1); }
.entry-tab.active {
  background: var(--bg-panel);
  color: var(--text-1);
  box-shadow: var(--shadow-sm);
}
.experimental-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 999px;
  background: oklch(94% 0.07 85);
  color: oklch(35% 0.14 65);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  vertical-align: 1px;
  border: 1px solid oklch(85% 0.1 85 / 0.8);
}
.describe-experimental-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 9px 12px;
  margin-bottom: 12px;
  border-radius: 8px;
  background: oklch(97% 0.04 85);
  border: 1px solid oklch(90% 0.08 85 / 0.6);
  color: oklch(35% 0.1 65);
  font-size: 12px;
  line-height: 1.45;
}
.describe-experimental-note svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: oklch(55% 0.18 65);
}
.describe-experimental-note strong {
  font-weight: 600;
  color: oklch(30% 0.15 65);
}

.template-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.template-card {
  border: 1px solid var(--border-default);
  border-radius: 10px;
  padding: 14px;
  background: var(--bg-panel);
  cursor: pointer;
  transition: all 150ms ease;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.template-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.template-thumb {
  height: 100px;
  background: var(--bg-canvas);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
}
.template-thumb svg { width: 85%; height: 75%; }
.template-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
}
.template-desc {
  font-size: 11.5px;
  color: var(--text-3);
  line-height: 1.4;
}

.describe-area {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.describe-input {
  width: 100%;
  min-height: 110px;
  border: 1px solid var(--border-default);
  border-radius: 10px;
  padding: 12px 14px;
  background: var(--bg-panel-2);
  font-size: 13px;
  line-height: 1.55;
  resize: vertical;
  transition: all 120ms ease;
}
.describe-input:focus {
  outline: none;
  background: var(--bg-panel);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-weak);
}
.describe-hints {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.describe-hint-chip {
  padding: 5px 10px;
  border-radius: 14px;
  background: var(--bg-panel-2);
  border: 1px solid var(--border-subtle);
  font-size: 11.5px;
  color: var(--text-2);
  cursor: pointer;
  transition: all 120ms ease;
}
.describe-hint-chip:hover {
  background: var(--accent-weak);
  border-color: var(--accent);
  color: var(--accent);
}
.describe-parsed {
  background: var(--bg-panel-2);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-2);
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 130px;
  overflow-y: auto;
}
.describe-parsed-label {
  color: var(--text-4);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.blank-cta {
  text-align: center;
  padding: 30px 20px;
  border: 1px dashed var(--border-default);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.blank-cta-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--bg-panel-2);
  border: 1px solid var(--border-subtle);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-3);
}
.blank-cta-text {
  font-size: 13px;
  color: var(--text-2);
  max-width: 340px;
  line-height: 1.5;
}

/* Export modal */
.export-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.export-card {
  border: 1px solid var(--border-default);
  border-radius: 10px;
  padding: 10px;
  background: var(--bg-panel);
  cursor: pointer;
  transition: all 120ms ease;
  position: relative;
}
.export-card:hover { border-color: var(--border-strong); }
.export-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-weak);
}
.export-card-thumb {
  height: 110px;
  background: var(--bg-canvas);
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  margin-bottom: 8px;
  overflow: hidden;
  position: relative;
}
.export-card-thumb svg { width: 100%; height: 100%; display: block; }
.export-card-name {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.export-card-check {
  position: absolute;
  top: 16px; right: 16px;
  width: 20px; height: 20px;
  border-radius: 5px;
  background: var(--bg-panel);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  box-shadow: var(--shadow-sm);
}
.export-card.selected .export-card-check {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.export-options {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 16px;
  margin-top: 16px;
  border-top: 1px solid var(--border-subtle);
}
.export-option-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.export-option-label {
  font-size: 13px;
  color: var(--text-1);
  font-weight: 500;
}
.export-option-sub {
  font-size: 11.5px;
  color: var(--text-3);
  margin-top: 2px;
}
.segment {
  display: flex;
  background: var(--bg-panel-2);
  border: 1px solid var(--border-subtle);
  border-radius: 7px;
  padding: 2px;
  gap: 2px;
}
.segment-item {
  padding: 5px 12px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-3);
  transition: all 120ms ease;
}
.segment-item:hover { color: var(--text-1); }
.segment-item.active {
  background: var(--bg-panel);
  color: var(--text-1);
  box-shadow: var(--shadow-sm);
}

/* Toggle switch */
.toggle {
  width: 34px;
  height: 20px;
  border-radius: 10px;
  background: var(--border-default);
  position: relative;
  transition: background 150ms ease;
  cursor: pointer;
  flex-shrink: 0;
}
.toggle::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: white;
  top: 3px; left: 3px;
  box-shadow: var(--shadow-sm);
  transition: left 150ms ease;
}
.toggle.on { background: var(--accent); }
.toggle.on::after { left: 17px; }

/* Toast */
.toast-stack {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px 12px;
  background: oklch(18% 0.015 260);
  color: white;
  border-radius: 9px;
  box-shadow: var(--shadow-pop);
  font-size: 13px;
  animation: toast-in 220ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: auto;
}
@keyframes toast-in {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.toast.leaving {
  animation: toast-out 200ms ease forwards;
}
@keyframes toast-out {
  to { transform: translateY(16px); opacity: 0; }
}
.toast-icon {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: oklch(70% 0.14 150);
  color: oklch(18% 0.015 260);
  display: flex; align-items: center; justify-content: center;
}
.toast-message { font-weight: 500; }
.toast-sub { color: oklch(75% 0.01 260); font-family: var(--font-mono); font-size: 11px; }

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  height: 100%;
  padding: 40px;
  text-align: center;
}
.empty-state-mark {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: var(--bg-panel);
  border: 1px dashed var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
}
.empty-state-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}
.empty-state-desc {
  font-size: 13px;
  color: var(--text-3);
  max-width: 300px;
  line-height: 1.5;
  margin: 0;
}
.empty-state-actions { display: flex; gap: 8px; margin-top: 4px; }

/* Tweaks panel */
.tweaks-panel {
  position: fixed;
  bottom: 18px;
  right: 18px;
  z-index: 40;
  background: var(--bg-panel);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  box-shadow: var(--shadow-pop);
  width: 260px;
  padding: 14px;
  font-size: 12.5px;
}
.tweaks-panel[hidden] { display: none; }
.tweaks-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.tweaks-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--text-3);
}
.tweaks-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 0;
  border-top: 1px solid var(--border-subtle);
}
.tweaks-row:first-of-type { border-top: 0; }
.tweaks-label { color: var(--text-2); font-size: 12px; }
.tweaks-select {
  background: var(--bg-panel-2);
  border: 1px solid var(--border-subtle);
  border-radius: 5px;
  padding: 3px 6px;
  font-size: 11.5px;
  color: var(--text-1);
  font-family: var(--font-ui);
}

/* Misc */
.divider-v {
  width: 1px;
  height: 22px;
  background: var(--border-subtle);
  margin: 0 4px;
}

/* ================================================================
   Presenter — full-screen slideshow
   ================================================================ */

.presenter {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: oklch(15% 0.008 260);
  color: oklch(96% 0.003 260);
  display: grid;
  grid-template-rows: 64px 1fr 80px;
  animation: presenterFadeIn 180ms ease-out;
  font-family: var(--font-sans);
}
@keyframes presenterFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.presenter-topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 24px;
  border-bottom: 1px solid oklch(28% 0.012 260);
}
.presenter-counter {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: baseline;
  gap: 3px;
  color: oklch(72% 0.008 260);
  background: oklch(22% 0.01 260);
  padding: 6px 12px;
  border-radius: 6px;
}
.presenter-counter-num {
  color: oklch(96% 0.003 260);
  font-size: 15px;
  font-weight: 600;
}
.presenter-counter-sep { opacity: 0.5; }
.presenter-title {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: oklch(94% 0.003 260);
}
.presenter-close {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: oklch(80% 0.008 260);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 120ms;
}
.presenter-close:hover {
  background: oklch(26% 0.012 260);
  color: oklch(98% 0.003 260);
}

.presenter-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 32px;
  background:
    radial-gradient(ellipse at center, oklch(19% 0.01 260) 0%, oklch(15% 0.008 260) 80%);
}
.presenter-frame {
  position: relative;
  transform-origin: center center;
  background: #ffffff;
  border-radius: 12px;
  box-shadow:
    0 0 0 1px oklch(30% 0.012 260),
    0 30px 80px -20px rgba(0, 0, 0, 0.6);
}
.presenter-chart {
  position: absolute;
  top: 0;
  left: 0;
}
.presenter-chart svg {
  display: block;
}

.presenter-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 0 24px;
  border-top: 1px solid oklch(28% 0.012 260);
}
.presenter-nav {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid oklch(32% 0.012 260);
  background: oklch(22% 0.01 260);
  color: oklch(92% 0.005 260);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 120ms;
}
.presenter-nav:hover:not(:disabled) {
  background: oklch(28% 0.012 260);
  border-color: oklch(40% 0.015 260);
  transform: translateY(-1px);
}
.presenter-nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.presenter-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}
.presenter-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: oklch(38% 0.012 260);
  cursor: pointer;
  padding: 0;
  transition: all 150ms;
}
.presenter-dot:hover { background: oklch(55% 0.015 260); }
.presenter-dot.active {
  width: 24px;
  border-radius: 4px;
  background: oklch(72% 0.14 45);
}