/* ── Reset & base ──────────────────────────────────────────────────────── */

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

:root {
  --bg: #0f1117;
  --bg2: #151820;
  --bg3: #1e2130;
  --bg4: #252a3d;
  --border: #2a2f45;
  --text: #e8ecf5;
  --text2: #7a8299;
  --text3: #4a5070;
  --accent: #4f9eff;
  --accent2: #6bcb77;
  --danger: #ff6b6b;
  --warn: #ffd93d;
  --purple: #c77dff;
  --orange: #ff9a3c;
  --sidebar-w: 220px;
  --drawer-w: 360px;
  --topbar-h: 46px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
}

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
}

button {
  font-family: var(--font);
  font-size: 12px;
  cursor: pointer;
  border: none;
  background: none;
  color: var(--text);
}

input {
  font-family: var(--font);
  font-size: 13px;
  color: var(--text);
}

/* ── Top bar ───────────────────────────────────────────────────────────── */

#topbar {
  height: var(--topbar-h);
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 12px;
  position: relative;
  z-index: 30;
  flex-shrink: 0;
}

#topbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.viv-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

#app-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  white-space: nowrap;
}

#topbar-center {
  flex: 1;
  max-width: 480px;
}

#search-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 10px;
  outline: none;
  transition: border-color .15s;
}

#search-input:focus {
  border-color: var(--accent);
}

#search-input::placeholder {
  color: var(--text3);
}

#topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

#upload-label {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg4);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 12px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  font-size: 12px;
}

#upload-label:hover {
  border-color: var(--accent);
  background: var(--bg3);
}

#upload-label svg {
  width: 14px;
  height: 14px;
  color: var(--text2);
}

#upload-input {
  display: none;
}

#layout-mode-select {
  background: linear-gradient(180deg, var(--bg4) 0%, var(--bg3) 100%);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 30px 6px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%23e8ecf5' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>"),
    linear-gradient(180deg, var(--bg4) 0%, var(--bg3) 100%);
  background-repeat: no-repeat, no-repeat;
  background-position: right 10px center, 0 0;
  background-size: 10px 6px, auto;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition: border-color .15s, box-shadow .15s, background-color .15s;
  letter-spacing: 0.01em;
}

#layout-mode-select:hover {
  border-color: var(--accent);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 0 0 1px rgba(79, 158, 255, 0.15);
}

#layout-mode-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 158, 255, 0.25);
}

#layout-mode-select:active {
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%23e8ecf5' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>"),
    linear-gradient(180deg, var(--bg3) 0%, var(--bg4) 100%);
}

#layout-mode-select option {
  background: var(--bg3);
  color: var(--text);
  padding: 6px;
}

/* ── Mobile-friendly topbar ────────────────────────────────────────────── */

@media (max-width: 640px) {
  #topbar {
    padding: 0 8px;
    gap: 6px;
  }

  #app-title {
    display: none;
  }

  #topbar-center {
    max-width: none;
  }

  #search-input {
    font-size: 12px;
    padding: 4px 8px;
  }

  #upload-label {
    padding: 5px 8px;
    font-size: 0;
  }

  #upload-label svg {
    width: 16px;
    height: 16px;
  }

  #layout-mode-select {
    font-size: 11px;
    padding: 4px 22px 4px 8px;
  }
}

/* ── Main layout ───────────────────────────────────────────────────────── */

#layout {
  display: flex;
  height: calc(100vh - var(--topbar-h));
  overflow: hidden;
}

/* ── Sidebar ───────────────────────────────────────────────────────────── */

#sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
  padding: 8px 0;
}

#sidebar::-webkit-scrollbar { width: 4px; }
#sidebar::-webkit-scrollbar-track { background: transparent; }
#sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.sidebar-section {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.sidebar-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text3);
  margin-bottom: 6px;
}

.sidebar-chip {
  display: inline-block;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  margin: 2px 2px;
  font-size: 11px;
  cursor: pointer;
  transition: all .15s;
  color: var(--text2);
}

.sidebar-chip:hover { border-color: var(--accent); color: var(--text); }
.sidebar-chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.sidebar-chip.tag-chip.active { background: var(--purple); border-color: var(--purple); }

.toggle-row {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: var(--text2);
  font-size: 11px;
  padding: 4px 0;
}

.toggle-row input[type="checkbox"] {
  accent-color: var(--accent);
}

.plan-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  margin-bottom: 4px;
}

.plan-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
}

.plan-meta {
  display: flex;
  gap: 6px;
  align-items: center;
}

.plan-status {
  font-size: 10px;
  border-radius: 3px;
  padding: 1px 5px;
}

.plan-status.active { background: #6bcb7722; color: var(--accent2); }
.plan-status.queued { background: #c77dff22; color: var(--purple); }

.plan-phase {
  font-size: 10px;
  color: var(--text3);
  font-family: var(--mono);
}

.queue-char { margin-bottom: 6px; }
.queue-char-name {
  font-size: 10px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 3px;
}

.queue-item {
  font-size: 10px;
  color: var(--text2);
  padding: 2px 0;
  display: flex;
  align-items: center;
  gap: 4px;
}

.queue-item.urgent { color: var(--danger); }
.queue-priority { color: var(--text3); margin-left: auto; font-family: var(--mono); }

/* ── Canvas area ───────────────────────────────────────────────────────── */

#canvas-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#main-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}

#main-canvas:active { cursor: grabbing; }

/* ── Zoom controls ─────────────────────────────────────────────────────── */

#zoom-controls {
  position: absolute;
  bottom: 48px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 10;
}

#zoom-controls button {
  width: 30px;
  height: 30px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 16px;
  color: var(--text2);
  transition: all .15s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
}

#zoom-controls button:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--bg4);
}

#zoom-fit, #zoom-reset { font-size: 11px; }

/* ── Minimap ───────────────────────────────────────────────────────────── */

#minimap-wrap {
  position: absolute;
  bottom: 44px;
  left: 12px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border);
  opacity: .7;
  transition: opacity .2s;
  pointer-events: none;
}

#minimap-wrap:hover { opacity: 1; }

#mini-canvas {
  display: block;
}

/* ── Stats bar ─────────────────────────────────────────────────────────── */

#stats-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 36px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 16px;
  font-size: 11px;
  color: var(--text3);
  font-family: var(--mono);
}

#stats-bar span::before { content: "· "; }
#stats-bar span:first-child::before { content: ""; }

/* ── Welcome overlay ───────────────────────────────────────────────────── */

#welcome-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  z-index: 20;
}

#upload-zone {
  text-align: center;
  max-width: 500px;
  padding: 40px 48px;
  border: 2px dashed var(--border);
  border-radius: 16px;
  transition: border-color .2s, background .2s;
}

#upload-zone.drag-over {
  border-color: var(--accent);
  background: #4f9eff0a;
}

.welcome-icon {
  margin: 0 auto 20px;
  width: 64px;
  height: 64px;
}

#welcome-overlay h1 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

#welcome-overlay p {
  color: var(--text2);
  margin-bottom: 24px;
  line-height: 1.5;
}

.welcome-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.welcome-or {
  color: var(--text3);
  font-size: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s;
  border: none;
}

.btn svg { width: 14px; height: 14px; }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: #6aaeff; }

.btn-secondary {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--accent); }

.welcome-url-row {
  display: flex;
  align-items: stretch;
  gap: 6px;
  margin: 0 auto 16px;
  max-width: 480px;
  width: 100%;
}

.welcome-url-row #url-input {
  flex: 1;
  min-width: 0;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 13px;
  color: var(--text);
  outline: none;
  transition: border-color .15s;
}

.welcome-url-row #url-input:focus {
  border-color: var(--accent);
}

.welcome-url-row #url-input::placeholder {
  color: var(--text3);
}

.welcome-url-row #load-url-btn {
  flex-shrink: 0;
  background: var(--bg4);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 14px;
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}

.welcome-url-row #load-url-btn:hover {
  border-color: var(--accent);
  background: var(--bg3);
}

.welcome-url-row #load-url-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.welcome-hint {
  font-size: 11px;
  color: var(--text3);
  margin-bottom: 20px;
}

.welcome-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  justify-content: center;
  margin-top: 16px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text2);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.legend-edge {
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--text3);
}

.legend-edge.dashed {
  background: none;
  border-top: 2px dashed #c77dff;
}

/* ── Action drawer ─────────────────────────────────────────────────────── */

#action-drawer {
  width: 0;
  background: var(--bg2);
  border-left: 1px solid var(--border);
  overflow: hidden;
  transition: width .25s cubic-bezier(.4,0,.2,1);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

#action-drawer.open {
  width: var(--drawer-w);
  overflow-y: auto;
}

#action-drawer::-webkit-scrollbar { width: 4px; }
#action-drawer::-webkit-scrollbar-track { background: transparent; }
#action-drawer::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.drawer-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 14px 16px 10px 16px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg2);
  z-index: 5;
  gap: 8px;
}

.drawer-title {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.action-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  font-family: var(--mono);
}

.action-ts {
  font-size: 11px;
  color: var(--text3);
  font-family: var(--mono);
}

.drawer-close {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 11px;
  color: var(--text2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .15s;
  padding: 0;
}

.drawer-close:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.drawer-body {
  padding: 0 16px 24px;
}

.drawer-section {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.drawer-section:last-child { border-bottom: none; }

.section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text3);
  margin-bottom: 5px;
}

.gloss-text {
  font-size: 13px;
  color: var(--text);
  line-height: 1.4;
  font-style: italic;
}

.report-text {
  font-size: 12px;
  color: var(--text2);
  line-height: 1.6;
}

.importance-bar-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 8px;
}

.importance-bar {
  height: 6px;
  border-radius: 3px;
  max-width: 100%;
  transition: width .3s;
}

.importance-val {
  font-size: 11px;
  color: var(--text2);
  font-family: var(--mono);
  min-width: 32px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.tag {
  display: inline-block;
  background: var(--bg4);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 7px;
  font-size: 10px;
  color: var(--text2);
  margin: 1px;
}

.person-chip {
  display: inline-block;
  background: var(--bg4);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 11px;
  margin: 1px;
  color: var(--accent);
}

.kv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.kv-table td {
  padding: 3px 0;
  vertical-align: top;
}

.role-key {
  color: var(--text3);
  font-family: var(--mono);
  width: 40%;
  padding-right: 8px;
  word-break: break-all;
}

.role-val {
  color: var(--text);
}

.uid {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text3);
}

.stats-row {
  display: flex;
  gap: 20px;
}

.stat-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--mono);
}

.stat-label {
  font-size: 10px;
  color: var(--text3);
}

.action-link {
  color: var(--accent);
  font-size: 11px;
  text-decoration: underline;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font-family: var(--mono);
}

.action-link:hover { color: #6aaeff; }

.queue-info {
  background: #c77dff0f;
  border-radius: 6px;
  padding: 8px;
}

.queue-list {
  list-style: none;
  padding: 4px 0 0 0;
  font-size: 11px;
  color: var(--text2);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.queue-list li { line-height: 1.4; }

/* ── Error toast ───────────────────────────────────────────────────────── */

.error-toast {
  position: fixed;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--danger);
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  z-index: 100;
  max-width: 480px;
  text-align: center;
  animation: slide-up .2s ease;
}

@keyframes slide-up {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 700px) {
  #sidebar { display: none; }
  :root { --drawer-w: 100vw; }
  #action-drawer.open { width: 100vw; }
  #minimap-wrap { display: none; }
}