/* ============================================================
   NEURAL_ARCHITECT WAREHOUSE INTELLIGENCE SYSTEM
   styles.css — Core Design System v6.0
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Exo+2:wght@300;400;600;700;900&display=swap');

:root {
  --bg:            #080a0f;
  --surface:       #0d1017;
  --surface2:      #111520;
  --card:          #131825;
  --card2:         #161c2b;
  --border:        #1e2535;
  --border2:       #252d42;
  --accent:        #00f5c8;
  --accent2:       #0af0ff;
  --accent3:       #7c3aed;
  --neon-green:    #39ff14;
  --neon-blue:     #00d4ff;
  --neon-purple:   #bf00ff;
  --warn:          #f59e0b;
  --danger:        #ef4444;
  --success:       #10b981;
  --text:          #e2e8f0;
  --text-muted:    #64748b;
  --text-dim:      #3d4f6e;
  --mono:          'Space Mono', monospace;
  --ui:            'Exo 2', sans-serif;
  --radius:        8px;
  --radius-lg:     14px;
  --glow-accent:   0 0 20px rgba(0,245,200,0.25), 0 0 40px rgba(0,245,200,0.1);
  --glow-blue:     0 0 20px rgba(0,212,255,0.25);
  --glow-danger:   0 0 20px rgba(239,68,68,0.3);
}

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

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

/* ─── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ─── Layout ─────────────────────────────────────────────── */
.app-shell {
  display: grid;
  grid-template-rows: 52px 1fr;
  height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  padding: 0 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  gap: 6px;
  position: relative;
  z-index: 100;
}

.topbar-brand {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
  white-space: nowrap;
  margin-right: 16px;
}
.topbar-brand span { color: var(--accent); }

.nav-tab {
  font-family: var(--ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-tab:hover { color: var(--text); border-color: var(--border2); background: var(--card); }
.nav-tab.active { color: var(--accent); border-color: var(--accent); background: rgba(0,245,200,0.06); }

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

.status-badge {
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border2);
  color: var(--text-muted);
}
.status-badge.online { border-color: var(--accent); color: var(--accent); }
.status-badge.online::before {
  content: '●';
  margin-right: 5px;
  animation: blink 2s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

.main-content {
  display: flex;
  overflow: hidden;
  height: 100%;
}

/* ─── Pages ──────────────────────────────────────────────── */
.page {
  display: none;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.page.active { display: flex; }

/* ─── Panels ─────────────────────────────────────────────── */
.panel {
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overflow-x: hidden;
  flex-shrink: 0;
}
.panel-body { padding: 16px; }

.panel-section {
  margin-bottom: 20px;
}
.panel-section-title {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.panel-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border2);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
  width: 100%;
  margin-bottom: 6px;
}
.btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(0,245,200,0.04); }
.btn:active { transform: scale(0.98); }

.btn-accent {
  background: var(--accent);
  color: #050a0e;
  border-color: var(--accent);
  font-weight: 900;
}
.btn-accent:hover {
  background: #00e8be;
  border-color: #00e8be;
  box-shadow: var(--glow-accent);
  color: #050a0e;
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-muted);
}
.btn-ghost:hover { border-color: var(--border2); color: var(--text); background: var(--card); }

.btn-danger {
  background: rgba(239,68,68,0.1);
  border-color: var(--danger);
  color: var(--danger);
}
.btn-danger:hover { background: var(--danger); color: #fff; box-shadow: var(--glow-danger); }

.btn-warn {
  background: rgba(245,158,11,0.1);
  border-color: var(--warn);
  color: var(--warn);
}
.btn-warn:hover { background: var(--warn); color: #000; }

.btn-ai {
  background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(0,212,255,0.1));
  border-color: var(--accent3);
  color: #a78bfa;
}
.btn-ai:hover { box-shadow: 0 0 20px rgba(124,58,237,0.4); background: rgba(124,58,237,0.3); color: #c4b5fd; }

.btn-sm { padding: 5px 10px; font-size: 10px; margin-bottom: 0; width: auto; }
.btn-xs { padding: 3px 7px; font-size: 9px; margin-bottom: 0; width: auto; }
.btn-row { display: flex; gap: 5px; margin-bottom: 6px; }
.btn-row .btn { margin-bottom: 0; }

/* ─── Inputs ─────────────────────────────────────────────── */
.form-group { margin-bottom: 10px; }
.form-label {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 4px;
}

input[type="text"],
input[type="number"],
input[type="password"],
input[type="search"],
textarea,
select {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--ui);
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(0,245,200,0.08);
}
select { cursor: pointer; }
textarea { resize: vertical; min-height: 80px; font-size: 12px; }

.search-wrapper {
  position: relative;
  margin-bottom: 12px;
}
.search-wrapper input { padding-left: 34px; }
.search-wrapper .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 14px;
  pointer-events: none;
}

/* ─── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px;
  margin-bottom: 8px;
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--border2); }
.card.active { border-color: var(--accent); background: rgba(0,245,200,0.03); }
.card.highlight { border-color: var(--warn); box-shadow: 0 0 15px rgba(245,158,11,0.15); }

/* ─── Tags / Badges ──────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 3px;
  letter-spacing: 0.05em;
}
.tag-accent { background: rgba(0,245,200,0.1); color: var(--accent); border: 1px solid rgba(0,245,200,0.2); }
.tag-blue   { background: rgba(0,212,255,0.1); color: var(--neon-blue); border: 1px solid rgba(0,212,255,0.2); }
.tag-purple { background: rgba(124,58,237,0.15); color: #a78bfa; border: 1px solid rgba(124,58,237,0.3); }
.tag-warn   { background: rgba(245,158,11,0.1); color: var(--warn); border: 1px solid rgba(245,158,11,0.25); }
.tag-danger { background: rgba(239,68,68,0.1); color: var(--danger); border: 1px solid rgba(239,68,68,0.25); }
.tag-success { background: rgba(16,185,129,0.1); color: var(--success); border: 1px solid rgba(16,185,129,0.25); }

/* ─── Map / Canvas ───────────────────────────────────────── */
.map-viewport {
  flex: 1;
  background: var(--surface2);
  position: relative;
  overflow: hidden;
}
.map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.012) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.012) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.map-grid-major {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 120px 120px;
  pointer-events: none;
}

.rack-node {
  position: absolute;
  background: var(--card2);
  border: 1.5px solid var(--border2);
  border-radius: 6px;
  cursor: move;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4px 6px;
  transition: box-shadow 0.15s;
  z-index: 10;
  user-select: none;
}
.rack-node:hover { border-color: rgba(0,245,200,0.4); }
.rack-node.selected {
  border-color: var(--accent);
  background: rgba(0,245,200,0.06);
  box-shadow: 0 0 0 1px var(--accent), var(--glow-accent);
  z-index: 20;
}
.rack-node.search-hit {
  border-color: var(--warn) !important;
  box-shadow: 0 0 20px rgba(245,158,11,0.4) !important;
  animation: searchPulse 1.5s infinite;
}
.rack-node.search-miss { opacity: 0.1; }
@keyframes searchPulse {
  0%,100%{ transform: scale(1) rotate(var(--r,0deg)); }
  50%{ transform: scale(1.03) rotate(var(--r,0deg)); }
}

.rack-node-id {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}
.rack-node-name {
  font-size: 10px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}
.rack-node-count {
  font-family: var(--mono);
  font-size: 8px;
  color: var(--text-dim);
}

/* ─── Map Controls ───────────────────────────────────────── */
.map-controls {
  position: absolute;
  bottom: 14px;
  right: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 30;
}
.map-btn {
  width: 34px; height: 34px;
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all 0.15s;
}
.map-btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(0,245,200,0.06); }

.map-info-bar {
  position: absolute;
  bottom: 14px;
  left: 14px;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-dim);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
}

/* ─── Editor Panel ───────────────────────────────────────── */
.editor-panel {
  width: 360px;
  background: var(--surface);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
}
.editor-header {
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  position: sticky;
  top: 0;
  z-index: 10;
}
.editor-body { padding: 14px 16px; }

.shelf-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 10px;
  transition: border-color 0.2s;
}
.shelf-block.hidden-item {
  border-left-color: var(--warn);
  opacity: 0.5;
}

.product-row {
  display: flex;
  gap: 6px;
  align-items: center;
  background: var(--surface2);
  border: 1px dashed var(--border);
  border-radius: 5px;
  padding: 7px 8px;
  margin-top: 6px;
}
.product-row input { background: transparent; border: none; padding: 2px 4px; font-size: 12px; }
.product-row input:focus { border-bottom: 1px solid var(--accent); }
.product-row .qty-input { width: 80px; flex-shrink: 0; }
.product-row.hidden-item { opacity: 0.3; }
.product-actions { display: flex; gap: 3px; }

/* ─── Nomenclature Page ──────────────────────────────────── */
.nom-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.nom-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px;
}
.nom-main {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.nom-toolbar {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 8px;
  align-items: center;
  background: var(--surface);
  flex-wrap: wrap;
}
.nom-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}

.nom-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.nom-table th {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 5;
  cursor: pointer;
  white-space: nowrap;
}
.nom-table th:hover { color: var(--accent); }
.nom-table th.sort-asc::after { content: ' ↑'; color: var(--accent); }
.nom-table th.sort-desc::after { content: ' ↓'; color: var(--accent); }
.nom-table td {
  padding: 9px 12px;
  border-bottom: 1px solid rgba(30,37,53,0.5);
  vertical-align: middle;
}
.nom-table tr:hover td { background: rgba(255,255,255,0.015); }
.nom-table tr.selected td { background: rgba(0,245,200,0.04); }

.category-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}

.cat-tree-item {
  padding: 7px 10px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  transition: all 0.15s;
  margin-bottom: 2px;
}
.cat-tree-item:hover { background: var(--card); color: var(--text); }
.cat-tree-item.active { background: rgba(0,245,200,0.08); color: var(--accent); }
.cat-tree-item .cat-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.cat-tree-item .cat-count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-dim);
}

/* ─── AI Assistant ───────────────────────────────────────── */
.ai-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.chat-area {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.msg {
  max-width: 75%;
  animation: msgIn 0.25s ease;
}
@keyframes msgIn {
  from { opacity:0; transform: translateY(8px); }
  to   { opacity:1; transform: translateY(0); }
}
.msg-user { align-self: flex-end; }
.msg-ai   { align-self: flex-start; }

.msg-bubble {
  padding: 12px 16px;
  border-radius: 12px;
  line-height: 1.6;
  font-size: 13px;
}
.msg-user .msg-bubble {
  background: rgba(0,245,200,0.1);
  border: 1px solid rgba(0,245,200,0.2);
  border-radius: 12px 12px 2px 12px;
  color: var(--text);
}
.msg-ai .msg-bubble {
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: 12px 12px 12px 2px;
  color: var(--text);
}
.msg-ai .msg-bubble.thinking {
  color: var(--text-muted);
  font-style: italic;
}
.msg-meta {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-dim);
  margin-top: 4px;
  padding: 0 4px;
}
.msg-user .msg-meta { text-align: right; }

.chat-input-area {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  gap: 10px;
  align-items: flex-end;
}
.chat-input-area textarea {
  flex: 1;
  min-height: 44px;
  max-height: 140px;
  resize: none;
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.5;
}
.chat-input-area textarea:focus {
  border-color: var(--accent);
}
.chat-send-btn {
  width: 44px;
  height: 44px;
  background: var(--accent);
  border: none;
  border-radius: 10px;
  color: #050a0e;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s;
}
.chat-send-btn:hover { background: #00e8be; box-shadow: var(--glow-accent); }
.chat-send-btn:disabled { background: var(--border2); color: var(--text-dim); cursor: default; }

.ai-sidebar {
  background: var(--surface);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px;
}

/* ─── AI Suggestion Cards ────────────────────────────────── */
.suggestion-chip {
  display: inline-block;
  padding: 5px 10px;
  border: 1px solid var(--border2);
  border-radius: 20px;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  margin: 3px;
  transition: all 0.15s;
  background: var(--card);
}
.suggestion-chip:hover { border-color: var(--accent); color: var(--accent); background: rgba(0,245,200,0.05); }

/* ─── Modal ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 560px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  animation: modalIn 0.25s ease;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}
@keyframes modalIn {
  from { opacity:0; transform: scale(0.95) translateY(-10px); }
  to   { opacity:1; transform: scale(1) translateY(0); }
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.modal-title {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  line-height: 1;
}
.modal-close:hover { color: var(--text); background: var(--surface2); }

/* ─── Toast ──────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}
.toast {
  background: var(--card2);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 12px;
  font-family: var(--mono);
  animation: toastIn 0.2s ease;
  max-width: 400px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error   { border-color: var(--danger);  color: var(--danger); }
.toast.info    { border-color: var(--accent);  color: var(--accent); }
@keyframes toastIn {
  from { opacity:0; transform: translateY(10px); }
  to   { opacity:1; transform: translateY(0); }
}

/* ─── Stats Row ──────────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}
.stat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  text-align: center;
}
.stat-value {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

/* ─── Drag highlight ─────────────────────────────────────── */
.drag-over {
  border: 2px dashed var(--accent) !important;
  background: rgba(0,245,200,0.05) !important;
}

/* ─── Progress bar ───────────────────────────────────────── */
.progress-bar {
  height: 3px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin: 4px 0;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 3px;
  transition: width 0.3s ease;
}

/* ─── Excel / Import zone ────────────────────────────────── */
.drop-zone {
  border: 2px dashed var(--border2);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg);
}
.drop-zone:hover, .drop-zone.drag-active {
  border-color: var(--accent);
  background: rgba(0,245,200,0.04);
  color: var(--accent);
}
.drop-zone .drop-icon { font-size: 32px; margin-bottom: 10px; }
.drop-zone p { font-size: 13px; margin-bottom: 4px; }
.drop-zone small { font-size: 11px; color: var(--text-dim); }

/* ─── Utilities ──────────────────────────────────────────── */
.text-accent { color: var(--accent); }
.text-muted  { color: var(--text-muted); }
.text-dim    { color: var(--text-dim); }
.text-warn   { color: var(--warn); }
.text-danger { color: var(--danger); }
.mono        { font-family: var(--mono); }
.ellipsis    { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-4 { gap: 4px; }
.gap-6 { gap: 6px; }
.gap-8 { gap: 8px; }
.mb-4  { margin-bottom: 4px; }
.mb-8  { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.w-full { width: 100%; }

/* ─── Animated background ────────────────────────────────── */
.scan-line {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.2;
  animation: scanLine 8s linear infinite;
  pointer-events: none;
  z-index: 9998;
}
@keyframes scanLine {
  0%   { transform: translateY(0); opacity: 0; }
  5%   { opacity: 0.2; }
  95%  { opacity: 0.2; }
  100% { transform: translateY(100vh); opacity: 0; }
}

/* ─── Resizer ────────────────────────────────────────────── */
.resizer {
  width: 4px;
  background: var(--border);
  cursor: col-resize;
  transition: background 0.2s;
  flex-shrink: 0;
}
.resizer:hover { background: var(--accent); }