/* ============================================================
   Setouchi Universal Works AI — Global Styles
   Navy Blue Theme | Professional & Trustworthy
   ============================================================ */

:root {
  --navy-900: #0a0f1e;
  --navy-800: #0d1530;
  --navy-700: #112048;
  --navy-600: #1a3560;
  --navy-500: #1e4080;
  --navy-400: #2a5ca8;
  --navy-300: #4a7fc8;
  --navy-200: #7aaae0;
  --navy-100: #b8d4f0;
  --navy-50:  #e8f2fb;

  --accent-cyan: #00c8e0;
  --accent-gold: #f0b840;
  --accent-green: #28c870;
  --accent-red: #e84040;
  --accent-orange: #f07020;

  --surface-1: #0e1628;
  --surface-2: #162038;
  --surface-3: #1e2e50;
  --surface-4: #243560;

  --text-primary: #e8f0ff;
  --text-secondary: #90a8d0;
  --text-muted: #4a6090;
  --text-accent: #60c0f0;

  --border-subtle: rgba(74, 127, 200, 0.2);
  --border-normal: rgba(74, 127, 200, 0.4);
  --border-bright: rgba(0, 200, 224, 0.6);

  --sidebar-w: 260px;
  --header-h: 60px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(0, 200, 224, 0.15);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
  height: 100%;
  font-family: 'Noto Sans JP', 'Inter', -apple-system, sans-serif;
  background: var(--navy-900);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
  overflow: hidden;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ── Scrollbar ─────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--surface-1); }
::-webkit-scrollbar-thumb { background: var(--navy-500); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--navy-300); }

/* ── Header ─────────────────────────────────────────── */
.app-header {
  height: var(--header-h);
  background: linear-gradient(135deg, var(--navy-800) 0%, var(--surface-2) 100%);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
  z-index: 100;
  flex-shrink: 0;
  box-shadow: 0 2px 16px rgba(0,0,0,0.5);
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--navy-400));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: var(--shadow-glow);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

.logo-sub {
  font-size: 10px;
  color: var(--accent-cyan);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 500;
}

.header-spacer { flex: 1; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── AI Launch Button ───────────────────────────────── */
.btn-ai-launch {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--navy-600), var(--navy-500));
  border: 1px solid var(--border-normal);
  border-radius: var(--radius-md);
  color: var(--accent-cyan);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.5px;
  font-family: inherit;
}

.btn-ai-launch:hover {
  background: linear-gradient(135deg, var(--navy-500), var(--navy-400));
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-ai-launch.loading {
  opacity: 0.7;
  cursor: wait;
}

.btn-ai-launch .ai-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* ── Main Layout ─────────────────────────────────────── */
.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface-1);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
  transition: width var(--transition);
}

.sidebar.collapsed {
  width: 56px;
}

.sidebar-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 50px;
}

.sidebar-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: var(--transition);
  flex-shrink: 0;
}

.sidebar-toggle:hover { color: var(--text-primary); background: var(--surface-3); }

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

.btn-upload {
  width: 100%;
  padding: 10px;
  background: linear-gradient(135deg, var(--navy-600), var(--navy-500));
  border: 1px dashed var(--border-normal);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
  white-space: nowrap;
  overflow: hidden;
}

.btn-upload:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: linear-gradient(135deg, var(--navy-500), var(--navy-400));
}

.sidebar-tables {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.table-group-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 8px 4px;
  margin-top: 8px;
}

.table-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 2px;
  position: relative;
  overflow: hidden;
}

.table-item:hover {
  background: var(--surface-3);
  color: var(--text-primary);
}

.table-item.active {
  background: linear-gradient(135deg, var(--navy-600), var(--navy-500));
  border: 1px solid var(--border-normal);
  color: var(--text-primary);
  box-shadow: var(--shadow-glow);
}

.table-item-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  background: var(--surface-3);
}

.table-item.active .table-item-icon {
  background: var(--navy-400);
  color: var(--accent-cyan);
}

.table-item-info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.table-item-name {
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-secondary);
}

.table-item.active .table-item-name { color: var(--text-primary); }

.table-item-count {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 1px;
}

.table-item-actions {
  display: none;
  gap: 4px;
}

.table-item:hover .table-item-actions { display: flex; }

.btn-icon-xs {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 3px 5px;
  border-radius: 4px;
  font-size: 11px;
  transition: var(--transition);
  font-family: inherit;
}

.btn-icon-xs:hover { color: var(--accent-red); background: rgba(232,64,64,0.1); }

/* Relation badge */
.relation-badge {
  font-size: 9px;
  padding: 1px 5px;
  background: rgba(0,200,224,0.15);
  border: 1px solid rgba(0,200,224,0.3);
  border-radius: 10px;
  color: var(--accent-cyan);
  white-space: nowrap;
}

/* ── Main Content ─────────────────────────────────────── */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--navy-900);
}

/* ── Toolbar ─────────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  flex-shrink: 0;
}

.toolbar-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-right: 8px;
  white-space: nowrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 180px;
  max-width: 340px;
}

.search-box input {
  width: 100%;
  padding: 7px 12px 7px 32px;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.search-box input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0,200,224,0.15);
}

.search-box input::placeholder { color: var(--text-muted); }

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 12px;
  pointer-events: none;
}

.toolbar-spacer { flex: 1; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: var(--navy-500);
  border-color: var(--navy-400);
  color: var(--text-primary);
}
.btn-primary:hover {
  background: var(--navy-400);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: var(--surface-3);
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}
.btn-secondary:hover {
  background: var(--surface-4);
  color: var(--text-primary);
  border-color: var(--border-normal);
}

.btn-success {
  background: rgba(40,200,112,0.15);
  border-color: rgba(40,200,112,0.4);
  color: var(--accent-green);
}
.btn-success:hover {
  background: rgba(40,200,112,0.25);
  border-color: var(--accent-green);
}

.btn-warning {
  background: rgba(240,184,64,0.15);
  border-color: rgba(240,184,64,0.4);
  color: var(--accent-gold);
}
.btn-warning:hover {
  background: rgba(240,184,64,0.25);
  border-color: var(--accent-gold);
}

.btn-danger {
  background: rgba(232,64,64,0.1);
  border-color: rgba(232,64,64,0.3);
  color: var(--accent-red);
}
.btn-danger:hover {
  background: rgba(232,64,64,0.2);
  border-color: var(--accent-red);
}

/* ── Table Area ──────────────────────────────────────── */
.table-area {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.table-scroll {
  flex: 1;
  overflow: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-normal);
  white-space: nowrap;
  z-index: 10;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

.data-table th:hover { color: var(--text-primary); background: var(--surface-3); }
.data-table th.sort-asc::after { content: ' ↑'; color: var(--accent-cyan); }
.data-table th.sort-desc::after { content: ' ↓'; color: var(--accent-cyan); }

.data-table td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.data-table tr:hover td { background: var(--surface-2); }

.data-table tr.joined td { background: rgba(0,200,224,0.03); }
.data-table tr.joined:hover td { background: rgba(0,200,224,0.08); }

.cell-linked {
  color: var(--accent-cyan);
  font-style: italic;
  font-size: 12px;
}

.cell-number { color: var(--accent-gold); font-variant-numeric: tabular-nums; }
.cell-empty { color: var(--text-muted); font-style: italic; }

/* Row actions */
.row-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: var(--transition);
}
.data-table tr:hover .row-actions { opacity: 1; }

.btn-row-edit, .btn-row-delete {
  padding: 3px 7px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  border: 1px solid transparent;
  font-family: inherit;
  transition: var(--transition);
}
.btn-row-edit {
  background: rgba(74,127,200,0.15);
  color: var(--navy-200);
  border-color: rgba(74,127,200,0.3);
}
.btn-row-edit:hover { background: rgba(74,127,200,0.3); }

.btn-row-delete {
  background: rgba(232,64,64,0.1);
  color: var(--accent-red);
  border-color: rgba(232,64,64,0.2);
}
.btn-row-delete:hover { background: rgba(232,64,64,0.2); }

/* ── Status Bar ──────────────────────────────────────── */
.status-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 6px 16px;
  background: var(--surface-1);
  border-top: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.status-item { display: flex; align-items: center; gap: 5px; }
.status-value { color: var(--text-secondary); font-weight: 500; }
.status-value.highlight { color: var(--accent-cyan); }

/* ── Empty State ─────────────────────────────────────── */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 40px;
  text-align: center;
}

.empty-icon {
  font-size: 56px;
  opacity: 0.3;
  margin-bottom: 8px;
}

.empty-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  opacity: 0.8;
}

.empty-desc {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 400px;
  line-height: 1.8;
}

.empty-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

/* ── Modal ───────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.modal {
  background: var(--surface-2);
  border: 1px solid var(--border-normal);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.7), var(--shadow-glow);
  animation: slideUp 0.2s ease;
}

.modal.wide { max-width: 800px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 18px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: var(--transition);
  font-family: inherit;
}
.modal-close:hover { color: var(--accent-red); background: rgba(232,64,64,0.1); }

/* ── Form Elements ───────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 9px 12px;
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0,200,224,0.15);
}

.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }

.form-select option { background: var(--surface-2); }

.form-textarea { resize: vertical; min-height: 80px; }

.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

.form-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

/* ── AI Panel ────────────────────────────────────────── */
.ai-panel {
  position: fixed;
  right: 0;
  bottom: 0;
  width: 380px;
  height: 520px;
  background: var(--surface-1);
  border: 1px solid var(--border-normal);
  border-radius: var(--radius-lg) 0 0 0;
  display: flex;
  flex-direction: column;
  z-index: 500;
  box-shadow: -4px -4px 30px rgba(0,0,0,0.5), var(--shadow-glow);
  transition: var(--transition);
  animation: slideUp 0.25s ease;
}

.ai-panel-header {
  padding: 14px 16px;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-600));
  border-bottom: 1px solid var(--border-normal);
  border-radius: var(--radius-lg) 0 0 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ai-panel-title {
  flex: 1;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: var(--transition);
}

.ai-status-dot.ready { background: var(--accent-green); box-shadow: 0 0 6px var(--accent-green); animation: pulse 2s infinite; }
.ai-status-dot.loading { background: var(--accent-gold); animation: pulse 0.8s infinite; }

.ai-panel-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 4px;
  border-radius: 4px;
  transition: var(--transition);
  font-family: inherit;
}
.ai-panel-close:hover { color: var(--accent-red); }

.ai-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ai-msg {
  max-width: 88%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 12px;
  line-height: 1.7;
  animation: slideUp 0.15s ease;
}

.ai-msg.user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--navy-500), var(--navy-400));
  border: 1px solid var(--border-normal);
  color: var(--text-primary);
}

.ai-msg.assistant {
  align-self: flex-start;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.ai-msg.system {
  align-self: center;
  background: rgba(0,200,224,0.08);
  border: 1px solid rgba(0,200,224,0.2);
  color: var(--text-accent);
  font-size: 11px;
  text-align: center;
  max-width: 95%;
}

.ai-typing {
  align-self: flex-start;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  gap: 4px;
  align-items: center;
}

.typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typing 1.4s infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 100% { opacity: 0.3; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-4px); }
}

.ai-input-area {
  padding: 12px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: 8px;
  flex-direction: column;
}

.ai-quick-btns {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.btn-quick {
  padding: 4px 10px;
  font-size: 11px;
  background: var(--surface-3);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.btn-quick:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }

.ai-input-row { display: flex; gap: 8px; }

.ai-input {
  flex: 1;
  padding: 8px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  outline: none;
  resize: none;
  height: 38px;
}

.ai-input:focus { border-color: var(--accent-cyan); }

.btn-ai-send {
  padding: 8px 14px;
  background: linear-gradient(135deg, var(--navy-500), var(--navy-400));
  border: 1px solid var(--border-normal);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
  font-family: inherit;
}
.btn-ai-send:hover { background: var(--navy-400); box-shadow: var(--shadow-glow); }
.btn-ai-send:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── AI Progress Bar ─────────────────────────────────── */
.ai-progress {
  padding: 10px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  display: none;
}

.ai-progress.visible { display: block; }
.ai-progress-bar-wrap { background: var(--surface-3); height: 4px; border-radius: 2px; margin-top: 8px; overflow: hidden; }
.ai-progress-bar { height: 100%; background: linear-gradient(90deg, var(--accent-cyan), var(--navy-300)); border-radius: 2px; transition: width 0.3s ease; }
.ai-progress-text { font-size: 11px; color: var(--text-secondary); }

/* ── Relation Indicator ──────────────────────────────── */
.relation-info {
  padding: 8px 16px;
  background: rgba(0,200,224,0.05);
  border-bottom: 1px solid rgba(0,200,224,0.15);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-accent);
  flex-shrink: 0;
}

.relation-info i { font-size: 11px; }

/* ── Column Settings ─────────────────────────────────── */
.col-settings-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 400px;
  overflow-y: auto;
  padding-right: 4px;
}

.col-setting-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.col-setting-item input[type="text"] {
  flex: 1;
  padding: 5px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  outline: none;
}

.col-setting-item input[type="text"]:focus { border-color: var(--accent-cyan); }

.col-type-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.col-type-badge.text { background: rgba(74,127,200,0.2); color: var(--navy-200); }
.col-type-badge.number { background: rgba(240,184,64,0.2); color: var(--accent-gold); }
.col-type-badge.date { background: rgba(40,200,112,0.2); color: var(--accent-green); }

/* ── Filter Panel ─────────────────────────────────────── */
.filter-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0,200,224,0.03);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  flex-shrink: 0;
}

.filter-row label { font-size: 11px; color: var(--text-muted); font-weight: 600; }

.filter-select {
  padding: 5px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  outline: none;
  cursor: pointer;
}

.filter-select:focus { border-color: var(--accent-cyan); }

.filter-input {
  padding: 5px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  outline: none;
  width: 160px;
}

.filter-input:focus { border-color: var(--accent-cyan); }

/* ── Toast ───────────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 70px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 2000;
}

.toast {
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-card);
  animation: slideUp 0.2s ease;
  cursor: pointer;
  max-width: 360px;
}

.toast.success { background: rgba(40,200,112,0.15); border: 1px solid rgba(40,200,112,0.4); color: var(--accent-green); }
.toast.error { background: rgba(232,64,64,0.15); border: 1px solid rgba(232,64,64,0.4); color: var(--accent-red); }
.toast.info { background: rgba(0,200,224,0.1); border: 1px solid rgba(0,200,224,0.3); color: var(--accent-cyan); }
.toast.warning { background: rgba(240,184,64,0.15); border: 1px solid rgba(240,184,64,0.4); color: var(--accent-gold); }

/* ── Drag & Drop Area ─────────────────────────────────── */
.drop-zone {
  border: 2px dashed var(--border-normal);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  margin-bottom: 16px;
}

.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--accent-cyan);
  background: rgba(0,200,224,0.05);
}

.drop-zone-icon { font-size: 32px; margin-bottom: 10px; opacity: 0.6; }
.drop-zone-text { font-size: 14px; color: var(--text-secondary); }
.drop-zone-hint { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* ── Stats Cards ─────────────────────────────────────── */
.stats-bar {
  display: flex;
  gap: 10px;
  padding: 10px 16px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
  flex-shrink: 0;
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  min-width: 120px;
  white-space: nowrap;
}

.stat-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-cyan);
  font-variant-numeric: tabular-nums;
}

.stat-sub { font-size: 11px; color: var(--text-muted); }

/* ── Loading Spinner ─────────────────────────────────── */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Tag / Chip ──────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tag-cyan { background: rgba(0,200,224,0.15); color: var(--accent-cyan); border: 1px solid rgba(0,200,224,0.3); }
.tag-gold { background: rgba(240,184,64,0.15); color: var(--accent-gold); border: 1px solid rgba(240,184,64,0.3); }
.tag-green { background: rgba(40,200,112,0.15); color: var(--accent-green); border: 1px solid rgba(40,200,112,0.3); }

/* ── Welcome cards ───────────────────────────────────── */
.welcome-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  width: 100%;
  max-width: 700px;
}

.welcome-card {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}

.welcome-card:hover {
  border-color: var(--accent-cyan);
  background: var(--surface-3);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.welcome-card-icon { font-size: 24px; margin-bottom: 10px; }
.welcome-card-title { font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.welcome-card-desc { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --sidebar-w: 100%; }
  .sidebar { position: absolute; z-index: 50; height: 100%; display: none; }
  .sidebar.mobile-open { display: flex; }
  .ai-panel { width: 100%; border-radius: 0; }
}

/* ── Pagination ──────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  background: var(--surface-1);
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.page-btn {
  padding: 5px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
  font-family: inherit;
  transition: var(--transition);
  min-width: 32px;
  text-align: center;
}

.page-btn:hover, .page-btn.active {
  background: var(--navy-500);
  border-color: var(--navy-400);
  color: var(--text-primary);
}

.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.page-info { font-size: 12px; color: var(--text-muted); margin: 0 8px; }

/* ── Add Row Form ─────────────────────────────────────── */
.add-row-table {
  width: 100%;
  border-collapse: collapse;
}

.add-row-table td { padding: 8px; }