/* =====================================================
   R12-AI-Operator - Main Stylesheet
   ===================================================== */

/* === Theme: Dark (default) === */
:root, [data-theme="dark"] {
  --oracle-red: #C74634;
  --oracle-dark: #1a1a2e;
  --oracle-blue: #0a4d8c;
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: #1e1e30;
  --bg-input: #252535;
  --text-primary: #e8e8f0;
  --text-secondary: #9090a8;
  --text-muted: #6060a0;
  --border: #2a2a45;
  --accent: #C74634;
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  --radius: 8px;
  --radius-lg: 12px;
  --sidebar-w: 260px;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
}

/* === Theme: Light === */
[data-theme="light"] {
  --bg-primary: #f5f5f7;
  --bg-secondary: #ffffff;
  --bg-card: #f0f0f4;
  --bg-input: #e8e8ee;
  --text-primary: #1a1a2e;
  --text-secondary: #555570;
  --text-muted: #8888a0;
  --border: #d0d0dd;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
}

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

html, body { height: 100%; overflow: hidden; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
}

/* ============ LOGIN PAGE ============ */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at center, #1a1a2e 0%, #0a0a12 100%);
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo svg { margin-bottom: 12px; }
.login-logo h1 { font-size: 22px; font-weight: 700; color: var(--text-primary); }
.login-logo p { color: var(--text-secondary); font-size: 13px; margin-top: 4px; }

.login-footer {
  text-align: center;
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 11px;
}

/* ============ FORMS ============ */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

input[type="text"], input[type="password"], input[type="email"],
textarea, select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 14px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
}

select { cursor: pointer; }
select option { background: var(--bg-secondary); }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: none;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: #a3372a; }
.btn-secondary { background: var(--bg-input); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: var(--error); color: white; }
.btn-danger:hover { background: #dc2626; }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* ============ ALERTS ============ */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 12px;
}
.alert-success { background: rgba(34,197,94,0.15); border: 1px solid rgba(34,197,94,0.3); color: #86efac; }
.alert-error { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.alert-info { background: rgba(59,130,246,0.15); border: 1px solid rgba(59,130,246,0.3); color: #93c5fd; }
.alert-warning { background: rgba(245,158,11,0.15); border: 1px solid rgba(245,158,11,0.3); color: #fcd34d; }

/* ============ APP LAYOUT ============ */
.app-page {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ============ SIDEBAR ============ */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100vh;
  overflow: hidden;
  transition: transform 0.3s;
  z-index: 100;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
}

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 16px;
  display: none;
}

.sidebar-nav {
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 4px;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: all 0.15s;
}
.nav-btn:hover { background: var(--bg-input); color: var(--text-primary); }
.nav-btn.active { background: rgba(199,70,52,0.15); color: var(--accent); }

.sidebar-section {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

.section-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.select-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 12px;
  padding: 7px 10px;
  width: 100%;
}

.toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  font-size: 12px;
  color: var(--text-secondary);
}

.toggle { position: relative; display: inline-block; width: 36px; height: 20px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  transition: 0.2s;
}
.toggle-slider::before {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  left: 2px; top: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: 0.2s;
}
.toggle input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(16px); background: white; }

.sidebar-footer {
  margin-top: auto;
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-info { display: flex; align-items: center; gap: 10px; }
.user-avatar {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: white;
}
.user-name { font-size: 13px; font-weight: 600; }
.user-role { font-size: 11px; color: var(--text-muted); text-transform: uppercase; }

.logout-btn {
  color: var(--text-muted);
  display: flex; align-items: center;
  transition: color 0.2s;
}
.logout-btn:hover { color: var(--error); }

/* ============ MAIN CONTENT ============ */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.mobile-header {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

.menu-btn {
  background: none; border: none;
  color: var(--text-secondary); cursor: pointer;
}

/* ============ TABS ============ */
.tab-panel {
  display: none;
  flex: 1;
  overflow: hidden;
  flex-direction: column;
}
.tab-panel.active { display: flex; }

/* ============ OPERATION MODE SELECTOR ============ */
.mode-selector {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
  padding: 0 12px;
}

.mode-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border: none;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--text-secondary);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.mode-btn:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.03);
}

.mode-btn.active[data-mode="query"]  { color: #3b82f6; border-bottom-color: #3b82f6; }
.mode-btn.active[data-mode="create"] { color: #22c55e; border-bottom-color: #22c55e; }
.mode-btn.active[data-mode="update"] { color: #f59e0b; border-bottom-color: #f59e0b; }
.mode-btn.active[data-mode="delete"] { color: #ef4444; border-bottom-color: #ef4444; }

.mode-btn.active svg { stroke: currentColor; }

/* Mode badge on messages */
.msg-mode-badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 10px;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-left: 6px;
  vertical-align: middle;
}
.msg-mode-badge[data-mode="query"]  { background: rgba(59,130,246,0.15); color: #3b82f6; }
.msg-mode-badge[data-mode="create"] { background: rgba(34,197,94,0.15); color: #22c55e; }
.msg-mode-badge[data-mode="update"] { background: rgba(245,158,11,0.15); color: #f59e0b; }
.msg-mode-badge[data-mode="delete"] { background: rgba(239,68,68,0.15); color: #ef4444; }

@media (max-width: 768px) {
  .mode-btn .mode-label { display: none; }
  .mode-btn { padding: 10px 12px; }
}

/* ============ CHAT ============ */
.chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
}

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

.message {
  display: flex;
  gap: 12px;
  max-width: 85%;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.message.user { flex-direction: row-reverse; align-self: flex-end; }
.message.assistant { align-self: flex-start; }

.msg-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
  flex-shrink: 0;
}

.message.assistant .msg-avatar { background: rgba(199,70,52,0.2); color: var(--accent); border: 1px solid rgba(199,70,52,0.3); }
.message.user .msg-avatar { background: var(--bg-input); color: var(--text-secondary); border: 1px solid var(--border); }

.msg-body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }

.msg-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  font-size: 13.5px;
  line-height: 1.7;
  word-break: break-word;
  white-space: pre-wrap;
}

.message.user .msg-content {
  background: rgba(199,70,52,0.12);
  border-color: rgba(199,70,52,0.2);
}

.msg-content strong { color: var(--text-primary); font-weight: 600; }
.msg-content code {
  background: var(--bg-input);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: 'SF Mono', 'Courier New', monospace;
  font-size: 12px;
  color: #a78bfa;
}
.msg-content pre {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  overflow-x: auto;
  margin: 8px 0;
}
.msg-content pre code { background: none; padding: 0; }

.pipeline-summary {
  background: transparent;
  border: none;
  padding: 4px 0;
  margin-bottom: 8px;
  font-size: 12.5px;
  font-family: inherit;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: 0;
}

.csv-download-link {
  display: inline-block;
  margin-top: 8px;
  padding: 5px 12px;
  background: rgba(199,70,52,0.1);
  border: 1px solid rgba(199,70,52,0.3);
  border-radius: var(--radius);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}
.csv-download-link:hover {
  background: rgba(199,70,52,0.2);
  border-color: var(--accent);
}

.md-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin: 8px 0;
  overflow-x: auto;
  display: block;
}
.md-table th, .md-table td {
  border: 1px solid var(--border, #2a3a4a);
  padding: 4px 8px;
  text-align: left;
  white-space: nowrap;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.md-table th {
  background: transparent;
  color: var(--text-primary);
  font-weight: 700;
}
.md-table tr:nth-child(even) {
  background: rgba(255,255,255,0.03);
}
.md-table tr:hover {
  background: rgba(79,195,247,0.08);
}

.msg-time { font-size: 10px; color: var(--text-muted); padding: 0 4px; }

/* ============ CONFIRMATION PANEL ============ */
.confirmation-panel {
  margin: 0 20px 12px;
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.conf-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(245,158,11,0.12);
  font-size: 12px;
  font-weight: 700;
  color: #fcd34d;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.plan-content {
  padding: 14px 16px;
  font-size: 12.5px;
  font-family: 'SF Mono', 'Courier New', monospace;
  white-space: pre-wrap;
  max-height: 200px;
  overflow-y: auto;
  color: var(--text-secondary);
}

.conf-actions {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid rgba(245,158,11,0.2);
}

/* ============ INPUT AREA ============ */
.input-area {
  padding: 12px 20px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.input-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

#messageInput {
  flex: 1;
  resize: none;
  max-height: 120px;
  overflow-y: auto;
  line-height: 1.5;
  min-height: 40px;
}

.send-btn, .voice-btn {
  width: 40px; height: 40px;
  border-radius: var(--radius);
  border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.send-btn { background: var(--accent); color: white; }
.send-btn:hover { background: #a3372a; }
.send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.voice-btn { background: var(--bg-input); color: var(--text-secondary); border: 1px solid var(--border); }
.voice-btn:hover { background: var(--border); color: var(--text-primary); }
.voice-btn.recording { background: rgba(239,68,68,0.2); color: var(--error); border-color: var(--error); animation: pulse 1s infinite; }

@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.6; } }

.input-meta {
  display: flex;
  justify-content: space-between;
  padding: 4px 2px 0;
  font-size: 11px;
  color: var(--text-muted);
  min-height: 16px;
}

#typingIndicator { animation: pulse 1s infinite; color: var(--accent); }

/* ============ PANEL / TABLE ============ */
.panel-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 10px;
}

.panel-header h2 { font-size: 16px; font-weight: 700; }

.panel-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.search-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 12px;
  padding: 7px 10px;
  width: 180px;
}

.select-sm { width: auto; min-width: 100px; }

.toggle-label {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.data-table th {
  position: sticky; top: 0;
  background: var(--bg-secondary);
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  z-index: 10;
}

.data-table td {
  padding: 9px 14px;
  border-bottom: 1px solid rgba(42,42,69,0.5);
  color: var(--text-secondary);
  vertical-align: middle;
}

.data-table tbody tr:hover td { background: var(--bg-card); }

.loading-cell {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  font-size: 13px;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge-read { background: rgba(34,197,94,0.15); color: #86efac; }
.badge-write { background: rgba(245,158,11,0.15); color: #fcd34d; }
.badge-high { background: rgba(239,68,68,0.15); color: #fca5a5; }
.badge-enabled { background: rgba(34,197,94,0.15); color: #86efac; }
.badge-disabled { background: rgba(96,96,96,0.2); color: #9090a8; }
.badge-ok { background: rgba(34,197,94,0.15); color: #86efac; }
.badge-error { background: rgba(239,68,68,0.15); color: #fca5a5; }

.action-btns { display: flex; gap: 6px; }
.action-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}
.action-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ============ PAGINATION ============ */
.pagination {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.page-btn {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}
.page-btn:hover { border-color: var(--accent); color: var(--text-primary); }
.page-btn.active { background: var(--accent); border-color: var(--accent); color: white; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ============ SIDEBAR FOOTER BUTTONS ============ */
.sidebar-footer-btns { display: flex; gap: 4px; }
.icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  background: transparent; border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text-secondary);
  cursor: pointer; text-decoration: none; transition: all .2s;
}
.icon-btn:hover { background: var(--bg-card); color: var(--text-primary); border-color: var(--accent); }

/* ============ MODAL ============ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: min(760px, 95vw);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1.1rem; font-weight: 600; }
.modal-close {
  background: none; border: none; color: var(--text-secondary);
  font-size: 1.4rem; cursor: pointer; line-height: 1;
}
.modal-close:hover { color: var(--text-primary); }
.modal-tabs {
  display: flex; gap: 0;
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}
.modal-tab {
  background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--text-secondary); font-size: .85rem; cursor: pointer;
  padding: .7rem 1rem; transition: all .2s;
}
.modal-tab:hover { color: var(--text-primary); }
.modal-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.modal-tab-panel { display: none; padding: 1.5rem; }
.modal-tab-panel.active { display: block; }
.modal-footer {
  display: flex; justify-content: flex-end; gap: .5rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
}
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: .8rem; color: var(--text-secondary); margin-bottom: .3rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-hint { font-size: .82rem; color: var(--text-secondary); margin-bottom: 1rem; }
.form-actions-row { display: flex; align-items: center; gap: .8rem; margin-top: .5rem; }
.conn-test-result { font-size: .82rem; }
.conn-test-result.ok { color: var(--success); }
.conn-test-result.err { color: var(--error); }
.text-input {
  width: 100%; padding: .5rem .75rem;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text-primary); font-size: .85rem;
}
.text-input:focus { outline: none; border-color: var(--accent); }
.text-input small, small { font-size: .75rem; color: var(--text-muted); display: block; margin-top: .25rem; }
.custom-api-form { background: var(--bg-card); border-radius: var(--radius); padding: 1rem; }

/* ============ LANGUAGE SWITCHER & THEME ============ */
.lang-theme-row {
  display: flex; align-items: center; justify-content: space-between;
}
.lang-switcher { display: flex; gap: 4px; }
.lang-btn {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 24px;
  background: transparent; border: 2px solid transparent;
  border-radius: 4px; cursor: pointer; transition: all .2s;
  padding: 0; opacity: 0.5;
}
.lang-btn:hover { opacity: 0.8; border-color: var(--border); }
.lang-btn.active {
  opacity: 1; border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(199,70,52,0.3);
}
.theme-toggle-btn svg { transition: transform .3s; }
[data-theme="light"] .theme-toggle-btn svg { transform: rotate(180deg); }

/* ============ LLM PROVIDER SECTIONS ============ */
.llm-provider-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-top: .8rem;
}
.provider-header {
  display: flex; align-items: center; gap: .5rem;
  margin-bottom: 1rem;
}
.provider-header small { color: var(--text-muted); font-size: .75rem; }
.provider-badge {
  display: inline-block; padding: 3px 10px;
  border-radius: 20px; font-size: .75rem; font-weight: 700;
  letter-spacing: .3px;
}
.provider-badge-openai { background: rgba(16,163,127,0.15); color: #10a37f; }
.provider-badge-anthropic { background: rgba(210,130,60,0.15); color: #d2823c; }
.provider-badge-local { background: rgba(139,92,246,0.15); color: #8b5cf6; }

.setup-guide {
  margin-top: .8rem; padding: .8rem;
  background: var(--bg-input); border-radius: var(--radius);
  font-size: .8rem; color: var(--text-secondary); line-height: 1.7;
}
.setup-guide strong { color: var(--text-primary); display: block; margin-bottom: .3rem; }
.setup-guide ol { padding-left: 1.2rem; margin: 0; }
.setup-guide code {
  background: rgba(199,70,52,0.1); color: var(--accent);
  padding: 1px 4px; border-radius: 3px; font-size: .75rem;
}

/* ============ FILE ATTACHMENT ============ */
.attach-btn {
  width: 40px; height: 40px;
  border-radius: var(--radius);
  border: none;
  background: var(--bg-input);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background .2s, color .2s;
}
.attach-btn:hover { background: var(--accent); color: #fff; }

.file-attachment-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 12px; margin-bottom: 6px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius);
  font-size: .8rem;
}
.file-attachment-info {
  display: flex; align-items: center; gap: 6px;
  color: var(--info);
  overflow: hidden;
}
.file-attachment-info span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-size { color: var(--text-muted); font-size: .7rem; }
.file-remove-btn {
  font-size: 16px; color: var(--text-muted);
  width: 24px; height: 24px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.file-remove-btn:hover { color: var(--error); background: rgba(239,68,68,0.1); }

#fileUploadStatus {
  font-size: .75rem; color: var(--info);
}

/* ============ INVOICE PREVIEW PANEL ============ */
.invoice-preview-panel {
  margin: 0 20px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-height: 60vh;
  display: flex; flex-direction: column;
}
.invoice-preview-header {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: rgba(59,130,246,0.08);
  border-bottom: 1px solid var(--border);
  font-size: .82rem; font-weight: 600;
  color: var(--info);
}
.invoice-preview-header .icon-btn { margin-left: auto; }

.invoice-confidence {
  margin-left: auto; font-size: .7rem; font-weight: 500;
  padding: 2px 8px; border-radius: 10px;
}
.invoice-confidence.high { background: rgba(34,197,94,.15); color: var(--success); }
.invoice-confidence.medium { background: rgba(245,158,11,.15); color: var(--warning); }
.invoice-confidence.low { background: rgba(239,68,68,.15); color: var(--error); }

.invoice-preview-body {
  padding: 12px 14px;
  overflow-y: auto; flex: 1;
  font-size: .8rem; line-height: 1.7;
  max-height: 45vh;
}

.inv-section { margin-bottom: 12px; }
.inv-section-title {
  font-size: .72rem; text-transform: uppercase;
  letter-spacing: .5px; color: var(--text-muted);
  margin-bottom: 4px; font-weight: 700;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
}
.inv-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4px 16px;
}
.inv-field { display: flex; gap: 4px; }
.inv-label { color: var(--text-muted); font-size: .75rem; min-width: 100px; }
.inv-value { color: var(--text-primary); font-weight: 500; }
.inv-value.mono { font-family: 'SF Mono', monospace; font-size: .75rem; }

.inv-lines-table {
  width: 100%; border-collapse: collapse;
  font-size: .75rem; margin-top: 6px;
}
.inv-lines-table th {
  text-align: left; padding: 4px 6px;
  background: var(--bg-input); color: var(--text-muted);
  font-weight: 600; font-size: .7rem;
  text-transform: uppercase;
}
.inv-lines-table td {
  padding: 4px 6px; border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
.inv-lines-table td.num { text-align: right; font-family: monospace; }

.invoice-preview-actions {
  display: flex; gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.inv-warnings {
  margin-top: 6px; padding: 6px 10px;
  background: rgba(245,158,11,.08);
  border-radius: var(--radius);
  font-size: .75rem; color: var(--warning);
}

/* ============ ADMIN SUB-TABS ============ */
.admin-sub-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
  padding: 0 12px;
}

.admin-sub-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border: none;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.admin-sub-tab:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.03);
}

.admin-sub-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.admin-sub-panel {
  display: none;
  flex: 1;
  overflow: hidden;
  flex-direction: column;
  min-height: 0;
}

.admin-sub-panel.active {
  display: flex;
}

.admin-sub-panel .panel-container {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

.admin-sub-panel #registryGrouped,
.admin-sub-panel #interfacesGrouped {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.admin-sub-panel .table-wrapper {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

/* ============ DATA DICTIONARY ============ */
.dict-detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  height: 100vh;
  background: var(--bg-primary);
  border-left: 1px solid var(--border);
  box-shadow: -4px 0 16px rgba(0,0,0,0.2);
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.dict-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.dict-detail-header h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dict-graph-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--bg-primary);
  z-index: 200;
  display: flex;
  flex-direction: column;
}

.dict-graph-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.dict-graph-header h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
}

.dict-graph-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dict-graph-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  font-size: 12px;
  overflow-x: auto;
}

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

.breadcrumb-item {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  transition: background 0.15s;
  background: none;
  border: none;
}

.breadcrumb-item:hover {
  background: rgba(74, 144, 217, 0.15);
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--text-primary);
  cursor: default;
  font-weight: 700;
}

.breadcrumb-item.active:hover {
  background: none;
  text-decoration: none;
}

.dict-graph-container {
  flex: 1;
  min-height: 0;
  position: relative;
}

.dict-graph-info {
  padding: 8px 16px;
  font-size: 12px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

#admin-dictionary .panel-container {
  position: relative;
}

#dictionaryList .dict-owner-group {
  margin-bottom: 6px;
}

.dict-graph-sidebar {
  position: absolute;
  top: 0;
  right: 0;
  width: 380px;
  height: 100%;
  background: var(--bg-primary);
  border-left: 1px solid var(--border);
  box-shadow: -4px 0 16px rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
  z-index: 10;
}

.dict-graph-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.dict-graph-sidebar-header h4 {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.neighbor-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
}

.neighbor-row:hover {
  background: var(--bg-secondary);
}

.neighbor-weight {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ============ ROBOT MASCOT ANIMATION (Head-only, sidebar) ============ */
.mascot-section {
  display: flex;
  justify-content: center;
  padding: 0.5rem 0;
}
.mascot-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 160px;
  position: relative;
  overflow: visible;
}
.mascot-container svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

/* --- Transform origins --- */
#mascotHead     { transform-origin: 100px 66px; }
#mascotAntenna  { transform-origin: 148px 32px; }

/* --- Base transitions --- */
#mascotHead, #mascotAntenna {
  transition: transform 0.4s ease;
}

/* --- Eyelid transitions for smooth blinks --- */
#mascotLeftEyelid, #mascotRightEyelid {
  transition: opacity 0.12s ease;
}

/* =========================== */
/* IDLE-SLEEPING: Gentle tilt + Zzz float */
/* =========================== */
@keyframes mascotSleepHead {
  0%, 100% { transform: rotate(3deg); }
  50%      { transform: rotate(4deg) translateY(1px); }
}
@keyframes mascotZzzFloat {
  0%   { transform: translateY(0); opacity: 0.7; }
  50%  { transform: translateY(-10px); opacity: 0.4; }
  100% { transform: translateY(-20px); opacity: 0; }
}

.mascot-container.idle-sleeping #mascotHead { animation: mascotSleepHead 3s ease-in-out infinite; }
.mascot-container.idle-sleeping #mascotZzz  { animation: mascotZzzFloat 2.5s ease-in-out infinite; }

/* =========================== */
/* IDLE-RELAXING: Gentle sway */
/* =========================== */
@keyframes mascotRelaxHead {
  0%, 100% { transform: rotate(0deg); }
  33%      { transform: rotate(1.5deg); }
  66%      { transform: rotate(-1.5deg); }
}

.mascot-container.idle-relaxing #mascotHead { animation: mascotRelaxHead 5s ease-in-out infinite; }

/* =========================== */
/* THINKING: Slight tilt + bubbles */
/* =========================== */
@keyframes mascotThinkHead {
  0%, 100% { transform: rotate(-2deg); }
  50%      { transform: rotate(-4deg) translateY(1px); }
}
@keyframes mascotThinkBubbles {
  0%   { opacity: 0; transform: translateY(0); }
  20%  { opacity: 0.8; }
  80%  { opacity: 0.6; transform: translateY(-6px); }
  100% { opacity: 0; transform: translateY(-12px); }
}

.mascot-container.state-thinking #mascotHead         { animation: mascotThinkHead 2.5s ease-in-out infinite; }
.mascot-container.state-thinking #mascotThinkBubbles { animation: mascotThinkBubbles 3s ease-in-out infinite; }

/* =========================== */
/* ATTENTIVE: Alert head + antenna */
/* =========================== */
@keyframes mascotAttentiveHead {
  0%, 100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-2px) scale(1.02); }
}

.mascot-container.state-attentive #mascotHead { animation: mascotAttentiveHead 1.5s ease-in-out infinite; }

/* =========================== */
/* TYPING / VOICE: Antenna spins + signal waves */
/* =========================== */
@keyframes mascotAntennaSpin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@keyframes mascotSignalPulse {
  0%, 100% { opacity: 0; transform: scale(0.8); }
  50%      { opacity: 1; transform: scale(1.1); }
}

.mascot-container.state-typing #mascotAntenna       { animation: mascotAntennaSpin 1.2s linear infinite; }
.mascot-container.state-typing #mascotSignalWaves   { animation: mascotSignalPulse 0.8s ease-in-out infinite; }
.mascot-container.state-speaking #mascotAntenna     { animation: mascotAntennaSpin 1.8s linear infinite; }
.mascot-container.state-speaking #mascotSignalWaves { animation: mascotSignalPulse 1s ease-in-out infinite; }

/* ============ SCROLLBARS ============ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: 0; top: 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-toggle { display: block; }
  .mobile-header { display: flex; }
  .main-content { margin-left: 0; }
  .message { max-width: 95%; }
  .panel-header { flex-direction: column; align-items: flex-start; }
}