/* ============================================
   Numex Codex Pro — Refactored CSS
   ============================================ */

/* --- 1. CSS Custom Properties --- */
:root {
  --bg: #fdfdfd;
  --fg: #333333;
  --accent: #f0f0f0;
  --primary: #007bff;
  --primary-dark: #0056b3;
  --secondary: #6c757d;
  --border-color: #e0e0e0;
  --error-color: #e74c3c;
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --font-size: 14px;
  --line-height: 1.6;
  --trans-speed: 0.15s;
  --sidebar-width: 260px;
  --card-bg: #ffffff;
  --input-bg: #ffffff;
  --bg-secondary: #f5f5f5;
  --bg-tertiary: #e8e8e8;
  --text-muted: #999;
  --shadow-light: 0 1px 4px rgba(0,0,0,0.08);
  --shadow-hover: 0 4px 12px rgba(0,0,0,0.12);
  --primary-rgb: 0, 123, 255;
  --glass-bg: rgba(255,255,255,0.1);
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 14px;
  --radius-full: 9999px;
}

body.dark {
  --bg: #1a1d23;
  --fg: #e2e8f0;
  --accent: #2d3748;
  --primary: #4fd1c7;
  --primary-dark: #38b2ac;
  --secondary: #a0aec0;
  --border-color: #3e4a5c;
  --card-bg: #252a34;
  --input-bg: #353d4e;
  --bg-secondary: #2a2d37;
  --bg-tertiary: #353945;
  --text-muted: #718096;
  --success-color: #48bb78;
  --shadow-light: 0 1px 4px rgba(0,0,0,0.25);
  --shadow-hover: 0 4px 12px rgba(0,0,0,0.35);
  --primary-rgb: 79, 209, 199;
  --glass-bg: rgba(0,0,0,0.2);
}

/* --- 2. Reset & Base --- */
* { box-sizing: border-box; }
html, body { margin: 0; height: 100vh; width: 100vw; overflow: hidden; }
html.numex-embedded,
html.numex-embedded body { height: 100% !important; min-height: 100% !important; width: 100% !important; }

body {
  display: grid;
  grid-template-rows: 48px 1fr 26px;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-areas: "sidebar toolbar" "sidebar layout" "sidebar statusbar";
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', sans-serif;
  font-size: var(--font-size);
  transition: grid-template-columns var(--trans-speed) ease-out;
}
body.sidebar-closed { grid-template-columns: 0px 1fr; }

/* --- 3. Scrollbar — Nötr --- */
::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover { background: var(--secondary); }

#msgs::-webkit-scrollbar { width: 5px; }
#msgs::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }

/* --- 4. Toolbar --- */
#toolbar {
  grid-area: toolbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-light);
  position: relative;
  z-index: 1000;
}

#toolbar button {
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--secondary);
  font-size: 20px;
  margin: 0 4px;
  padding: 6px;
  border-radius: var(--radius-md);
  transition: background-color var(--trans-speed), color var(--trans-speed);
  display: flex;
  align-items: center;
  justify-content: center;
}
#toolbar button:hover:not(:disabled) {
  color: var(--primary);
  background: var(--accent);
}
#toolbar .group { display: flex; align-items: center; }

/* --- 5. Sidebar --- */
#sidebar {
  grid-area: sidebar;
  background: var(--card-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--trans-speed) ease-out, width var(--trans-speed) ease-out;
  z-index: 100;
}
body.sidebar-closed #sidebar {
  transform: translateX(calc(-1 * var(--sidebar-width)));
  width: 0;
}
body:not(.sidebar-closed) #sidebar {
  transform: translateX(0);
}

#sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  font-size: 1.05em;
  font-weight: 700;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-color);
  min-height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.sidebar-logo {
  font-weight: 700;
  font-size: 1em;
  color: white;
}

#sidebar-content { padding: 0; overflow-y: auto; flex-grow: 1; }

#sidebar label {
  display: block;
  margin: 8px 0 4px;
  font-weight: 600;
  font-size: 0.85em;
  color: var(--primary);
}

#sidebar input,
#sidebar textarea,
#sidebar select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--input-bg);
  color: var(--fg);
  font-size: var(--font-size);
  transition: border-color var(--trans-speed);
}
#sidebar input:focus,
#sidebar textarea:focus,
#sidebar select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.1);
}

/* --- 6. Accordion --- */
.accordion-item { border-bottom: 1px solid var(--border-color); }

.accordion-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9em;
  user-select: none;
  transition: background-color var(--trans-speed), color var(--trans-speed);
}
.accordion-header:hover {
  background-color: var(--accent);
  color: var(--primary);
}
.accordion-header.expanded {
  background: rgba(var(--primary-rgb), 0.1);
  color: var(--primary);
  border-left: 3px solid var(--primary);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease-out;
  padding: 0 14px;
}
.accordion-content.open { max-height: 600px; padding: 12px 14px; }

/* --- 7. Action Buttons --- */
.action-btn {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  padding: 9px 14px;
  cursor: pointer;
  font-size: var(--font-size);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-top: 8px;
  font-weight: 600;
  transition: background-color var(--trans-speed);
}
.action-btn:hover:not(:disabled) {
  background: var(--primary-dark);
}
.action-btn:active { opacity: 0.9; }
.action-btn:disabled { background-color: var(--secondary); cursor: not-allowed; opacity: 0.6; }
.action-btn.secondary { background: var(--secondary); }
.action-btn.secondary:hover:not(:disabled) { background: #5a6268; }
.action-btn.debug { background: var(--error-color); }
.action-btn.debug:hover:not(:disabled) { background: #c0392b; }
.action-btn.small { padding: 7px 10px; font-size: 0.85em; margin-top: 5px; }
.action-btn.primary { background: var(--primary); }

/* --- 8. File Explorer --- */
#file-explorer-list { list-style: none; padding: 0; margin: 0; }
#file-explorer-list li {
  display: flex;
  align-items: center;
  padding: 7px 10px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  margin: 2px 0;
  position: relative;
  user-select: none;
  border-left: 3px solid transparent;
  transition: background-color var(--trans-speed), border-color var(--trans-speed), transform var(--trans-speed);
}
#file-explorer-list li:hover {
  background-color: var(--accent);
  transform: translateX(2px);
}
#file-explorer-list li.active {
  background: rgba(var(--primary-rgb), 0.12);
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 600;
  transform: translateX(2px);
}
#file-explorer-list li .file-icon { margin-right: 8px; }
.file-actions { display: none; margin-left: auto; gap: 4px; }
#file-explorer-list li:hover .file-actions { display: flex; }
.file-actions span { padding: 2px; border-radius: 3px; cursor: pointer; }
#file-explorer-list li.active .file-actions span:hover { background-color: rgba(var(--primary-rgb), 0.2); }

.template-section { margin-top: 0.8rem; padding-top: 0.8rem; border-top: 1px solid var(--border-color); }
.template-section label { display: block; margin-bottom: 6px; font-size: 0.85em; color: var(--secondary); }

.ai-badge { font-size: 0.8em; color: var(--text-muted); margin-top: 8px; text-align: center; }
.tip { font-size: 0.8em; color: var(--text-muted); margin-top: 8px; }
.setting-group { margin-bottom: 10px; }

/* --- 9. Layout — Editör Geniş --- */
#layout {
  grid-area: layout;
  display: grid;
  grid-template-columns: 2fr 5px 1.2fr 5px 1.2fr;
  height: 100%;
  overflow: hidden;
  gap: 0;
}

/* --- 10. Panels --- */
.panel {
  position: relative;
  overflow: hidden;
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border-color);
  min-width: 120px;
  z-index: 10;
}
#editor { border-left: none; }

.panel-header {
  display: flex;
  align-items: center;
  padding: 0 10px;
  height: 36px;
  background: var(--accent);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}
.panel-header .title {
  margin-right: auto;
  font-weight: 600;
  padding-left: 8px;
  font-size: 0.8em;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.panel-header .panel-actions { display: flex; gap: 2px; margin-left: auto; }
.panel-header .panel-actions button {
  border: none;
  background: none;
  cursor: pointer;
  color: var(--secondary);
  font-size: 17px;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: color var(--trans-speed), background-color var(--trans-speed);
  display: flex;
  align-items: center;
  justify-content: center;
}
.panel-header .panel-actions button:hover {
  color: var(--primary);
  background: var(--card-bg);
}
#btn-refresh-preview:hover { color: var(--primary); background: var(--card-bg); }

.preview-viewport-actions { display: flex; align-items: center; gap: 3px; }
.viewport-btn {
  padding: 4px 8px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color var(--trans-speed), color var(--trans-speed);
}
.viewport-btn:hover,
.viewport-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

#btn-context-include { transition: background-color 0.15s, color 0.15s; }
#btn-context-include.active { background: var(--primary); color: white !important; }

/* --- 11. Editor --- */
#editor-container {
  width: 100%;
  height: 100%;
  min-height: 200px;
  flex-grow: 1;
  position: relative;
  display: flex;
  flex-direction: column;
}

#tab-bar {
  display: flex;
  background: var(--accent);
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
}

.tab {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  border-right: 1px solid var(--border-color);
  cursor: pointer;
  font-size: 0.85em;
  background-color: transparent;
  white-space: nowrap;
  color: var(--secondary);
  transition: background-color var(--trans-speed), color var(--trans-speed);
  border-top: 2px solid transparent;
}
.tab:hover {
  background-color: var(--card-bg);
  color: var(--fg);
}
.tab.active {
  background: var(--card-bg);
  color: var(--primary);
  font-weight: 600;
  border-top-color: var(--primary);
}

#editor-content { width: 100%; flex: 1; min-height: 150px; }

/* --- 12. Preview --- */
#preview-container {
  flex-grow: 1;
  min-height: 250px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  transition: max-width 0.3s ease;
}

#preview iframe {
  border: none;
  background-color: white;
  width: 100%;
  flex: 1;
  min-height: 300px;
  border-radius: 0;
}

/* --- 13. Gutter --- */
#gutter1, #gutter2 {
  background: var(--border-color);
  cursor: col-resize;
  user-select: none;
  position: relative;
  transition: background-color var(--trans-speed);
  z-index: 50;
}
#gutter1:hover, #gutter2:hover {
  background: var(--primary);
  opacity: 0.5;
}
#gutter1::before, #gutter2::before {
  content: '⋮';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--secondary);
  font-size: 10px;
  line-height: 1;
}

/* --- 14. Chat Panel --- */
#chat {
  border-left: 1px solid var(--border-color);
  padding: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}
#chat-container {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#msgs {
  flex-grow: 1;
  padding: 12px 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.msg { display: flex; max-width: 92%; flex-direction: column; }
.msg.user { align-self: flex-end; align-items: flex-end; }
.msg.assist { align-self: flex-start; align-items: flex-start; max-width: 96%; }

.msg .bubble {
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  line-height: 1.6;
  word-wrap: break-word;
  position: relative;
  max-width: 100%;
  font-size: 0.92em;
}
.msg.user .bubble {
  background: var(--primary);
  color: white;
  border-bottom-right-radius: var(--radius-sm);
}
.msg.assist .bubble {
  background: var(--card-bg);
  color: var(--fg);
  border-bottom-left-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.msg-actions { display: flex; align-items: center; gap: 6px; margin-top: 6px; }
.msg-actions button {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--secondary);
  transition: color var(--trans-speed), border-color var(--trans-speed);
}
.msg-actions button:hover,
.msg-actions button.active {
  color: var(--primary);
  border-color: var(--primary);
  background-color: var(--accent);
}
.msg-actions button .material-icons { font-size: 14px; }

/* Chat code blocks */
.msg .bubble pre {
  background: var(--accent);
  border: 1px solid var(--border-color);
  padding: 14px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  position: relative;
  margin: 10px 0 6px 0;
}
body.dark .msg .bubble pre { background: var(--bg); }

.code-actions {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 4px;
  background: rgba(0,0,0,0.65);
  border-radius: var(--radius-sm);
  padding: 3px;
}
.code-actions button {
  background: transparent;
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: background-color var(--trans-speed);
}
.code-actions button:hover { background: rgba(255,255,255,0.2); }
.code-actions .material-icons { font-size: 14px; }

/* --- 15. Prompt Suggestions --- */
#prompt-suggestions {
  padding: 8px 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg);
  flex-shrink: 0;
  max-height: 90px;
  overflow-y: auto;
}
.suggestion {
  padding: 4px 10px;
  font-size: 0.78em;
  background-color: var(--card-bg);
  color: var(--secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--trans-speed), color var(--trans-speed), border-color var(--trans-speed);
}
.suggestion:hover {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* --- 16. Chat Input --- */
#inp {
  display: flex;
  padding: 8px 10px;
  background: var(--card-bg);
  gap: 6px;
  align-items: flex-end;
  flex-shrink: 0;
  border-top: 1px solid var(--border-color);
}

.chat-input-buttons { display: flex; gap: 1px; align-items: center; padding-bottom: 3px; }
.chat-input-buttons button {
  background: none;
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--secondary);
  flex-shrink: 0;
  transition: background-color var(--trans-speed);
}
.chat-input-buttons button .material-icons { font-size: 18px; }
.chat-input-buttons button:hover { background-color: var(--accent); }

#msg {
  flex-grow: 1;
  resize: none;
  min-height: 36px;
  max-height: 140px;
  padding: 8px 14px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background-color: var(--input-bg);
  color: var(--fg);
  font-family: 'Inter', sans-serif;
  font-size: 0.9em;
  transition: border-color var(--trans-speed);
}
#msg:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.08);
}

#send, #btn-deep-query {
  width: 36px;
  height: 36px;
  font-size: 17px;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color var(--trans-speed), transform var(--trans-speed);
}
#send {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}
#send:hover:not(:disabled) {
  transform: scale(1.05);
}
#btn-deep-query {
  background-color: var(--secondary);
  color: white;
  margin-left: 2px;
}
#btn-deep-query:hover:not(:disabled) { background-color: #5a6268; }
#btn-deep-query.active {
  background-color: var(--primary);
  box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.4);
}
#send:disabled, #btn-deep-query:disabled {
  background-color: var(--secondary);
  cursor: not-allowed;
  opacity: 0.5;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- 17. Status Bar --- */
#statusbar {
  grid-area: statusbar;
  background: var(--card-bg);
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  font-size: 0.8em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
}

.status-right {
  display: flex;
  gap: 12px;
  font-size: 0.85em;
  color: var(--text-muted);
}

/* --- 18. Toast Notifications --- */
#toastContainer {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.toast {
  padding: 10px 18px;
  border-radius: var(--radius-md);
  color: white;
  font-size: 0.85em;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  max-width: 320px;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: var(--success-color); }
.toast.error { background: var(--error-color); }
.toast.info { background: var(--primary); }
.toast.warning { background: var(--warning-color); color: #000; }

/* --- 19. Model Selector --- */
.model-selector { position: relative; }

#model-selector-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--fg);
  transition: background-color var(--trans-speed);
  border: 1px solid var(--border-color);
}
#model-selector-btn:hover {
  background: var(--accent);
}

#model-selector-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  min-width: 260px;
  z-index: 1000;
  list-style: none;
  padding: 6px;
  margin: 0;
}
#model-selector-dropdown.open { display: block; }

#model-selector-dropdown li {
  padding: 10px 12px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background-color var(--trans-speed);
  margin-bottom: 2px;
}
#model-selector-dropdown li:hover {
  background: var(--accent);
}
#model-selector-dropdown li strong { color: var(--primary); font-weight: 600; }
#model-selector-dropdown li span {
  font-size: 0.8em;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

/* --- 20. Console Panel --- */
#console-panel {
  display: none;
  background: #1a1a2e;
  color: #d4d4d4;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75em;
  flex-grow: 0;
  flex-shrink: 0;
  border-top: 1px solid var(--border-color);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 6px 8px;
  max-height: 120px;
  min-height: 0;
  white-space: pre-wrap;
  word-break: break-word;
}
#console-panel.open { display: block; }
.console-log { color: #d4d4d4; }
.console-error { color: var(--error-color); font-weight: bold; }
.console-warn { color: #f39c12; }

/* --- 21. Fullscreen Mode --- */
body.fullscreen-mode {
  grid-template-columns: 0px 1fr !important;
  grid-template-areas: "sidebar toolbar" "sidebar layout" "sidebar statusbar";
}
body.fullscreen-mode #layout { display: block; }
body.fullscreen-mode .panel {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100% !important;
  height: 100% !important;
  border: none !important;
  z-index: 9999;
}
body.fullscreen-mode #layout > div:not(.panel) { display: none !important; }

/* --- 22. Confirm Modal --- */
#customConfirmModal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.45);
  z-index: 10002;
  justify-content: center;
  align-items: center;
}
#customConfirmModal > div {
  background-color: var(--card-bg);
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  max-width: 380px;
  text-align: center;
}
#customConfirmModal p { margin-bottom: 18px; }
#customConfirmModal div:last-child { display: flex; justify-content: center; gap: 10px; }
#customConfirmOk, #customConfirmCancel { padding: 8px 20px; width: auto; }
#customConfirmCancel { background-color: var(--secondary); }

/* --- 23. Platform Buttons --- */
.platform-btn {
  width: 100%;
  padding: 9px 12px;
  margin: 4px 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--fg);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--trans-speed);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9em;
}
.platform-btn:hover {
  background: var(--accent);
}
.platform-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.platform-btn.main-platform {
  background: var(--success-color);
  border-color: var(--success-color);
  color: white;
  font-weight: 600;
}
.platform-btn.main-platform:hover {
  background: #219150;
  border-color: #219150;
}

/* --- 24. Back to Main Button --- */
#btn-back-to-main {
  background: var(--success-color);
  border: none;
  color: white;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background-color var(--trans-speed);
  display: flex;
  align-items: center;
  gap: 4px;
}
#btn-back-to-main:hover {
  background: #219150;
}

/* Toolbar back button — no !important needed */
#toolbar .back-to-main-btn {
  background: var(--success-color);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85em;
  font-weight: 500;
  transition: background-color var(--trans-speed);
  margin-right: 10px;
}
#toolbar .back-to-main-btn:hover {
  background: #219150;
}
.btn-text { font-size: 0.82em; }

/* --- 25. Toolbar Info --- */
.toolbar-info {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82em;
}
.website-badge { color: var(--text-muted); }

/* --- 26. Responsive --- */
@media (max-width: 768px) {
  body { grid-template-columns: 0px 1fr; }
  #sidebar { position: fixed; z-index: 1000; height: 100%; }
  body.sidebar-open #sidebar { transform: translateX(0); }
  #layout { grid-template-columns: 1fr; }
  .panel { min-width: 80px; }
  .back-to-main-btn .btn-text { display: none; }
  #toolbar .back-to-main-btn { padding: 6px 8px; }
}

/* --- 27. Numex Sidebar/Input Refresh --- */
#sidebar {
  background: linear-gradient(180deg, #0a0a0f 0%, #0d0d14 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.numex-sidebar-shell {
  height: 100%;
  display: flex;
  flex-direction: column;
}

#sidebar-header.numex-sidebar-top {
  min-height: auto;
  background: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
}

.numex-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.numex-brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
}
.numex-brand-logo svg {
  width: 34px;
  height: 34px;
  display: block;
}

.numex-brand-text {
  display: flex;
  align-items: center;
  gap: 6px;
}

.numex-brand-name {
  color: #f0f0f0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.numex-brand-badge {
  color: #3b82f6;
  font-size: 11px;
  font-weight: 600;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 2px 6px;
  border-radius: 6px;
}

.numex-sidebar-top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.numex-new-chat-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid rgba(59, 130, 246, 0.24);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.16), rgba(59, 130, 246, 0.08));
  color: #dbeafe;
  font-size: 12px;
  font-weight: 600;
  padding: 9px 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.numex-new-chat-btn:hover {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.26), rgba(59, 130, 246, 0.14));
  border-color: rgba(59, 130, 246, 0.4);
}

#btn-back-to-main {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  color: #9ca3af;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#btn-back-to-main:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #e5e7eb;
}

.numex-sidebar-search {
  margin: 10px 14px 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
}

.numex-sidebar-search .material-icons {
  font-size: 18px;
  color: #6b7280;
}

.numex-sidebar-search input {
  border: none !important;
  background: transparent !important;
  color: #d1d5db !important;
  padding: 0 !important;
  font-size: 13px !important;
}

.numex-sidebar-search input::placeholder {
  color: #6b7280;
}

#sidebar-content {
  padding: 6px 0;
}

.accordion-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.accordion-header {
  color: #9ca3af;
}

.accordion-header:hover {
  color: #e5e7eb;
  background: rgba(255, 255, 255, 0.04);
}

.accordion-header.expanded {
  color: #93c5fd;
  background: rgba(59, 130, 246, 0.12);
  border-left-color: #3b82f6;
}

#inp {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #0b0b10;
  padding: 12px;
}

.numex-input-shell {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 18px;
  padding: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.numex-tool-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 2px 4px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.numex-tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 5px 10px;
  background: rgba(255, 255, 255, 0.04);
  color: #9ca3af;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.numex-tool-chip .material-icons {
  font-size: 14px;
}

.numex-tool-chip:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #d1d5db;
}

.numex-tool-chip.active {
  background: rgba(59, 130, 246, 0.18);
  border-color: rgba(59, 130, 246, 0.35);
  color: #93bbfc !important;
}

.numex-input-main {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  padding: 8px 2px 2px;
}

#inp .chat-input-buttons {
  display: flex;
  gap: 3px;
  align-items: center;
  padding-bottom: 1px;
}

#inp .chat-input-buttons button {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  color: #6b7280;
}

#inp .chat-input-buttons button:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #d1d5db;
}

#msg {
  min-height: 26px;
  max-height: 180px;
  border-radius: 12px;
  border: none;
  background: transparent;
  box-shadow: none;
  padding: 8px 10px;
  color: #e5e7eb;
}

#msg:focus {
  border: none;
  box-shadow: none;
}

#send {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
}

#send:disabled {
  background: rgba(255, 255, 255, 0.08);
}