:root {
  --bg-primary: #1e1e1e;
  --bg-secondary: #252526;
  --bg-tertiary: #2d2d30;
  --text-primary: #cccccc;
  --text-bright: #ffffff;
  --accent-color: #0e639c;
  --accent-hover: #1177bb;
  --green: #4ec9b0;
  --green-btn: #388a34;
  --green-btn-hover: #43a047;
  --border-color: #3e3e42;
  --danger-color: #f48771;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.top-bar {
  height: 48px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  user-select: none;
}

.top-bar-left, .top-bar-center, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-title {
  font-weight: 700;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
}

.project-title {
  color: var(--text-bright);
  font-weight: 600;
  font-size: 14px;
  background: transparent;
  border: 1px solid transparent;
  padding: 4px 8px;
  border-radius: 4px;
}

.project-title:focus {
  border-color: var(--accent-color);
  outline: none;
  background: var(--bg-tertiary);
}

.save-status {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #888;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #4caf50;
  display: inline-block;
}

.status-dot.saving {
  background-color: #ff9800;
  animation: pulse 1s infinite alternate;
}

.status-dot.error {
  background-color: var(--danger-color);
}

@keyframes pulse {
  0% { opacity: 0.4; }
  100% { opacity: 1; }
}

.btn {
  background-color: var(--bg-tertiary);
  color: var(--text-bright);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  font-size: 13px;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn:hover {
  background-color: #38383c;
  border-color: #555;
}

.btn-primary {
  background-color: var(--green-btn);
  border-color: #2e6930;
  font-weight: 600;
}

.btn-primary:hover {
  background-color: var(--green-btn-hover);
}

.btn-google {
  background-color: #ffffff;
  color: #333333;
  border: 1px solid #ddd;
  font-weight: 600;
}

.btn-google:hover {
  background-color: #f1f1f1;
}

/* Layout Panes */
.main-container {
  display: flex;
  flex: 1;
  overflow: hidden;
  height: calc(100vh - 48px);
}

/* Sidebar */
.sidebar {
  width: 240px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.sidebar-section-title {
  padding: 10px 14px;
  font-size: 11px;
  text-transform: uppercase;
  color: #888;
  font-weight: 700;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.file-tree {
  list-style: none;
  padding: 6px 0;
  flex: 1;
  overflow-y: auto;
}

.file-tree li {
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}

.file-tree li:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-bright);
}

.file-tree li.active {
  background-color: #37373d;
  color: var(--text-bright);
  font-weight: 500;
}

.outline-container {
  max-height: 200px;
  overflow-y: auto;
  border-top: 1px solid var(--border-color);
  padding: 6px 0;
}

.outline-item {
  padding: 4px 14px;
  font-size: 12px;
  cursor: pointer;
  color: #aaa;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.outline-item:hover {
  color: #fff;
  background-color: var(--bg-tertiary);
}

.outline-item.sub {
  padding-left: 24px;
}

/* Editor Center Pane */
.editor-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  min-width: 300px;
}

#monaco-container {
  flex: 1;
  width: 100%;
  height: 100%;
}

/* PDF Preview Right Pane */
.preview-pane {
  flex: 1;
  background-color: #525659;
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  min-width: 300px;
}

.preview-header {
  height: 38px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
}

.tab-btn {
  background: transparent;
  border: none;
  color: #aaa;
  font-size: 12px;
  padding: 6px 12px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tab-btn.active {
  color: var(--text-bright);
  border-bottom-color: var(--accent-color);
}

.pdf-viewer-frame {
  flex: 1;
  width: 100%;
  height: 100%;
  border: none;
  background-color: #525659;
}

/* Logs Drawer */
.logs-container {
  display: none;
  flex: 1;
  background-color: #181818;
  color: #d4d4d4;
  padding: 14px;
  font-family: "Courier New", Courier, monospace;
  font-size: 12px;
  overflow-y: auto;
  white-space: pre-wrap;
}

.diagnostic-item {
  background: #2a1b1b;
  border-left: 4px solid var(--danger-color);
  padding: 8px 12px;
  margin-bottom: 8px;
  border-radius: 2px;
  cursor: pointer;
}

.diagnostic-item.warning {
  background: #2b2518;
  border-left-color: #ffb74d;
}

.diagnostic-item:hover {
  filter: brightness(1.1);
}

.diagnostic-title {
  font-weight: bold;
  color: #fff;
  margin-bottom: 2px;
}

/* Dashboard styles */
.dashboard-body {
  overflow: auto;
  background-color: #121212;
}

.dashboard-container {
  max-width: 1000px;
  margin: 40px auto;
  padding: 0 20px;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.project-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 160px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.project-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-color);
}

.project-card h3 {
  color: var(--text-bright);
  font-size: 16px;
  margin-bottom: 8px;
}

.shared-badge {
  background-color: #1a365d;
  color: #90cdf4;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 500;
  display: inline-block;
  margin-bottom: 8px;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #888;
}

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  width: 440px;
  padding: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--text-bright);
}

.form-control {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-bright);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 14px;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
}