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

:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-hover: #242836;
  --border: #2a2e3d;
  --text: #e4e4e7;
  --text-dim: #8b8d98;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #eab308;
  --orange: #f97316;
  --sidebar-w: 240px;
}

/* LIGHT THEME */
[data-theme="light"] {
  --bg: #f4f5f7;
  --bg-card: #ffffff;
  --bg-hover: #f0f1f3;
  --border: #e2e4e9;
  --text: #1a1d27;
  --text-dim: #6b7280;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --green: #16a34a;
  --red: #dc2626;
  --yellow: #ca8a04;
  --orange: #ea580c;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background 0.2s, color 0.2s;
}

/* LOGIN PAGE */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.login-box h1 {
  font-size: 24px;
  margin-bottom: 8px;
}

.login-box p {
  color: var(--text-dim);
  margin-bottom: 24px;
  font-size: 14px;
}

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

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

.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: white;
  width: 100%;
  justify-content: center;
}

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

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover { background: var(--border); }

.btn-danger {
  background: var(--red);
  color: white;
}

.btn-danger:hover { opacity: 0.9; }

.btn-sm { padding: 6px 12px; font-size: 13px; }

.error-msg {
  color: var(--red);
  font-size: 13px;
  margin-top: 12px;
  display: none;
}

/* LAYOUT */
.layout {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: background 0.2s;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo h2 {
  font-size: 18px;
  font-weight: 600;
}

.sidebar-logo span {
  font-size: 12px;
  color: var(--text-dim);
}

.sidebar-nav {
  flex: 1;
  padding: 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: 2px;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-item.active {
  background: var(--accent);
  color: white;
}

.nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
}

/* MAIN CONTENT */
.main {
  flex: 1;
  margin-left: var(--sidebar-w);
  padding: 24px 32px;
}

.page-header {
  margin-bottom: 24px;
}

.page-header h1 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 4px;
}

.page-header p {
  color: var(--text-dim);
  font-size: 14px;
}

/* STAT CARDS */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: background 0.2s;
}

.stat-card.clickable {
  cursor: pointer;
}

.stat-card.clickable:hover {
  background: var(--bg-hover);
}

.stat-card .label {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 28px;
  font-weight: 600;
}

.stat-card .sub {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* PROGRESS BAR */
.progress-bar {
  height: 6px;
  background: var(--bg);
  border-radius: 3px;
  margin-top: 12px;
  overflow: hidden;
}

.progress-bar .fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease;
}

.fill-blue { background: var(--accent); }
.fill-green { background: var(--green); }
.fill-yellow { background: var(--yellow); }
.fill-red { background: var(--red); }

/* CARDS / PANELS */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 24px;
  transition: background 0.2s;
}

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

.card-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.card-body {
  padding: 20px;
}

/* TABLE */
.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 10px 16px;
  font-size: 14px;
}

th {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

td {
  border-bottom: 1px solid var(--border);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: var(--bg-hover);
}

/* STATUS BADGES */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge-green { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-red { background: rgba(239,68,68,0.15); color: var(--red); }
.badge-yellow { background: rgba(234,179,8,0.15); color: var(--yellow); }
.badge-blue { background: rgba(59,130,246,0.15); color: var(--accent); }

/* FILE MANAGER */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
  cursor: pointer;
}

.breadcrumb a:hover { text-decoration: underline; }

.breadcrumb .sep { color: var(--text-dim); }

.file-entry {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
}

.file-entry:hover { background: var(--bg-hover); }
.file-entry:last-child { border-bottom: none; }

.file-icon { font-size: 18px; width: 24px; text-align: center; }
.file-name { flex: 1; font-size: 14px; }
.file-size { font-size: 13px; color: var(--text-dim); min-width: 80px; text-align: right; }
.file-date { font-size: 13px; color: var(--text-dim); min-width: 140px; text-align: right; }

/* EDITOR */
.editor-wrap {
  display: none;
}

.editor-wrap.active {
  display: block;
}

.editor-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  border-radius: 8px 8px 0 0;
}

.editor-toolbar .filename {
  font-size: 14px;
  font-weight: 500;
}

#file-editor {
  width: 100%;
  min-height: 400px;
  padding: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 8px 8px;
  color: var(--text);
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 13px;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  tab-size: 2;
}

/* MODAL */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 440px;
}

.modal.modal-wide {
  max-width: 640px;
}

.modal h3 {
  font-size: 18px;
  margin-bottom: 16px;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* SERVICES LIST */
.service-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.service-item:last-child { border-bottom: none; }

.service-name {
  font-size: 14px;
  font-weight: 500;
}

.service-desc {
  font-size: 13px;
  color: var(--text-dim);
}

/* SERVICES TOGGLE */
.services-toggle {
  display: block;
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--accent);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}

.services-toggle:hover {
  background: var(--bg-hover);
}

/* THEME TOGGLE */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: 2px;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
}

.theme-toggle:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* PROCESS BAR */
.process-bar {
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
  min-width: 60px;
}

.process-bar .fill {
  height: 100%;
  border-radius: 4px;
  background: var(--accent);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .sidebar {
    width: 60px;
  }
  .sidebar-logo span, .nav-item span, .sidebar-footer .btn span, .theme-toggle span {
    display: none;
  }
  .sidebar-logo h2 { font-size: 14px; }
  .nav-item { justify-content: center; padding: 10px; }
  .theme-toggle { justify-content: center; padding: 10px; }
  .main { margin-left: 60px; padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* EMPTY STATE */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-dim);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state p {
  font-size: 14px;
  margin-bottom: 16px;
}

/* LOADING SPINNER */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.loading-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  gap: 12px;
  color: var(--text-dim);
}