/* ===================================
   MG DIGITAL — SEO SYSTEM DASHBOARD
   Dark Theme Professional
   =================================== */

:root {
  --bg-primary:   #0d1117;
  --bg-secondary: #161b22;
  --bg-card:      #1c2128;
  --bg-hover:     #21262d;
  --border:       #30363d;
  --border-light: #3d444d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted:   #656d76;
  --accent:       #2ea043;
  --accent-hover: #3fb950;
  --accent-blue:  #1f6feb;
  --accent-orange: #e3b341;
  --accent-red:   #f85149;
  --accent-purple: #8957e5;
  --accent-teal:  #39d353;
  --radius:       8px;
  --radius-sm:    4px;
  --shadow:       0 1px 3px rgba(0,0,0,0.4);
  --shadow-lg:    0 4px 16px rgba(0,0,0,0.5);
  --transition:   0.15s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ---- SIDEBAR ---- */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: 240px;
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
}

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

.sidebar-logo .brand {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.sidebar-logo .brand span {
  color: var(--accent);
}

.sidebar-logo .sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.sidebar-nav {
  padding: 8px 0;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 0;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  font-size: 13.5px;
  user-select: none;
}

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

.nav-item.active {
  background: rgba(46, 160, 67, 0.12);
  color: var(--accent-teal);
  border-left-color: var(--accent);
}

.nav-item .icon { font-size: 15px; width: 18px; text-align: center; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
}

.status-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 5px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---- MAIN CONTENT ---- */
.main {
  margin-left: 240px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

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

.content {
  padding: 24px;
  flex: 1;
}

/* ---- TABS ---- */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---- CARDS STATS ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition);
}

.stat-card:hover { border-color: var(--border-light); }

.stat-card .stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-card .stat-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-card.green  .stat-value { color: var(--accent-teal); }
.stat-card.blue   .stat-value { color: #58a6ff; }
.stat-card.orange .stat-value { color: var(--accent-orange); }
.stat-card.purple .stat-value { color: var(--accent-purple); }

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: currentColor;
  opacity: 0.3;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

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

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

.btn-secondary:hover { border-color: var(--border-light); background: var(--bg-card); }

.btn-danger {
  background: transparent;
  color: var(--accent-red);
  border-color: var(--accent-red);
}

.btn-danger:hover { background: rgba(248,81,73,0.1); }

.btn-blue {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-lg { padding: 10px 20px; font-size: 14px; font-weight: 600; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-group label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px 10px;
  font-size: 13.5px;
  transition: border-color var(--transition);
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(31,111,235,0.15);
}

.form-group select option { background: var(--bg-secondary); }

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

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13.5px;
  color: var(--text-secondary);
}

.form-check input[type="checkbox"] {
  width: 15px; height: 15px;
  accent-color: var(--accent);
}

/* ---- CARD / PANEL ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.card-header h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

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

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

thead tr {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

th {
  padding: 10px 12px;
  text-align: left;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  white-space: nowrap;
}

td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: middle;
}

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

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

td .slug-link {
  color: #58a6ff;
  text-decoration: none;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 12px;
}

td .slug-link:hover { text-decoration: underline; }

/* ---- BADGES / STATUS ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}

.badge-green  { background: rgba(46,160,67,0.15); color: #3fb950; }
.badge-blue   { background: rgba(31,111,235,0.15); color: #58a6ff; }
.badge-orange { background: rgba(227,179,65,0.15); color: var(--accent-orange); }
.badge-gray   { background: rgba(139,148,158,0.15); color: var(--text-secondary); }
.badge-red    { background: rgba(248,81,73,0.15); color: var(--accent-red); }

/* ---- LOG TERMINAL ---- */
.log-box {
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  font-size: 12.5px;
  max-height: 340px;
  overflow-y: auto;
  line-height: 1.7;
}

.log-line { display: block; }
.log-line.info    { color: #58a6ff; }
.log-line.success { color: var(--accent-teal); }
.log-line.warning { color: var(--accent-orange); }
.log-line.error   { color: var(--accent-red); }
.log-line.done    { color: var(--accent-purple); font-weight: 600; }
.log-line.muted   { color: var(--text-muted); }

/* ---- PROGRESS BAR ---- */
.progress-bar-wrap {
  background: var(--bg-secondary);
  border-radius: 20px;
  height: 6px;
  overflow: hidden;
  margin: 8px 0;
}

.progress-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 20px;
  transition: width 0.3s ease;
}

/* ---- TABS NAV ---- */
.tabs-nav {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  overflow-x: auto;
}

.tab-btn {
  padding: 8px 14px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition);
  white-space: nowrap;
}

.tab-btn:hover { color: var(--text-primary); }

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

/* ---- CSV UPLOAD ---- */
.upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text-muted);
}

.upload-area:hover, .upload-area.drag-over {
  border-color: var(--accent);
  background: rgba(46,160,67,0.06);
  color: var(--accent-teal);
}

.upload-area .upload-icon { font-size: 28px; margin-bottom: 8px; }

/* ---- KEYWORD TABLE ---- */
.kw-volume {
  display: flex;
  align-items: center;
  gap: 6px;
}

.kw-bar {
  height: 5px;
  border-radius: 3px;
  background: var(--accent-blue);
  min-width: 4px;
}

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

/* ---- FILTERS BAR ---- */
.filters-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.filters-bar input,
.filters-bar select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 6px 10px;
  font-size: 13px;
}

.filters-bar input:focus,
.filters-bar select:focus {
  outline: none;
  border-color: var(--accent-blue);
}

/* ---- SETTINGS ---- */
.settings-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.settings-section h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.test-result {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 10px;
  font-size: 12.5px;
}

.test-result.ok     { color: var(--accent-teal); }
.test-result.fail   { color: var(--accent-red); }

/* ---- TOAST NOTIFICATIONS ---- */
#toast-container {
  position: fixed;
  bottom: 20px; right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  max-width: 340px;
  animation: slideIn 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast.success { border-left: 3px solid var(--accent); }
.toast.error   { border-left: 3px solid var(--accent-red); }
.toast.warning { border-left: 3px solid var(--accent-orange); }
.toast.info    { border-left: 3px solid var(--accent-blue); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ---- LOADING SPINNER ---- */
.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

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

.empty-state .empty-icon { font-size: 40px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; max-width: 300px; margin: 0 auto; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main { margin-left: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ---- CHIP/TAGS ---- */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 11.5px;
  color: var(--text-secondary);
  gap: 4px;
}

/* ---- SECTION TITLE ---- */
.section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.section-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}