@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  --bg: #07081a;
  --bg-card: rgba(255,255,255,0.03);
  --dim: #b8bdd4;
  --faint: #6e749a;
  --white: #e8eaf0;
  --green: #34d399;
  --cyan: #22d3ee;
  --gold: #fbbf24;
  --purple: #a78bfa;
  --pink: #f472b6;
  --blue: #60a5fa;
  --red: #f87171;
  --sidebar-w: 240px;
  --header-h: 64px;
  --radius: 16px;
  --font-ui: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

:root[data-theme="light"] {
  --bg: #f0f2f5;
  --bg-card: rgba(0,0,0,0.02);
  --dim: #4a5568;
  --faint: #718096;
  --white: #1a202c;
}

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

body {
  background: var(--bg);
  color: var(--dim);
  font-family: var(--font-ui);
  font-size: 15px;
  min-height: 100vh;
  display: flex;
  transition: background 0.3s, color 0.3s;
}

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-w);
  background: rgba(255,255,255,0.02);
  border-right: 1px solid rgba(255,255,255,0.06);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}
.sidebar .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
  font-weight: 700;
  font-size: 18px;
  color: var(--white);
}
.sidebar .logo img {
  width: 32px;
  height: 32px;
}
.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--faint);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  margin-bottom: 4px;
}
.sidebar nav a:hover { color: var(--dim); background: rgba(255,255,255,0.04); }
.sidebar nav a.active {
  color: var(--white);
  background: rgba(255,255,255,0.06);
  border-left: 3px solid var(--cyan);
}
.sidebar .status {
  margin-top: auto;
  padding: 12px;
  font-size: 12px;
  color: var(--faint);
  display: flex;
  align-items: center;
  gap: 6px;
}
.sidebar .logout-link {
  display: block;
  padding: 8px 12px;
  font-size: 11px;
  color: var(--faint);
  text-decoration: none;
  text-align: center;
  transition: color 0.2s;
}
.sidebar .logout-link:hover { color: var(--red); }

.sidebar .status .pulse {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

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

/* ---- Header ---- */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}
.header h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
}
.header .btn-refresh {
  background: rgba(34,211,238,0.12);
  border: 1px solid rgba(34,211,238,0.3);
  color: var(--cyan);
  padding: 8px 18px;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
}
.header .btn-refresh:hover {
  background: rgba(34,211,238,0.2);
  box-shadow: 0 0 20px rgba(34,211,238,0.15);
}

/* ---- Stat Cards Grid ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

/* ---- Stat Card ---- */
.stat-card {
  border-radius: var(--radius);
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
  animation: fadeUp 0.5s ease both;
  transition: transform 0.25s ease;
}
.stat-card:hover { transform: translateY(-4px); }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.stat-card .label {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.stat-card .value {
  font-family: var(--font-mono);
  font-size: 29px;
  font-weight: 700;
  color: var(--white);
}
.stat-card .sub {
  font-size: 12px;
  margin-top: 6px;
}

/* Card color variants */
.c-green  { background: linear-gradient(145deg, rgba(52,211,153,0.16), transparent); border: 1px solid rgba(52,211,153,0.2); }
.c-green .label, .c-green .sub { color: var(--green); }
.c-cyan   { background: linear-gradient(145deg, rgba(34,211,238,0.16), transparent); border: 1px solid rgba(34,211,238,0.2); }
.c-cyan .label, .c-cyan .sub { color: var(--cyan); }
.c-gold   { background: linear-gradient(145deg, rgba(251,191,36,0.16), transparent); border: 1px solid rgba(251,191,36,0.2); }
.c-gold .label, .c-gold .sub { color: var(--gold); }
.c-purple { background: linear-gradient(145deg, rgba(167,139,250,0.16), transparent); border: 1px solid rgba(167,139,250,0.2); }
.c-purple .label, .c-purple .sub { color: var(--purple); }
.c-pink   { background: linear-gradient(145deg, rgba(244,114,182,0.16), transparent); border: 1px solid rgba(244,114,182,0.2); }
.c-pink .label, .c-pink .sub { color: var(--pink); }
.c-blue   { background: linear-gradient(145deg, rgba(96,165,250,0.16), transparent); border: 1px solid rgba(96,165,250,0.2); }
.c-blue .label, .c-blue .sub { color: var(--blue); }

/* ---- Chart Containers ---- */
.chart-panel {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.chart-panel h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}

/* ---- Table ---- */
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--faint);
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.data-table td {
  padding: 12px 14px;
  font-size: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.data-table a { color: var(--cyan); text-decoration: none; }
.data-table a:hover { text-decoration: underline; }

/* ---- Loading ---- */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--faint);
}
.spinner {
  width: 24px; height: 24px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Trend Badge ---- */
.trend {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 6px;
  margin-top: 6px;
}
.trend-up {
  color: var(--green);
  background: rgba(52,211,153,0.12);
}
.trend-down {
  color: var(--red);
  background: rgba(248,113,113,0.12);
}
.trend-neutral {
  color: var(--faint);
  background: rgba(255,255,255,0.05);
}

/* ---- Sparkline ---- */
.sparkline-container {
  position: absolute;
  bottom: 12px;
  right: 16px;
  width: 80px;
  height: 32px;
  opacity: 0.6;
}

/* ---- Stat card with sparkline needs relative positioning ---- */
.stat-card {
  position: relative;
  overflow: hidden;
}

/* ---- SEO Tabs ---- */
.tab-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding-bottom: 12px;
}
.tab-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--faint);
  padding: 8px 20px;
  border-radius: 20px;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s;
}
.tab-btn:hover {
  color: var(--dim);
  border-color: rgba(255,255,255,0.15);
}
.tab-btn.active {
  color: var(--cyan);
  background: rgba(34,211,238,0.1);
  border-color: rgba(34,211,238,0.3);
}
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---- Search input ---- */
.search-input {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--white);
  padding: 8px 16px;
  border-radius: 10px;
  font-family: var(--font-ui);
  font-size: 13px;
  width: 260px;
  margin-bottom: 16px;
  transition: border-color 0.2s;
}
.search-input:focus {
  outline: none;
  border-color: rgba(34,211,238,0.4);
}
.search-input::placeholder { color: var(--faint); }

/* ---- Horizontal bar chart (CSS-based) ---- */
.hbar { margin-bottom: 8px; }
.hbar-label {
  font-size: 13px;
  color: var(--dim);
  margin-bottom: 4px;
}
.hbar-track {
  height: 24px;
  background: rgba(255,255,255,0.03);
  border-radius: 6px;
  overflow: hidden;
}
.hbar-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.6s ease;
  display: flex;
  align-items: center;
  padding-left: 8px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--white);
  font-weight: 600;
}

/* ---- Check list (audit technique) ---- */
.check-list { list-style: none; }
.check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-size: 14px;
}
.check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}
.check-ok { background: rgba(52,211,153,0.15); color: var(--green); }
.check-warn { background: rgba(251,191,36,0.15); color: var(--gold); }
.check-err { background: rgba(248,113,113,0.15); color: var(--red); }

/* ---- SERP live input ---- */
.serp-input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}
.serp-input-group .search-input { margin-bottom: 0; flex: 1; }
.serp-input-group button {
  background: rgba(251,191,36,0.12);
  border: 1px solid rgba(251,191,36,0.3);
  color: var(--gold);
  padding: 8px 20px;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
}
.serp-input-group button:hover {
  background: rgba(251,191,36,0.2);
}

/* ---- Alert cards ---- */
.alert-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 12px;
  border-left: 4px solid var(--faint);
}
.alert-critical { border-left-color: var(--red); }
.alert-warning { border-left-color: var(--gold); }
.alert-info { border-left-color: var(--cyan); }

.alert-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.alert-icon { font-size: 16px; }
.alert-category {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--faint);
  font-weight: 600;
}
.alert-type-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 700;
  text-transform: uppercase;
  margin-left: auto;
}
.alert-badge-critical { background: rgba(248,113,113,0.15); color: var(--red); }
.alert-badge-warning { background: rgba(251,191,36,0.15); color: var(--gold); }
.alert-badge-info { background: rgba(34,211,238,0.15); color: var(--cyan); }

.alert-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}
.alert-detail {
  font-size: 13px;
  color: var(--faint);
  margin-bottom: 8px;
}
.alert-link {
  font-size: 12px;
  color: var(--cyan);
  text-decoration: none;
  font-weight: 600;
}
.alert-link:hover { text-decoration: underline; }

/* ---- C-red variant ---- */
.c-red { background: linear-gradient(145deg, rgba(248,113,113,0.16), transparent); border: 1px solid rgba(248,113,113,0.2); }
.c-red .label, .c-red .sub { color: var(--red); }

/* ---- Color scoring (PageSpeed) ---- */
.score-good { color: var(--green); }
.score-avg  { color: var(--gold); }
.score-bad  { color: var(--red); }

/* ---- Date picker ---- */
.date-picker {
  display: flex;
  gap: 6px;
  align-items: center;
}
.date-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--faint);
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  transition: all 0.2s;
}
.date-btn:hover {
  color: var(--dim);
  border-color: rgba(255,255,255,0.15);
}
.date-btn.active {
  color: var(--cyan);
  background: rgba(34,211,238,0.1);
  border-color: rgba(34,211,238,0.3);
}

/* ---- Export PDF button ---- */
.btn-pdf {
  background: rgba(167,139,250,0.12);
  border: 1px solid rgba(167,139,250,0.3);
  color: var(--purple);
  padding: 8px 18px;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
}
.btn-pdf:hover {
  background: rgba(167,139,250,0.2);
  box-shadow: 0 0 20px rgba(167,139,250,0.15);
}

/* ---- Export CSV button ---- */
.btn-export {
  background: rgba(167,139,250,0.12);
  border: 1px solid rgba(167,139,250,0.3);
  color: var(--purple);
  padding: 4px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  transition: all 0.2s;
}
.btn-export:hover {
  background: rgba(167,139,250,0.2);
}

/* ---- KPI Progress bars ---- */
.kpi-progress { margin-top: 12px; }
.kpi-progress .hbar-track { height: 20px; }
.kpi-target-text {
  font-size: 12px;
  color: var(--faint);
  margin-top: 6px;
  font-family: var(--font-mono);
}
.progress-good { background: var(--green); }
.progress-mid { background: var(--gold); }
.progress-low { background: var(--red); }

/* ---- Theme toggle button ---- */
.theme-toggle {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--faint);
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  transition: all 0.2s;
  width: 100%;
  text-align: center;
  margin-top: 12px;
}
.theme-toggle:hover {
  color: var(--dim);
  border-color: rgba(255,255,255,0.2);
}

/* ---- Light mode overrides ---- */
[data-theme="light"] .sidebar {
  background: rgba(0,0,0,0.02);
  border-right: 1px solid rgba(0,0,0,0.08);
}
[data-theme="light"] .sidebar nav a:hover {
  background: rgba(0,0,0,0.04);
}
[data-theme="light"] .sidebar nav a.active {
  background: rgba(0,0,0,0.06);
}
[data-theme="light"] .chart-panel {
  background: var(--bg-card);
  border-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .tab-bar {
  border-bottom-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .tab-btn {
  border-color: rgba(0,0,0,0.1);
}
[data-theme="light"] .tab-btn:hover {
  border-color: rgba(0,0,0,0.2);
}
[data-theme="light"] .data-table th {
  border-bottom-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .data-table td {
  border-bottom-color: rgba(0,0,0,0.04);
}
[data-theme="light"] .data-table tr:hover td {
  background: rgba(0,0,0,0.02);
}
[data-theme="light"] .date-btn {
  background: rgba(0,0,0,0.04);
  border-color: rgba(0,0,0,0.1);
}
[data-theme="light"] .date-btn:hover {
  border-color: rgba(0,0,0,0.2);
}
[data-theme="light"] .search-input {
  background: rgba(0,0,0,0.04);
  border-color: rgba(0,0,0,0.1);
}
[data-theme="light"] .alert-card {
  border-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .hbar-track {
  background: rgba(0,0,0,0.04);
}
[data-theme="light"] .loading {
  color: var(--faint);
}
[data-theme="light"] .spinner {
  border-color: rgba(0,0,0,0.1);
  border-top-color: var(--cyan);
}
[data-theme="light"] .trend-neutral {
  background: rgba(0,0,0,0.05);
}
[data-theme="light"] .check-list li {
  border-bottom-color: rgba(0,0,0,0.06);
}
[data-theme="light"] .theme-toggle {
  background: rgba(0,0,0,0.04);
  border-color: rgba(0,0,0,0.1);
}
[data-theme="light"] .theme-toggle:hover {
  border-color: rgba(0,0,0,0.2);
}

/* Light mode stat card color variants */
[data-theme="light"] .c-green  { background: linear-gradient(145deg, rgba(52,211,153,0.08), transparent); border-color: rgba(52,211,153,0.15); }
[data-theme="light"] .c-cyan   { background: linear-gradient(145deg, rgba(34,211,238,0.08), transparent); border-color: rgba(34,211,238,0.15); }
[data-theme="light"] .c-gold   { background: linear-gradient(145deg, rgba(251,191,36,0.08), transparent); border-color: rgba(251,191,36,0.15); }
[data-theme="light"] .c-purple { background: linear-gradient(145deg, rgba(167,139,250,0.08), transparent); border-color: rgba(167,139,250,0.15); }
[data-theme="light"] .c-pink   { background: linear-gradient(145deg, rgba(244,114,182,0.08), transparent); border-color: rgba(244,114,182,0.15); }
[data-theme="light"] .c-blue   { background: linear-gradient(145deg, rgba(96,165,250,0.08), transparent); border-color: rgba(96,165,250,0.15); }
[data-theme="light"] .c-red    { background: linear-gradient(145deg, rgba(248,113,113,0.08), transparent); border-color: rgba(248,113,113,0.15); }