:root {
  --bg: #0d0d0f;
  --bg-2: #16161a;
  --bg-3: #1d1d22;
  --border: #2a2a31;
  --text: #f0f0f0;
  --muted: #8a8a93;
  --gold: #e9b35f;
  --gold-soft: #d6a052;
  --red: #e8665f;
  --blue: #6cb0e8;
  --green: #6ed79e;
  --purple: #b78ce6;
  --orange: #e8a85f;
  --radius: 10px;
  --radius-sm: 6px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

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

.brand-mark {
  color: var(--gold);
  font-size: 18px;
  filter: drop-shadow(0 0 6px rgba(233,179,95,0.55));
}

.brand-text {
  font-weight: 600;
  letter-spacing: 0.4px;
  color: var(--text);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-primary {
  background: var(--gold);
  color: #1a1a1a;
  border: 0;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  width: 100%;
  margin-top: 8px;
}

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

.main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

/* Login */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.field {
  display: block;
  margin-bottom: 16px;
}

.field span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.field input,
.field select {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 10px 12px;
  font-size: 14px;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--gold);
}

.error {
  background: rgba(232,102,95,0.1);
  border: 1px solid rgba(232,102,95,0.3);
  color: var(--red);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-size: 13px;
  margin-bottom: 12px;
}

/* Dashboard */
.filters {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.tabs {
  display: flex;
  gap: 6px;
  background: var(--bg-2);
  border-radius: var(--radius);
  padding: 4px;
  border: 1px solid var(--border);
}

.tab {
  background: transparent;
  color: var(--muted);
  border: 0;
  padding: 8px 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}

.tab.is-active {
  background: var(--bg-3);
  color: var(--gold);
}

.month-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}

.month-filter select {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 8px 12px;
  font-size: 13px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.kpi-card .kpi-label {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

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

.kpi-card .kpi-sub {
  color: var(--muted);
  font-size: 11px;
  margin-top: 6px;
}

.chart-block {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}

.chart-title {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--text);
  font-weight: 600;
}

.chart-sub {
  margin: -10px 0 16px;
  font-size: 12px;
  color: var(--muted);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.chart-header .chart-title {
  margin: 0;
}

.view-toggle {
  display: flex;
  gap: 4px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.view-btn {
  background: transparent;
  color: var(--muted);
  border: 0;
  padding: 5px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
}

.view-btn.is-active {
  background: var(--gold);
  color: #1a1a1a;
}

.chart-wrap {
  position: relative;
  height: 320px;
}

.gaps-block {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}

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

.gaps-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.4px;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}

.gaps-table td {
  padding: 12px 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.gaps-table .right {
  text-align: right;
}

.gaps-table tbody tr:last-child td {
  border-bottom: 0;
}

.gaps-table .hot {
  color: var(--red);
  font-weight: 600;
}