:root {
  color-scheme: dark;
  --bg: #000000;
  --bg-2: #020a14;
  --panel: #0b111a;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8edf5;
  --muted: #a4adbc;
  --accent: #00c2ff;
  --accent-2: #0086ff;
  --success: #00c2ff;
  --danger: #e35d5d;
  --white: #ffffff;
  --gray-soft: #c4c8cf;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

.bg-gradient {
  position: fixed;
  inset: 0;
  background: radial-gradient(120% 120% at 20% 20%, rgba(0, 194, 255, 0.18), transparent),
    radial-gradient(120% 120% at 80% 30%, rgba(0, 134, 255, 0.16), transparent),
    radial-gradient(140% 140% at 50% 80%, rgba(255, 255, 255, 0.08), transparent);
  filter: blur(0px);
  z-index: 0;
}

.shell {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 20px 92px;
}

.hero {
  text-align: left;
  margin-bottom: 32px;
}
.hero.center {
  text-align: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-size: 12px;
  color: var(--accent-2);
  margin: 0 0 6px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 36px);
}

.lede {
  margin: 0;
  color: var(--muted);
  max-width: 760px;
  line-height: 1.6;
}

.card {
  background: linear-gradient(145deg, rgba(2, 10, 20, 0.7), rgba(0, 0, 0, 0.8));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.label {
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 2px;
}

.card h3 {
  margin: 0 0 4px;
}

.status {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 194, 255, 0.1);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 13px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 14px 0;
}

.field label {
  color: var(--muted);
  font-size: 14px;
}

.field input {
  padding: 12px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
  font-size: 15px;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 10px 0 6px;
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
  padding: 11px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.05s ease, border 0.1s ease, background 0.1s ease;
  font-weight: 600;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(0, 194, 255, 0.35);
}

.btn.ghost {
  background: rgba(255, 255, 255, 0.06);
}

.note {
  margin-top: 8px;
  color: var(--gray-soft);
  font-size: 13px;
  line-height: 1.5;
}

.log {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  color: var(--muted);
  font-size: 13px;
  max-height: 220px;
  overflow: auto;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(0, 194, 255, 0.1);
  color: var(--white);
  font-weight: 600;
}

.chip.muted {
  color: var(--muted);
}

select {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
  font-size: 15px;
}

.chart-row {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.stats {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  width: min(520px, 100%);
}

.stat {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.stat h2 {
  margin: 4px 0 0;
}

.log-wrapper summary {
  cursor: pointer;
  color: var(--gray-soft);
  margin-bottom: 6px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--white);
}

.brand .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 16px rgba(0, 194, 255, 0.6);
}

.user-chip-wrap {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.center-note {
  text-align: center;
  color: var(--gray-soft);
  margin: 12px 0 6px;
  font-weight: 600;
}

.page-login .hero {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 0 20px;
}

.btn.large {
  padding: 14px 18px;
  font-size: 16px;
}

.small {
  font-size: 12px;
}

.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

@media (max-width: 640px) {
  .card__header {
    flex-direction: column;
    align-items: flex-start;
  }
  .actions {
    width: 100%;
  }
  .btn {
    flex: 1;
    text-align: center;
  }
}

/* New Logic */
.hidden { display: none !important; }

.chart-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  margin-top: 24px;
}

@media (max-width: 900px) {
  .chart-grid {
    grid-template-columns: 1fr;
  }
}

.chart-col {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--border);
}

.chart-col.wide {
  display: block;
}

.chart-title {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--muted);
  font-weight: 600;
  width: 100%;
  text-align: center;
}

.pie-center-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 26px;
  font-weight: 700;
  color: var(--white);
  pointer-events: none;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

/* Insight Message Styles */
.insight-message {
  padding: 12px 16px;
  margin: 16px 0;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  text-align: center;
  border: 1px solid transparent;
}
.insight-message.danger {
  background: rgba(227, 93, 93, 0.1);
  color: var(--danger);
  border-color: rgba(227, 93, 93, 0.2);
}
.insight-message.warning {
  background: rgba(255, 171, 0, 0.1);
  color: #ffab00;
  border-color: rgba(255, 171, 0, 0.2);
}
.insight-message.success {
  background: rgba(0, 194, 255, 0.1);
  color: var(--success);
  border-color: rgba(0, 194, 255, 0.2);
}
.insight-message.neutral {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border-color: var(--border);
}