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

:root {
  --bg: #0b1021;
  --panel: #10162b;
  --panel-border: #1d2640;
  --text: #e9edf7;
  --muted: #9aa3ba;
  --accent: #6cf0c2;
  --accent-2: #7c8bff;
  --error: #ff7b7b;
  --font: "Space Grotesk", "Inter", system-ui, -apple-system, sans-serif;
}

body {
  margin: 0;
  background: radial-gradient(circle at 10% 20%, rgba(124, 139, 255, 0.18), transparent 30%), radial-gradient(circle at 80% 10%, rgba(108, 240, 194, 0.18), transparent 25%), var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 32px;
}

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

h1 {
  margin: 0 0 8px;
  font-size: 32px;
}

h2 {
  margin: 0;
  font-size: 22px;
}

.lede {
  margin: 0;
  color: var(--muted);
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
}

.hero-badge .dot {
  color: var(--accent);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 18px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.tab {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  padding: 10px 14px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 600;
}

.tab.active {
  color: #0a0f1f;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 30px rgba(124, 139, 255, 0.35);
}

.tab-panels {
  display: grid;
  gap: 14px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.card.big {
  grid-column: span 2;
}

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

.controls,
.mini-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.select {
  display: grid;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}

select,
input[type="number"],
input[type="range"] {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 8px 10px;
  color: var(--text);
  font-family: var(--font);
}

input[type="range"] {
  width: 140px;
}

input[type="number"] {
  max-width: 90px;
}

button {
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  padding: 10px 14px;
  color: var(--text);
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

button:hover {
  transform: translateY(-1px);
}

.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #0a0f1f;
  box-shadow: 0 10px 30px rgba(124, 139, 255, 0.35);
}

.ghost {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  color: var(--muted);
}

.danger {
  background: linear-gradient(120deg, #ff9b9b, #ff7b7b);
  color: #0a0f1f;
}

.chart-wrapper {
  background: #0c1226;
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 12px;
  min-height: 320px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
  margin: 10px 0 0;
}

.input-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
  margin-top: 6px;
}

.input-grid label {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
  padding: 4px 6px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
}

.input-grid input {
  width: 100%;
}

.result {
  margin-top: 12px;
  padding: 10px;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.result-value {
  margin: 2px 0;
  font-size: 24px;
  font-weight: 700;
}

.result-detail {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

h3 {
  margin: 0;
  font-size: 18px;
}

.card-header.stacked {
  align-items: flex-start;
}

.lede.small {
  color: var(--muted);
  font-size: 14px;
  margin-top: 6px;
}

.rating-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.table-box {
  width: 100%;
  overflow-x: auto;
}

.actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 6px;
  gap: 6px;
}

.chart-row {
  margin-top: 12px;
}

.chart-wrapper.full-height {
  height: 622px;
  min-height: 518px;
}

.tone-chart {
  min-height: 320px;
}

.tone-body {
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
}

.tone-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 8px;
}

.tone-item {
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.02);
  display: grid;
  gap: 6px;
}

.tone-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.tone-top label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.tone-controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.tone-controls input[type="number"] {
  width: 80px;
}

.tone-controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.tone-control {
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  display: grid;
  gap: 8px;
}

.tone-label {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}

.tone-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.tone-row input[type="range"] {
  width: 100%;
}

.tone-number {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
}

.wave-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.wave-options label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.chart-container {
  display: grid;
  gap: 8px;
}

.chart-summary {
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.02);
}

.summary-title {
  margin: 0;
  font-weight: 700;
}

.summary-detail {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.rating-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

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

.data-table {
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  overflow: hidden;
}

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

.data-table th,
.data-table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--panel-border);
  color: var(--text);
  text-align: left;
}

.data-table th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-weight: 600;
}

.data-table tr:last-child td {
  border-bottom: none;
  font-weight: 600;
}

.data-table input[type="number"] {
  width: 90px;
  max-width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  color: var(--text);
  padding: 6px 8px;
}

.footer-note {
  max-width: 1200px;
  margin: 40px auto 40px;
  padding: 12px 20px 0;
  color: var(--accent);
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  border-top: 1px solid var(--panel-border);
}

@media (max-width: 900px) {
  .card.big {
    grid-column: span 1;
  }

  .hero {
    flex-direction: column;
  }
}