/* MODULE: Attribution | FILE: styles.css */
/* Styles for the attribution modelling module. */

.attr-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  color: #e2e4ec;
}

.attr-page__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.attr-page__subtitle {
  color: #8b8fa3;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* Model selector */
.model-selector {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.model-selector__btn {
  padding: 0.4rem 1rem;
  border: 1px solid #2a2f4e;
  border-radius: 6px;
  background: transparent;
  color: #8b8fa3;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.15s;
}

.model-selector__btn--active {
  background: #635bff;
  color: #fff;
  border-color: #635bff;
}

/* Attribution chart */
.attr-chart {
  padding: 1.25rem;
  background: #1e2235;
  border: 1px solid #2a2f4e;
  border-radius: 10px;
  margin-bottom: 1.5rem;
}

.attr-chart__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.attr-chart__title {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
}

.attr-chart__summary {
  font-size: 0.82rem;
  color: #8b8fa3;
}

.attr-chart__canvas {
  width: 100%;
  height: 300px;
}

.attr-chart__canvas canvas {
  width: 100%;
  height: 100%;
}

.attr-chart__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.75rem;
  font-size: 0.78rem;
  color: #8b8fa3;
}

.attr-chart__legend-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.attr-chart__legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Path Sankey */
.path-sankey {
  padding: 1.25rem;
  background: #1e2235;
  border: 1px solid #2a2f4e;
  border-radius: 10px;
  margin-bottom: 1.5rem;
}

.path-sankey__title {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.path-sankey__canvas {
  width: 100%;
  height: 350px;
}

.path-sankey__canvas canvas {
  width: 100%;
  height: 100%;
}

.path-sankey__empty {
  text-align: center;
  color: #8b8fa3;
  padding: 2rem 0;
}

/* Comparison table */
.comp-table-wrap {
  margin-bottom: 1.5rem;
}

.comp-table-wrap__title {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.comp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.comp-table th {
  padding: 0.6rem 0.75rem;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  color: #8b8fa3;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid #2a2f4e;
  background: #1a1f36;
}

.comp-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid #1e2235;
  color: #c8cbdb;
}

.comp-table__channel {
  font-weight: 600;
  color: #e2e4ec;
}

.comp-table__roas--good {
  color: #22c55e;
  font-weight: 600;
}

.comp-table__roas--mid {
  color: #f59e0b;
  font-weight: 600;
}

.comp-table__roas--poor {
  color: #ef4444;
  font-weight: 600;
}

/* Tabs */
.attr-page__tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.attr-page__tab {
  padding: 0.4rem 1rem;
  border: 1px solid #2a2f4e;
  border-radius: 6px;
  background: transparent;
  color: #8b8fa3;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
}

.attr-page__tab--active {
  background: #635bff;
  color: #fff;
  border-color: #635bff;
}

/* Loading & error */
.attr-loading {
  text-align: center;
  color: #8b8fa3;
  padding: 2rem 0;
}

.attr-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.88rem;
}