/* ============================================================
   VDX Supply Chain Page Styles
   ============================================================ */

/* --- Main tab switcher --------------------------------------- */
.sc-main-tabs {
  display: flex;
  align-items: center;
  gap: .25rem;
  margin-bottom: 1.25rem;
  padding: .25rem;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: fit-content;
}

.sc-tab-btn {
  padding: .4rem 1.1rem;
  font-size: .88rem;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.sc-tab-btn:hover {
  color: var(--text);
  background: rgba(15, 52, 96, .3);
}

.sc-tab-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* --- Chain selector bar -------------------------------------- */
.sc-chain-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin-bottom: .75rem;
  padding: .6rem 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.sc-chain-btn {
  padding: .3rem .75rem;
  font-size: .8rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.sc-chain-btn:hover {
  background: rgba(15, 52, 96, .3);
  color: var(--text);
}

.sc-chain-btn.active {
  background: var(--accent);
  border-color: var(--info);
  color: #fff;
}

.sc-industry-count {
  font-size: .65rem;
  font-weight: 400;
  color: var(--text-dim);
  margin-left: .25rem;
  opacity: .7;
}

.sc-chain-btn.active .sc-industry-count {
  color: rgba(255,255,255,.7);
}

/* --- Controls bar -------------------------------------------- */
.sc-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.25rem;
  padding: .75rem 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.sc-control-group {
  display: flex;
  align-items: center;
  gap: .35rem;
}

.sc-control-label {
  font-size: .82rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.sc-period-btn {
  padding: .25rem .6rem;
  font-size: .78rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.sc-period-btn:hover {
  background: rgba(15, 52, 96, .3);
  color: var(--text);
}

.sc-period-btn.active {
  background: var(--accent);
  border-color: var(--info);
  color: #fff;
}

.sc-controls-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
  flex-shrink: 0;
}

.sc-sim-input {
  width: 70px;
  padding: .25rem .5rem;
  font-size: .82rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  text-align: right;
}

.sc-sim-input:focus {
  border-color: var(--info);
  outline: none;
}

.sc-sim-unit {
  font-size: .78rem;
  color: var(--text-dim);
}

.sc-commodity-select {
  width: auto;
  min-width: 120px;
  padding: .25rem .5rem;
  font-size: .82rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
}

.sc-commodity-select:focus {
  border-color: var(--info);
  outline: none;
}

.sc-btn {
  padding: .3rem .75rem;
  font-size: .8rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font);
  color: #fff;
  transition: background var(--transition), transform .1s;
}

.sc-btn:active {
  transform: scale(.97);
}

.sc-btn-primary {
  background: var(--accent);
}

.sc-btn-primary:hover {
  background: #0d4a8f;
}

.sc-btn-sim {
  background: linear-gradient(135deg, #e65c00, #f09819);
}

.sc-btn-sim:hover {
  filter: brightness(1.1);
}

.sc-btn-sim:disabled {
  opacity: .5;
  cursor: not-allowed;
  filter: none;
}

/* --- Main layout (graph + ranking) --------------------------- */
.sc-main-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.25rem;
  align-items: start;
}

/* --- Graph container ----------------------------------------- */
.sc-chart-container {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  position: relative;
  min-height: 500px;
}

.sc-chart-area {
  width: 100%;
  height: 500px;
}

.sc-chart-legend {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: .75rem;
  border-top: 1px solid var(--border);
  margin-top: .75rem;
}

.sc-legend-item {
  display: flex;
  align-items: center;
  gap: .3rem;
  font-size: .75rem;
  color: var(--text-muted);
}

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

/* --- Ranking panel ------------------------------------------- */
.sc-ranking-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sc-ranking-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
}

.sc-ranking-title {
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: .75rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}

.sc-ranking-title-benefit {
  color: var(--success);
}

.sc-ranking-title-damage {
  color: var(--danger);
}

.sc-ranking-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.sc-rank-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .4rem .6rem;
  border-radius: var(--radius);
  font-size: .82rem;
  transition: background var(--transition);
  cursor: default;
}

.sc-rank-item:hover {
  background: rgba(15, 52, 96, .3);
}

.sc-rank-num {
  font-size: .75rem;
  font-weight: 700;
  color: var(--text-dim);
  min-width: 1.5em;
  text-align: right;
  flex-shrink: 0;
}

.sc-rank-name {
  flex: 1;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sc-rank-bar {
  width: 60px;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
}

.sc-rank-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width .3s ease;
}

.sc-rank-pct {
  font-size: .78rem;
  font-weight: 600;
  min-width: 4.5em;
  text-align: right;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

/* Benefit (green) */
.sc-benefit .sc-rank-bar-fill {
  background: var(--success);
}

.sc-benefit .sc-rank-pct {
  color: var(--success);
}

/* Damage (red) */
.sc-damage .sc-rank-bar-fill {
  background: var(--danger);
}

.sc-damage .sc-rank-pct {
  color: var(--danger);
}

/* --- GSM company ranking ------------------------------------- */
.sc-ranking-divider {
  height: 1px;
  background: var(--border);
  margin: .5rem 0;
}

.sc-ranking-title-gsm {
  color: var(--info);
}

.sc-gsm-subtitle {
  font-size: .72rem;
  color: var(--text-dim);
  margin-top: -.4rem;
  margin-bottom: .6rem;
}

.sc-ranking-subsection {
  margin-bottom: .5rem;
}

.sc-ranking-subtitle {
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: .4rem;
}

.sc-rank-item .sc-rank-name.sc-clickable {
  cursor: pointer;
  text-decoration: underline dotted;
}

.sc-rank-item .sc-rank-name.sc-clickable:hover {
  color: var(--info);
}

/* --- Empty / loading states ---------------------------------- */
.sc-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: .85rem;
}

.sc-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: 3rem;
  color: var(--text-muted);
  font-size: .85rem;
}

/* --- Info banner --------------------------------------------- */
.sc-info-banner {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-top: 1.25rem;
  padding: .75rem 1rem;
  background: rgba(61, 194, 236, .08);
  border: 1px solid rgba(61, 194, 236, .2);
  border-radius: var(--radius);
  font-size: .82rem;
  color: var(--text-muted);
}

.sc-info-icon {
  font-size: 1.1rem;
  color: var(--info);
  flex-shrink: 0;
}

/* --- Simulation active state --------------------------------- */
.sc-sim-active {
  border-color: var(--warning) !important;
}

.sc-sim-badge {
  display: inline-block;
  padding: .1rem .5rem;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 600;
  background: rgba(255, 170, 0, .2);
  color: var(--warning);
  margin-left: .5rem;
}

/* --- Search input -------------------------------------------- */
.sc-search-input {
  width: 140px;
  padding: .25rem .5rem;
  font-size: .82rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
}

.sc-search-input:focus {
  border-color: var(--info);
  outline: none;
}

.sc-btn-clear {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: .2rem .4rem;
  font-size: .75rem;
  cursor: pointer;
  border-radius: var(--radius);
  transition: color var(--transition), border-color var(--transition);
}

.sc-btn-clear:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

/* --- Layout toggle button ------------------------------------ */
.sc-btn-layout {
  background: var(--accent);
}

.sc-btn-layout:hover {
  background: #0d4a8f;
}

.sc-btn-layout.active {
  background: #e65c00;
}

.sc-btn-layout.active:hover {
  background: #cc5200;
}

/* --- Responsive ---------------------------------------------- */
@media (max-width: 1100px) {
  .sc-main-layout {
    grid-template-columns: 1fr 280px;
  }
}

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

  .sc-chart-area {
    height: 400px;
  }

  .sc-ranking-panel {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .sc-ranking-section {
    flex: 1 1 280px;
  }
}

@media (max-width: 640px) {
  .sc-main-tabs {
    width: 100%;
  }

  .sc-tab-btn {
    flex: 1;
    text-align: center;
  }

  .sc-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .sc-control-group {
    flex-wrap: wrap;
  }

  .sc-chart-area {
    height: 320px;
  }

  .sc-main-layout {
    gap: .75rem;
  }

  .sc-ranking-panel {
    flex-direction: column;
  }
}

/* --- Industry dropdown --------------------------------------- */
.sc-industry-select {
  padding: .35rem .6rem;
  font-size: .85rem;
  font-family: var(--font);
  background: var(--bg-alt);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
}

.sc-industry-select:hover,
.sc-industry-select:focus {
  border-color: var(--accent);
}

/* --- Display mode toggle ------------------------------------- */
.sc-mode-btn {
  padding: .3rem .7rem;
  font-size: .8rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.sc-mode-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

.sc-mode-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* --- Legend extras -------------------------------------------- */
.sc-legend-sep {
  width: 1px;
  height: 14px;
  background: var(--border);
  margin: 0 .25rem;
}

.sc-legend-ring {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: transparent;
  margin-right: .35rem;
  vertical-align: middle;
}