/* ===== SWAP PORTAL STYLES ===== */

/* ----- App shell ----- */
.app-body {
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ----- Nav ----- */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.9rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--fg);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.nav-logo {
  color: var(--accent);
  font-size: 1.2rem;
}

.nav-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
}

/* ----- Main layout ----- */
.app-main {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  padding: 2.5rem 2rem 4rem;
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 2rem;
  align-items: start;
}

/* ----- Swap panel ----- */
.swap-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2rem;
  position: sticky;
  top: 80px;
}

.panel-header {
  margin-bottom: 2rem;
}

.panel-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.panel-sub {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ----- Token blocks ----- */
.token-block {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 1.25rem;
  margin-bottom: 0.5rem;
}

.token-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  margin-bottom: 1rem;
}

.token-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
  align-items: end;
}

.mini-label {
  display: block;
  font-size: 0.7rem;
  color: var(--fg-muted);
  margin-bottom: 0.4rem;
}

.chain-select,
.token-select,
.amount-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 0.9rem;
  padding: 0.55rem 0.75rem;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: border-color 0.2s;
}

.chain-select:focus,
.token-select:focus,
.amount-input:focus {
  border-color: var(--accent);
}

.output-display {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.55rem 0.75rem;
  min-height: 2.2rem;
  display: flex;
  align-items: center;
}

/* ----- Swap direction button ----- */
.swap-arrow-row {
  display: flex;
  justify-content: center;
  margin: 0.25rem 0;
}

.swap-arrow-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--accent);
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.3s;
}

.swap-arrow-btn:hover {
  background: var(--accent-dim);
}

.swap-arrow-btn.spinning {
  transform: rotate(180deg);
}

/* ----- Find route button ----- */
.find-route-btn {
  width: 100%;
  margin-top: 1.5rem;
  background: var(--accent);
  color: #0a0a0f;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: none;
  padding: 0.9rem 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: opacity 0.2s, transform 0.1s;
}

.find-route-btn:hover { opacity: 0.9; }
.find-route-btn:active { transform: scale(0.99); }
.find-route-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-loader {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #0a0a0f;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ----- Route summary ----- */
.route-summary {
  margin-top: 1.25rem;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.summary-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.summary-label {
  font-size: 0.7rem;
  color: var(--fg-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.summary-value {
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

/* ----- Results panel ----- */
.results-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.75rem;
}

.card-header {
  margin-bottom: 1.5rem;
}

.card-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 0.5rem;
  letter-spacing: -0.01em;
}

/* ----- Shard extraction grid ----- */
.shard-extract-grid {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.shard-placeholder-row {
  height: 0.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  animation: shimmer 1.8s ease-in-out infinite;
}

@keyframes shimmer {
  0%   { opacity: 0.4; }
  50%  { opacity: 0.8; }
  100% { opacity: 0.4; }
}

.shard-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  animation: fadeIn 0.3s ease forwards;
}

.shard-item:last-child { border-bottom: none; }

.shard-item-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.shard-item-chain {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.4rem;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  letter-spacing: 0.1em;
}

.shard-item-value {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
  text-align: right;
  min-width: 5rem;
}

.shard-confidence {
  font-size: 0.7rem;
  color: var(--fg-muted);
  font-family: var(--font-mono);
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: -0.25rem;
}

.confidence-bar {
  height: 2px;
  background: var(--accent-dim);
  flex: 1;
  position: relative;
  overflow: hidden;
}

.confidence-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: var(--accent);
  transition: width 0.8s ease;
}

/* ----- Route list ----- */
.route-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.empty-hint {
  font-size: 0.88rem;
  color: var(--fg-muted);
  font-family: var(--font-mono);
}

.route-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  animation: fadeIn 0.35s ease forwards;
  opacity: 0;
}

.route-item:hover {
  border-color: rgba(0,255,163,0.25);
  background: rgba(0,255,163,0.04);
}

.route-item.recommended {
  border-color: var(--accent);
}

.route-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.route-rank {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-muted);
  letter-spacing: 0.1em;
}

.route-rank.top {
  color: var(--accent);
}

.route-score-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.2rem 0.6rem;
  background: var(--accent-dim);
  border: 1px solid rgba(0,255,163,0.2);
  color: var(--accent);
}

.route-score-bar-wrap {
  height: 4px;
  background: var(--border);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.route-score-bar {
  height: 100%;
  background: var(--accent);
  width: 0;
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.route-item.not-recommended .route-score-bar {
  background: var(--fg-muted);
}

.route-hops {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-muted);
}

.hop-protocol {
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--border);
  color: var(--fg);
  font-size: 0.72rem;
}

.hop-arrow {
  color: var(--accent);
  font-size: 0.8rem;
}

.hop-bridge {
  padding: 0.15rem 0.4rem;
  border: 1px solid rgba(0,120,255,0.3);
  background: rgba(0,120,255,0.06);
  color: #6eb6ff;
  font-size: 0.72rem;
}

.route-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.metric {
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.metric-label {
  color: var(--fg-muted);
  margin-bottom: 0.15rem;
  display: block;
}

.metric-value {
  color: var(--fg);
  font-weight: 500;
}

/* ----- Yield table ----- */
.yield-table {
  display: grid;
  gap: 1rem;
}

.yield-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.yield-side {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 1.25rem;
  animation: fadeIn 0.4s ease forwards;
}

.yield-side.trader { border-color: rgba(0,255,163,0.2); }
.yield-side.lp     { border-color: rgba(0,120,255,0.2); }

.yield-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  margin-bottom: 0.75rem;
}

.yield-main-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.yield-side.trader .yield-main-value { color: var(--accent); }
.yield-side.lp     .yield-main-value { color: #6eb6ff; }

.yield-sub {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.yield-breakdown {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.yield-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  animation: fadeIn 0.3s ease forwards;
  opacity: 0;
}

.yield-row:last-child { border-bottom: none; }

.yield-row-label { color: var(--fg-muted); }
.yield-row-value { font-family: var(--font-mono); font-size: 0.8rem; }

/* ----- Path overlay ----- */
.path-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,10,15,0.85);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  backdrop-filter: blur(4px);
}

.path-overlay.hidden { display: none; }

.path-inner {
  background: var(--bg-card);
  border: 1px solid var(--accent);
  max-width: 680px;
  width: 100%;
  padding: 2rem;
}

.path-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.path-close {
  background: none;
  border: none;
  color: var(--fg-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.25rem;
  line-height: 1;
}

.path-close:hover { color: var(--fg); }

.path-viz {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.path-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.path-node-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-align: center;
  min-width: 100px;
}

.path-node-box.highlighted {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

.path-node-box.bridge-node {
  border-color: rgba(0,120,255,0.4);
  background: rgba(0,120,255,0.06);
  color: #6eb6ff;
}

.path-chain-label {
  font-size: 0.65rem;
  color: var(--fg-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
}

.path-connector {
  width: 2.5rem;
  height: 1px;
  background: var(--border);
  position: relative;
  flex-shrink: 0;
}

.path-connector::after {
  content: '▶';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.6rem;
  color: var(--accent);
}

/* ----- Utility ----- */
.hidden { display: none !important; }
.accent { color: var(--accent); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ----- Responsive ----- */
@media (max-width: 900px) {
  .app-main {
    grid-template-columns: 1fr;
  }
  .swap-panel {
    position: static;
  }
  .token-row {
    grid-template-columns: 1fr 1fr;
  }
  .amount-wrap {
    grid-column: 1 / -1;
  }
  .yield-header {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .app-main { padding: 1.5rem 1rem 3rem; }
  .result-card, .swap-panel { padding: 1.25rem; }
  .route-metrics { grid-template-columns: 1fr 1fr; }
}