:root {
  --bg: #0b0e14;
  --bg-soft: #10141d;
  --card: #131926;
  --card-2: #0f1420;
  --border: #1e2736;
  --text: #e7ebf2;
  --muted: #8a93a6;
  --faint: #5c6577;
  --accent: #7c9bff;
  --accent-2: #5b7cf5;
  --green: #2fd47f;
  --green-bg: rgba(47, 212, 127, 0.12);
  --red: #ff5d6c;
  --red-bg: rgba(255, 93, 108, 0.12);
  --amber: #f5b759;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  background: radial-gradient(1200px 600px at 50% -10%, #131a2a 0%, var(--bg) 55%) fixed;
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: rgba(11, 14, 20, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  user-select: none;
}

.logo {
  color: var(--accent);
  font-size: 20px;
  transform: translateY(1px);
}

.brand-name {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.02em;
}

.brand-sub {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.search {
  display: flex;
  gap: 10px;
  flex: 1;
  max-width: 720px;
  min-width: 320px;
}

.chain-select,
.address-input,
.sort-select,
.col-search {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.chain-select:hover,
.address-input:hover,
.sort-select:hover,
.col-search:hover {
  border-color: #2c3a52;
}

.chain-select:focus,
.address-input:focus,
.sort-select:focus,
.col-search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 155, 255, 0.15);
}

.chain-select {
  width: 140px;
  cursor: pointer;
}

.address-input {
  flex: 1;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
}

.analyze-btn {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 22px;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease, box-shadow 0.15s ease;
  box-shadow: 0 4px 14px rgba(91, 124, 245, 0.28);
}

.analyze-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(91, 124, 245, 0.4);
}

.analyze-btn:active {
  transform: translateY(0);
}

.analyze-btn:disabled {
  opacity: 0.55;
  cursor: default;
  transform: none;
}

.settings {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  width: 100%;
  align-items: flex-end;
}

.set-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.set-item-grow {
  flex: 1;
  min-width: 240px;
}

.set-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.set-hint {
  opacity: 0.65;
  font-weight: 400;
}

.set-select,
.set-input {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  padding: 8px 10px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.set-select {
  cursor: pointer;
}

.set-select:hover,
.set-input:hover {
  border-color: #2c3a52;
}

.set-select:focus,
.set-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 155, 255, 0.15);
}

.set-select:disabled,
.set-input:disabled {
  opacity: 0.55;
  cursor: default;
}

.key-fallback {
  width: 100%;
  margin-top: 12px;
}

.key-fallback summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
}

.key-fallback-body {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 6px;
}

.key-fallback-input {
  flex: 1 1 320px;
  min-width: 0;
}

.key-fallback-hint {
  flex: 1 1 100%;
  opacity: 0.7;
  line-height: 1.5;
  font-size: 12px;
}

.key-fallback code {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 11px;
  color: var(--text);
}

/* ---------- layout ---------- */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 26px 24px 60px;
}

/* ---------- progress ---------- */
.progress-wrap {
  display: flex;
  justify-content: center;
  padding: 40px 0;
}

.progress-card {
  width: 100%;
  max-width: 520px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
}

.progress-label {
  font-weight: 600;
  margin-bottom: 14px;
}

.progress-track {
  height: 8px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  border-radius: 999px;
  transition: width 0.35s ease;
}

.progress-note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

/* ---------- error ---------- */
.error-wrap {
  display: flex;
  justify-content: center;
  padding: 30px 0;
}

.error-card {
  width: 100%;
  max-width: 560px;
  background: var(--red-bg);
  border: 1px solid rgba(255, 93, 108, 0.35);
  border-radius: var(--radius);
  padding: 18px 22px;
}

.error-title {
  font-weight: 700;
  color: var(--red);
  margin-bottom: 6px;
}

.error-msg {
  color: var(--text);
  font-size: 14px;
}

/* ---------- summary ---------- */
.wallet-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.wallet-name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.wallet-addr {
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  text-decoration: none;
  transition: color 0.15s ease;
}

.wallet-addr:hover {
  color: var(--accent);
}

.wallet-stats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.stat-chip {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 13px;
}

.stat-chip b {
  color: var(--text);
  font-weight: 700;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.sum-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}

.sum-main {
  grid-column: span 2;
  background: linear-gradient(160deg, rgba(124, 155, 255, 0.1), var(--card) 60%);
  border-color: rgba(124, 155, 255, 0.25);
}

.sum-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.sum-value {
  font-size: 24px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.sum-main .sum-value {
  font-size: 30px;
}

.sum-sub {
  color: var(--faint);
  font-size: 12.5px;
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}

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

.pos {
  color: var(--green) !important;
}

.neg {
  color: var(--red) !important;
}

.pnl-cross {
  margin-top: 14px;
  background: var(--card-2);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.pnl-cross b {
  color: var(--text);
}

.data-notes {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--amber);
}

/* ---------- filters ---------- */
.filter-wrap {
  margin: 26px 0 16px;
}

.filters {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.seg {
  display: flex;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 2px;
}

.seg-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.seg-btn:hover {
  color: var(--text);
}

.seg-btn.active {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #fff;
}

.sort-select,
.col-search {
  margin-left: auto;
}

.sort-select {
  width: 140px;
  cursor: pointer;
}

.col-search {
  width: 220px;
}

/* ---------- collections ---------- */
.cols-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 14px;
}

.col-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.col-card:hover {
  border-color: #2c3a52;
}

.col-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 16px 12px;
  cursor: pointer;
  user-select: none;
}

.col-thumb {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  object-fit: cover;
  background: var(--card-2);
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.col-thumb-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--faint);
}

.col-info {
  flex: 1;
  min-width: 0;
}

.col-name {
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.col-meta {
  color: var(--muted);
  font-size: 12.5px;
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

.col-pnl {
  text-align: right;
  flex-shrink: 0;
}

.col-pnl-value {
  font-size: 18px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.col-pnl-pct {
  font-size: 12.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.col-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 18px;
  padding: 0 16px 14px;
}

.col-stat {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
}

.col-stat .k {
  color: var(--muted);
}

.col-stat .v {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.col-nfts {
  border-top: 1px solid var(--border);
  background: var(--card-2);
  display: none;
  max-height: 420px;
  overflow: auto;
}

.col-card.open .col-nfts {
  display: block;
}

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

.nft-table th {
  text-align: left;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--card-2);
}

.nft-table td {
  padding: 8px 16px;
  border-bottom: 1px solid rgba(30, 39, 54, 0.55);
  vertical-align: middle;
  font-variant-numeric: tabular-nums;
}

.nft-item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.nft-thumb {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--card);
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.nft-thumb-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--faint);
}

.nft-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
  font-weight: 500;
}

.badge {
  display: inline-block;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 9px;
  letter-spacing: 0.03em;
}

.badge-held {
  background: var(--accent);
  color: #fff;
}

.badge-sold {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
}

.badge-gifted {
  background: rgba(245, 183, 89, 0.15);
  color: var(--amber);
}

.badge-sold-col {
  background: var(--red-bg);
  color: var(--red);
}

.badge-unconfirmed {
  background: rgba(139, 133, 255, 0.15);
  color: #9b95ff;
}

.col-empty {
  padding: 14px 16px;
  color: var(--muted);
  font-size: 13px;
}

/* ---------- cost hint + manual edit ---------- */
.bought-cell {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  white-space: nowrap;
}

.hint-badge {
  display: inline-block;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 700;
  padding: 1px 7px;
  letter-spacing: 0.02em;
  cursor: help;
}

.hint-high {
  background: rgba(80, 200, 120, 0.13);
  color: #5ecf86;
}

.hint-low {
  background: rgba(245, 183, 89, 0.16);
  color: var(--amber);
}

.hint-manual {
  background: rgba(139, 133, 255, 0.16);
  color: #9b95ff;
}

.hint-unknown {
  background: var(--red-bg);
  color: var(--red);
}

.edit-cost {
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 2px 5px;
  border-radius: 5px;
}

.edit-cost:hover {
  color: var(--accent);
  background: rgba(124, 155, 255, 0.12);
}

.cost-edit {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.cost-input {
  width: 82px;
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.cost-input:focus {
  outline: none;
  border-color: var(--accent);
}

.cost-save,
.cost-cancel {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
}

.cost-save:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.cost-cancel:hover {
  color: var(--red);
  border-color: var(--red);
}

/* ---------- empty / footer ---------- */
.empty-wrap {
  display: flex;
  justify-content: center;
  padding: 60px 0 30px;
}

.empty-card {
  text-align: center;
  max-width: 520px;
}

.empty-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 10px;
}

.empty-sub {
  color: var(--muted);
  font-size: 14.5px;
}

/* ---------- insights / chart / export ---------- */
.insights {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.insight-chip {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12.5px;
  color: var(--muted);
}

.insight-chip b {
  font-weight: 700;
}

.chart-wrap {
  margin-top: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px 10px;
}

.chart-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 8px;
}

.chart-box svg {
  display: block;
}

.export-btn {
  margin-left: auto;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: 8px;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.export-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.export-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.footer {
  margin-top: 40px;
  text-align: center;
  color: var(--faint);
  font-size: 12.5px;
}
.footer a,
.key-fallback-hint a {
  color: var(--link, #6ea8ff);
  text-decoration: none;
}
.footer a:hover,
.key-fallback-hint a:hover {
  text-decoration: underline;
}
.key-fallback-steps {
  margin: 6px 0 0;
  padding-left: 18px;
}
.key-fallback-steps li {
  margin-top: 2px;
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .summary-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .sum-main {
    grid-column: span 3;
  }
}

@media (max-width: 640px) {
  .summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sum-main {
    grid-column: span 2;
  }
  .search {
    min-width: 100%;
    flex-wrap: wrap;
  }
  .chain-select {
    flex: 1;
  }
  .address-input {
    flex-basis: 100%;
  }
  .sort-select {
    margin-left: 0;
  }
}

.sum-usd {
  margin-top: 6px;
  font-size: 13px;
  font-weight: 600;
}
.sum-usd.pos { color: var(--pos, #2e9e5b); }
.sum-usd.neg { color: var(--neg, #e05b5b); }
.sum-usd.hidden { display: none; }

.cur-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #6b7280;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  padding: 1px 4px;
  margin-left: 4px;
  vertical-align: 2px;
}