:root {
  --tracker-bg-1: #07141f;
  --tracker-bg-2: #0b2030;
  --tracker-bg-3: #051019;
  --tracker-panel: rgba(8, 18, 30, 0.84);
  --tracker-panel-soft: rgba(255, 255, 255, 0.04);
  --tracker-line: rgba(140, 199, 255, 0.14);
  --tracker-line-strong: rgba(140, 199, 255, 0.24);
  --tracker-text: #f4f8ff;
  --tracker-soft: rgba(244, 248, 255, 0.74);
  --tracker-label: rgba(244, 248, 255, 0.6);
  --tracker-accent: #79c2ff;
  --tracker-accent-strong: #36a5ff;
  --tracker-ok: #84ffc4;
  --tracker-warn: #ffd27e;
  --tracker-danger: #ff8e8e;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 16% 18%, rgba(121, 194, 255, 0.18), rgba(121, 194, 255, 0) 22%),
    radial-gradient(circle at 84% 14%, rgba(132, 255, 196, 0.14), rgba(132, 255, 196, 0) 22%),
    radial-gradient(circle at 50% 100%, rgba(255, 210, 126, 0.08), rgba(255, 210, 126, 0) 28%),
    linear-gradient(180deg, var(--tracker-bg-1), var(--tracker-bg-2) 54%, var(--tracker-bg-3));
  color: var(--tracker-text);
}

body {
  min-height: 100vh;
}

.tracker-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(700px, 1fr);
  gap: 24px;
  padding: 24px;
}

.tracker-card {
  border-radius: 30px;
  border: 1px solid var(--tracker-line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    var(--tracker-panel);
  box-shadow:
    0 30px 72px rgba(0, 0, 0, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}

.tracker-controls,
.tracker-board {
  padding: 24px;
}

.tracker-board {
  display: grid;
  gap: 18px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--tracker-accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 800;
}

.tracker-heading h1 {
  margin: 0;
  font-size: clamp(2rem, 3.2vw, 3.3rem);
}

.copy,
.note-card p,
.display-subtitle,
.feedback-label {
  color: var(--tracker-soft);
}

.copy {
  margin: 14px 0 0;
  line-height: 1.55;
}

.field {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.field span,
.summary-tile span,
.board-progress span,
.display-badge,
.display-subtitle {
  color: var(--tracker-label);
}

.field span,
.summary-tile span,
.board-progress span,
.display-badge {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 800;
}

.field input,
.field select {
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  border-radius: 18px;
  border: 1px solid var(--tracker-line);
  background: rgba(4, 10, 20, 0.86);
  color: var(--tracker-text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.field input::placeholder {
  color: var(--tracker-label);
  opacity: 1;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: rgba(121, 194, 255, 0.42);
  box-shadow:
    0 0 0 3px rgba(121, 194, 255, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

button,
.home-link {
  min-height: 48px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  border: 1px solid var(--tracker-line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.03);
  color: var(--tracker-text);
  font: inherit;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    box-shadow 140ms ease;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.18);
}

button:hover,
.home-link:hover {
  transform: translateY(-1px);
  border-color: var(--tracker-line-strong);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.22);
}

.primary-action {
  border-color: rgba(121, 194, 255, 0.34);
  background:
    linear-gradient(180deg, rgba(121, 194, 255, 0.24), rgba(54, 165, 255, 0.12)),
    rgba(255, 255, 255, 0.04);
}

.danger-action {
  border-color: rgba(255, 142, 142, 0.3);
}

.aux-row {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.note-card {
  margin-top: 18px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--tracker-line);
  background: var(--tracker-panel-soft);
}

.note-card strong {
  display: block;
  margin-bottom: 10px;
}

.note-card p {
  margin: 0;
  line-height: 1.55;
}

.note-card p + p {
  margin-top: 10px;
}

.board-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.board-progress {
  text-align: right;
}

.board-progress strong {
  display: block;
  font-size: clamp(2rem, 3vw, 3rem);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.summary-tile {
  padding: 16px;
  border-radius: 20px;
  border: 1px solid var(--tracker-line);
  background: rgba(255, 255, 255, 0.03);
}

.summary-tile strong {
  display: block;
  margin-top: 8px;
  font-size: 1.35rem;
}

.table-wrap {
  overflow: auto;
  border-radius: 22px;
  border: 1px solid var(--tracker-line);
  background: rgba(3, 8, 17, 0.46);
}

.coin-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 1080px;
}

.coin-table th,
.coin-table td {
  padding: 14px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.coin-table th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: rgba(7, 17, 28, 0.96);
  color: var(--tracker-label);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
}

.coin-table th:first-child,
.coin-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background: rgba(7, 17, 28, 0.97);
  text-align: left;
}

.coin-table th:nth-child(2),
.coin-table td:nth-child(2) {
  background: rgba(7, 17, 28, 0.94);
}

.coin-table td:nth-child(2) {
  text-align: left;
}

.coin-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.025);
}

.coin-table tbody tr.is-complete td {
  background: rgba(132, 255, 196, 0.06);
}

.issuer-name {
  display: grid;
  gap: 4px;
}

.issuer-name strong {
  font-size: 1rem;
}

.issuer-name span,
.group-pill,
.total-label {
  color: var(--tracker-soft);
  font-size: 0.84rem;
}

.group-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--tracker-line);
  background: rgba(255, 255, 255, 0.04);
}

.coin-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 14px;
  border: 1px solid var(--tracker-line);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition:
    transform 120ms ease,
    border-color 120ms ease,
    background 120ms ease,
    box-shadow 120ms ease;
}

.coin-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--tracker-line-strong);
}

.coin-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.coin-toggle span {
  width: 16px;
  height: 16px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.05);
  transition:
    background 120ms ease,
    border-color 120ms ease,
    box-shadow 120ms ease;
}

.coin-toggle.is-on {
  border-color: rgba(132, 255, 196, 0.34);
  background: rgba(132, 255, 196, 0.12);
}

.coin-toggle.is-on span {
  border-color: rgba(132, 255, 196, 0.6);
  background: var(--tracker-ok);
  box-shadow: 0 0 16px rgba(132, 255, 196, 0.28);
}

.row-total {
  display: inline-grid;
  gap: 4px;
}

.row-total strong {
  font-size: 1rem;
}

.empty-state {
  padding: 36px 20px;
  text-align: center;
  color: var(--tracker-soft);
}

@media (max-width: 1180px) {
  .tracker-shell {
    grid-template-columns: 1fr;
  }

  .summary-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .tracker-shell {
    padding: 14px;
    gap: 14px;
  }

  .tracker-controls,
  .tracker-board {
    padding: 16px;
  }

  .button-grid,
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .board-top,
  .aux-row {
    flex-direction: column;
    align-items: stretch;
  }

  .board-progress {
    text-align: left;
  }

  .home-link,
  button {
    width: 100%;
  }
}