:root {
  --ink: #0b1f2a;
  --ink-soft: #243b47;
  --muted: #5d7380;
  --line: #d5e2e6;
  --paper: #ffffff;
  --bg: #eef3f2;
  --bg-deep: #e3ecea;
  --brand: #0066ff;
  --brand-ink: #0047b3;
  --teal: #0f7b6c;
  --amber: #b7791f;
  --rose: #b42318;
  --slate: #475569;
  --shadow: 0 18px 50px rgba(11, 31, 42, 0.08);
  --radius: 18px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --live: #12b886;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(0, 102, 255, 0.12), transparent 55%),
    radial-gradient(900px 420px at 95% 0%, rgba(15, 123, 108, 0.12), transparent 50%),
    linear-gradient(180deg, #f7faf9 0%, var(--bg) 40%, var(--bg-deep) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230b1f2a' fill-opacity='0.035'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index: 0;
}

a {
  color: var(--brand);
  text-underline-offset: 3px;
}

button,
select,
input {
  font: inherit;
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1480px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 4rem;
}

.topbar {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.4fr 1fr;
  align-items: stretch;
  margin-bottom: 1.25rem;
}

.hero,
.panel {
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border: 1px solid color-mix(in srgb, var(--line) 80%, white);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
}

.hero {
  padding: 1.4rem 1.5rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.18), transparent 70%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 0.7rem;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: rgba(0, 102, 255, 0.08);
  color: var(--brand-ink);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.live-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 0 rgba(18, 184, 134, 0.7);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 10px rgba(18, 184, 134, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(18, 184, 134, 0);
  }
}

.hero h1 {
  margin: 0;
  max-width: 16ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 3rem);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.hero p {
  margin: 0.85rem 0 0;
  max-width: 54ch;
  color: var(--muted);
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  padding: 1rem;
}

.stat {
  padding: 0.95rem 1rem;
  border-radius: 14px;
  background: linear-gradient(180deg, #fff, #f4f8f7);
  border: 1px solid var(--line);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
  margin: 0 0 1rem;
  padding: 0.95rem 1rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.field {
  display: grid;
  gap: 0.35rem;
  min-width: 140px;
}

.field label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.field select,
.field input,
.tool-btn {
  min-height: 42px;
  border: 1px solid #b9cbd1;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  padding: 0.55rem 0.75rem;
}

.field input {
  min-width: 220px;
}

.tool-btn {
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.15s ease, background 0.15s ease;
}

.tool-btn:hover {
  background: #eef6ff;
  transform: translateY(-1px);
}

.tool-btn.primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.tool-btn.primary:hover {
  background: var(--brand-ink);
}

.tabs {
  display: inline-flex;
  gap: 0.35rem;
  padding: 0.3rem;
  border-radius: 12px;
  background: #e7eef0;
}

.tab {
  border: 0;
  background: transparent;
  border-radius: 9px;
  padding: 0.55rem 0.9rem;
  font-weight: 700;
  color: var(--ink-soft);
  cursor: pointer;
}

.tab[aria-selected="true"] {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 4px 14px rgba(11, 31, 42, 0.08);
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 40;
  display: none;
  max-width: min(360px, calc(100vw - 2rem));
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow);
}

.toast.show {
  display: block;
  animation: rise 0.25s ease;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.board {
  display: grid;
  grid-template-columns: repeat(4, minmax(240px, 1fr));
  gap: 0.9rem;
  align-items: start;
}

.column {
  min-height: 420px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  overflow: hidden;
}

.column.drag-over {
  outline: 2px dashed var(--brand);
  outline-offset: -4px;
  background: rgba(0, 102, 255, 0.05);
}

.column-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fff, #f5f9f8);
}

.column-head h2 {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.column-count {
  min-width: 1.7rem;
  height: 1.7rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  background: #e8f0ef;
  color: var(--ink-soft);
}

.column[data-status="implemented"] .column-count {
  background: #d8f3ec;
  color: var(--teal);
}

.column[data-status="partial"] .column-count {
  background: #fff1d6;
  color: var(--amber);
}

.column[data-status="not_found"] .column-count {
  background: #fde2e0;
  color: var(--rose);
}

.column[data-status="unverified"] .column-count {
  background: #e7ebf2;
  color: var(--slate);
}

.column-body {
  display: grid;
  gap: 0.7rem;
  padding: 0.75rem;
  min-height: 320px;
}

.card {
  position: relative;
  display: grid;
  gap: 0.65rem;
  padding: 0.9rem;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 8px 22px rgba(11, 31, 42, 0.04);
  cursor: grab;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  animation: cardIn 0.35s ease both;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(11, 31, 42, 0.08);
}

.card:active {
  cursor: grabbing;
}

.card.confirmed {
  border-color: color-mix(in srgb, var(--teal) 45%, var(--line));
  background: linear-gradient(180deg, #fff, #f3fbf8);
}

.card.dragging {
  opacity: 0.45;
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: start;
}

.card-id {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  justify-content: flex-end;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.15rem 0.45rem;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.badge.P0 {
  background: #fde2e0;
  color: var(--rose);
}

.badge.P1 {
  background: #fff1d6;
  color: var(--amber);
}

.badge.P2 {
  background: #d9f1ee;
  color: var(--teal);
}

.badge.P3 {
  background: #e7ebf2;
  color: var(--slate);
}

.badge.side {
  background: #e8f0ff;
  color: var(--brand-ink);
}

.badge.verified {
  background: #d8f3ec;
  color: var(--teal);
}

.card h3 {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.card details {
  border-top: 1px solid #e8eef0;
  padding-top: 0.55rem;
}

.card summary {
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.card details[open] summary {
  margin-bottom: 0.45rem;
}

.confirm-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.35rem;
  border-top: 1px solid #e8eef0;
}

.confirm-row span {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.switch {
  position: relative;
  width: 46px;
  height: 28px;
  flex: 0 0 auto;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
  z-index: 2;
}

.switch .track {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: #c9d5da;
  transition: background 0.2s ease;
}

.switch .thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(11, 31, 42, 0.2);
  transition: transform 0.2s ease;
}

.switch input:checked + .track {
  background: var(--teal);
}

.switch input:checked + .track .thumb {
  transform: translateX(18px);
}

.switch input:focus-visible + .track {
  outline: 3px solid rgba(0, 102, 255, 0.35);
  outline-offset: 2px;
}

.report,
.legend {
  display: none;
  margin-top: 1rem;
}

.report.active,
.legend.active {
  display: block;
}

.report-grid {
  display: grid;
  gap: 1rem;
}

.report article,
.legend article {
  padding: 1.35rem 1.4rem;
}

.report h2,
.legend h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}

.report h3 {
  margin: 1.2rem 0 0.45rem;
  font-size: 1.05rem;
}

.report ol,
.report ul {
  margin: 0.4rem 0 0;
  padding-left: 1.2rem;
}

.report li + li,
.legend li + li {
  margin-top: 0.4rem;
}

.priority-note {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.9rem;
}

.priority-note div {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 0.7rem;
  align-items: start;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  background: #f6faf9;
  border: 1px solid var(--line);
}

.empty {
  padding: 1.2rem 0.8rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
  border: 1px dashed #c7d5da;
  border-radius: 12px;
}

.footer-note {
  margin-top: 1.2rem;
  color: var(--muted);
  font-size: 0.8rem;
}

@media (max-width: 1100px) {
  .topbar {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .shell {
    width: min(100% - 1rem, 1480px);
  }

  .board {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
  }

  .field input {
    min-width: 0;
    width: 100%;
  }

  .toolbar {
    align-items: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}