:root {
  --bg0: #0c1210;
  --bg1: #15201c;
  --ink: #e8f0eb;
  --muted: #9bb0a4;
  --line: rgba(232, 240, 235, 0.12);
  --accent: #3ecf8e;
  --accent-2: #c4f042;
  --danger: #ff6b6b;
  --panel: rgba(18, 28, 24, 0.82);
  --radius: 18px;
  --font: "DM Sans", sans-serif;
  --display: "Syne", sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg0);
  line-height: 1.45;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(62, 207, 142, 0.22), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(196, 240, 66, 0.12), transparent 50%),
    linear-gradient(165deg, var(--bg0), var(--bg1) 45%, #0a100e);
}

.shell {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.hero {
  margin-bottom: 1.75rem;
}

.brand {
  margin: 0 0 0.65rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(1.85rem, 5vw, 2.75rem);
  letter-spacing: -0.03em;
  color: var(--accent-2);
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  letter-spacing: -0.02em;
}

.lede {
  margin: 0.55rem 0 0;
  color: var(--muted);
  max-width: 36rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  padding: 1.35rem;
  margin-bottom: 1.25rem;
}

.scan-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 180px;
  margin-bottom: 1rem;
  overflow: hidden;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(62, 207, 142, 0.08), transparent 50%),
    rgba(0, 0, 0, 0.25);
}

.ring {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 2px solid rgba(62, 207, 142, 0.35);
  opacity: 0.5;
}

.scan-visual[data-state="scanning"] .ring {
  animation: pulse 1.6s ease-out infinite;
  border-color: var(--accent);
  opacity: 1;
}

.scan-visual[data-state="success"] .ring {
  border-color: var(--accent-2);
  opacity: 1;
  transform: scale(1.08);
  transition: transform 0.35s ease, border-color 0.35s ease;
}

.scan-visual[data-state="error"] .ring {
  border-color: var(--danger);
  opacity: 1;
}

.chip {
  color: var(--accent);
  z-index: 1;
  transition: transform 0.35s ease, color 0.35s ease;
}

.scan-visual[data-state="scanning"] .chip {
  animation: bob 1.2s ease-in-out infinite;
  color: var(--accent-2);
}

.scan-visual[data-state="success"] .chip {
  color: var(--accent-2);
  transform: scale(1.08);
}

.scan-status {
  position: absolute;
  bottom: 1rem;
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
  z-index: 1;
}

.actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.hint {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.diag {
  margin: 0.75rem 0 0;
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.35);
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.tips {
  margin: 0.85rem 0 0;
  padding-left: 1.15rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.tips li {
  margin-bottom: 0.35rem;
}

.tips strong {
  color: var(--ink);
  font-weight: 600;
}

.warn-box {
  margin: 0.85rem 0 0;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 180, 80, 0.35);
  background: rgba(255, 160, 40, 0.08);
}

.warn-box strong {
  display: block;
  margin-bottom: 0.35rem;
  color: #ffc46b;
  font-family: var(--display);
}

.warn-box p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.form {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.field {
  margin-bottom: 0.85rem;
}

.field label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.field input {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.28);
  color: var(--ink);
  font: inherit;
}

.field input:focus {
  outline: 2px solid rgba(62, 207, 142, 0.45);
  outline-offset: 1px;
}

.field input[readonly] {
  color: var(--accent-2);
  letter-spacing: 0.04em;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn:not(:disabled):hover {
  transform: translateY(-1px);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), #2aa86f);
  color: #06140e;
}

.btn.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn.small {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
}

.btn.danger {
  background: transparent;
  border-color: rgba(255, 107, 107, 0.4);
  color: var(--danger);
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
}

.form-msg {
  min-height: 1.25rem;
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  color: var(--accent);
}

.form-msg.error {
  color: var(--danger);
}

.list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.list-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.15rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 0.7rem 0.55rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

td.uid {
  font-family: ui-monospace, monospace;
  color: var(--accent-2);
  white-space: nowrap;
}

.empty {
  color: var(--muted);
  text-align: center !important;
  padding: 1.5rem !important;
}

.nav-links {
  margin: 0.85rem 0 0;
}

.nav-links a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.nav-links a:hover {
  text-decoration: underline;
}

.transfer-panel h2 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 1.15rem;
}

.transfer-lede {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.transfer-lede code {
  font-size: 0.8rem;
  color: var(--accent-2);
}

a.btn {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.file-btn {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.verify-result {
  margin-top: 1.25rem;
  padding: 1.1rem 1.2rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.28);
}

.verify-result.ok {
  border-color: rgba(62, 207, 142, 0.55);
}

.verify-result.deny {
  border-color: rgba(255, 107, 107, 0.55);
}

.verify-badge {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.2rem;
}

.verify-result.ok .verify-badge { color: var(--accent); }
.verify-result.deny .verify-badge { color: var(--danger); }

.verify-uid {
  margin: 0 0 0.85rem;
  font-family: ui-monospace, monospace;
  color: var(--accent-2);
}

.verify-meta {
  margin: 0;
  display: grid;
  gap: 0.55rem;
}

.verify-meta div {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.5rem;
  font-size: 0.92rem;
}

.verify-meta dt {
  margin: 0;
  color: var(--muted);
}

.verify-meta dd {
  margin: 0;
}

@keyframes pulse {
  0% { transform: scale(0.85); opacity: 0.9; }
  100% { transform: scale(1.45); opacity: 0; }
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@media (max-width: 700px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .shell {
    width: min(100% - 1.25rem, 960px);
    padding-top: 1.5rem;
  }
}