:root {
  --bg: #0b1020;
  --panel: #151c33;
  --panel-2: #1b2340;
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #22c55e;
  --accent-2: #16a34a;
  --line: #334155;
  --danger: #ef4444;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #1d2a52, var(--bg) 60%);
}

.app {
  width: min(480px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 16px 12px 24px;
}

h1 {
  margin: 0;
  font-size: 1.7rem;
}

.sub {
  margin: 4px 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.tab-btn {
  width: 100%;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0f172a;
  color: var(--muted);
  font: inherit;
  font-weight: 700;
}

.tab-btn.active {
  color: var(--text);
  border-color: #64748b;
  background: #1e293b;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.card {
  background: linear-gradient(145deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 12px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

h2 {
  margin: 0;
  font-size: 1.05rem;
}

label {
  display: block;
  margin: 10px 2px 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

select,
input,
button {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0f172a;
  color: var(--text);
  padding: 11px;
  font: inherit;
  font-size: 16px;
}

textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0f172a;
  color: var(--text);
  padding: 11px;
  font: inherit;
  margin-bottom: 8px;
  resize: vertical;
}

select,
input {
  margin-bottom: 8px;
}

#push-btn {
  border: 0;
  margin-top: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight: 700;
}

#push-btn:disabled {
  opacity: 0.7;
}

.ghost {
  width: auto;
  padding: 6px 10px;
  font-size: 0.85rem;
}

.list {
  display: grid;
  gap: 8px;
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  background: rgba(15, 23, 42, 0.45);
}

.inline-row {
  display: flex;
  gap: 8px;
}

.inline-row > * {
  flex: 1;
}

.inline-row input {
  margin: 0;
}

.small-actions {
  display: flex;
  gap: 6px;
}

.small-actions .ghost {
  padding: 5px 8px;
  font-size: 0.8rem;
}

.staged-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.staged-row input[type="checkbox"] {
  width: auto;
}

.staged-row button {
  width: auto;
}

.meta {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 2px;
}

.delete-btn {
  width: auto;
  border-color: #7f1d1d;
  background: #3f1118;
  color: #fecaca;
  padding: 6px 10px;
}

.empty {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 8px 2px;
}

#status {
  min-height: 1.2em;
  margin: 10px 2px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

.share-link {
  display: block;
  margin-top: 10px;
  color: #86efac;
  word-break: break-all;
  text-decoration: underline;
}

.qr-wrap {
  margin-top: 10px;
  display: grid;
  justify-content: center;
}

.qr-wrap img {
  width: min(260px, 100%);
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #ffffff;
  padding: 8px;
}