:root {
  --bg: #0b0d10;
  --bg-2: #12161b;
  --bg-3: #1a2027;
  --line: #232a33;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #75e0a7;
  --accent-2: #58a6ff;
  --warn: #f0883e;
  --danger: #f85149;
  --shadow: 0 6px 24px rgba(0,0,0,.45);
  --radius: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #14252b 0%, var(--bg) 60%) fixed;
  color: var(--text);
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom);
}
a { color: var(--accent-2); }
h1,h2,h3 { margin: 0; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1rem; color: var(--muted); font-weight: 600; }
.section-title { margin: 24px 0 10px; text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; }

/* Topbar */
.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; flex-direction: column; gap: 12px;
  padding: 14px 16px 0;
  background: linear-gradient(180deg, rgba(11,13,16,.95), rgba(11,13,16,.78));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { font-size: 1.4rem; }
.brand .tag { margin: 0; font-size: .8rem; color: var(--muted); }
.logo { color: var(--accent); display: inline-flex; }

.tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 8px; }
.tab {
  flex: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: .9rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all .15s;
}
.tab.active { color: var(--text); background: var(--bg-3); border-color: var(--accent); box-shadow: 0 0 0 2px rgba(117,224,167,.12); }

main { max-width: 880px; margin: 0 auto; padding: 18px 16px 80px; }
.panel { display: none; animation: fadeIn .2s ease-out; }
.panel.active { display: block; }
@keyframes fadeIn { from { opacity:0; transform: translateY(4px);} to { opacity:1; transform:none;} }

.panel-head {
  display:flex; align-items: flex-start; justify-content: space-between; gap: 12px;
  margin-bottom: 14px;
}
.hint { color: var(--muted); margin: 4px 0 0; font-size: .85rem; }

.btn {
  background: var(--bg-3);
  color: var(--text);
  border: 1px solid var(--line);
  padding: 9px 14px; border-radius: 10px; cursor: pointer; font-size: .9rem;
  transition: transform .05s ease, background .15s, border-color .15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn:hover { background: #232a33; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(180deg, #2ea043, #238636); border-color: #2a8d3c; color: white; }
.btn.primary:hover { background: linear-gradient(180deg, #34b249, #2a8d3c);}
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); border-color: #5a2027; }
.btn.danger:hover { background: #2a1418; }
.button-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* Queue */
.queue-summary {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 14px;
}
.queue-summary .pill {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px; text-align: center;
}
.queue-summary .pill b { display: block; font-size: 1.3rem; }
.queue-summary .pill span { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }

.queue-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.queue-list.compact .item { opacity: .8; }
.item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  cursor: grab;
  transition: border-color .15s, transform .15s;
}
.item.dragging { opacity: .5; }
.item.drop-target { border-color: var(--accent); }
.item .swatch {
  width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--line);
  position: relative;
  flex: none;
}
.item .swatch::after {
  content: ""; position: absolute; inset: 0; border-radius: 8px;
  box-shadow: inset 0 -8px 12px rgba(0,0,0,.3);
}
.item .meta h4 { margin: 0 0 4px; font-size: 1rem; }
.item .meta .sub { color: var(--muted); font-size: .82rem; display: flex; gap: 10px; flex-wrap: wrap; }
.item .meta .sub .badge { background: var(--bg-3); padding: 2px 8px; border-radius: 999px; font-size: .72rem; }
.item .meta .sub .badge.high { background: #3b1d11; color: var(--warn); }
.item .meta .sub .badge.printing { background: #11283b; color: var(--accent-2); }
.item .meta .sub .badge.failed { background: #3b1117; color: var(--danger); }
.item .meta .sub .badge.done { background: #11331f; color: var(--accent); }
.item .actions { display: flex; gap: 6px; }
.item .iconbtn {
  background: transparent; border: 1px solid var(--line); border-radius: 8px;
  width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center;
  color: var(--muted); cursor: pointer; font-size: 1rem;
}
.item .iconbtn:hover { color: var(--text); border-color: var(--accent); }
.item .iconbtn.done:hover { color: var(--accent); }
.item .iconbtn.fail:hover { color: var(--danger); }
.item .iconbtn.del:hover { color: var(--danger); }

.empty { color: var(--muted); text-align: center; padding: 30px; border: 1px dashed var(--line); border-radius: var(--radius); }

/* Filament */
.filter-row { display: flex; gap: 8px; margin-bottom: 14px; }
.filter-row input, .filter-row select {
  background: var(--bg-2); color: var(--text); border: 1px solid var(--line);
  padding: 9px 12px; border-radius: 10px; font-size: .9rem; flex: 1;
}
.filter-row select { flex: 0 0 auto; min-width: 140px; }

.spool-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.spool {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px; position: relative; overflow: hidden;
  transition: border-color .15s;
}
.spool:hover { border-color: var(--accent); }
.spool .swatch-big {
  width: 60px; height: 60px; border-radius: 50%;
  border: 3px solid rgba(255,255,255,.1);
  margin-bottom: 12px;
  box-shadow: inset 0 -10px 20px rgba(0,0,0,.4), 0 4px 14px rgba(0,0,0,.4);
}
.spool h4 { margin: 0 0 6px; font-size: 1rem; }
.spool .meta { color: var(--muted); font-size: .82rem; }
.spool .bar {
  margin-top: 12px; height: 8px; background: var(--bg-3);
  border-radius: 4px; overflow: hidden;
}
.spool .bar > div {
  height: 100%; border-radius: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .3s;
}
.spool.low .bar > div { background: linear-gradient(90deg, var(--warn), var(--danger)); }
.spool .pct { font-size: .8rem; margin-top: 4px; color: var(--muted); display: flex; justify-content: space-between; }
.spool .row { display: flex; gap: 6px; margin-top: 12px; }
.spool .iconbtn {
  background: transparent; border: 1px solid var(--line); border-radius: 8px;
  padding: 5px 10px; color: var(--muted); cursor: pointer; font-size: .8rem;
}
.spool .iconbtn:hover { color: var(--text); border-color: var(--accent); }
.low-badge {
  position: absolute; top: 12px; right: 12px;
  background: var(--warn); color: black; padding: 2px 8px; border-radius: 999px;
  font-size: .7rem; font-weight: 700; text-transform: uppercase;
}

/* Stats */
.stats-grid {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  margin-bottom: 18px;
}
.stat {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px;
}
.stat .num { font-size: 1.6rem; font-weight: 700; }
.stat .label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; }
.chart-card { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; }
#weekly-chart { width: 100%; height: 180px; display: block; }

.leaderboard { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.leaderboard li {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px;
}
.leaderboard .swatch { width: 24px; height: 24px; border-radius: 6px; flex: none; }
.leaderboard .name { flex: 1; }
.leaderboard .v { color: var(--muted); font-variant-numeric: tabular-nums; }

.material-mix { display: flex; flex-direction: column; gap: 8px; }
.material-mix .row { display: flex; align-items: center; gap: 10px; }
.material-mix .label { width: 60px; font-size: .9rem; }
.material-mix .bar { flex: 1; background: var(--bg-2); height: 12px; border-radius: 6px; overflow: hidden; border: 1px solid var(--line); }
.material-mix .bar > div { height: 100%; background: linear-gradient(90deg, var(--accent-2), var(--accent)); }
.material-mix .v { width: 80px; text-align: right; color: var(--muted); font-size: .85rem; }

/* Cards */
.card {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin-bottom: 14px;
}
.card h3 { color: var(--text); margin-bottom: 10px; }
.card label { display: block; margin-bottom: 10px; color: var(--muted); font-size: .85rem; }
.card label input { display: block; margin-top: 4px; }
input[type="text"], input[type="number"], input[type="search"], input[type="color"], select, textarea {
  background: var(--bg-3); color: var(--text); border: 1px solid var(--line);
  padding: 8px 10px; border-radius: 8px; font-size: .95rem; width: 100%; font-family: inherit;
}
input[type="color"] { padding: 4px; height: 40px; }
textarea { resize: vertical; }

/* Modal */
.modal {
  border: none; border-radius: 16px; padding: 0;
  background: var(--bg-2); color: var(--text);
  max-width: 480px; width: calc(100vw - 32px);
  box-shadow: var(--shadow);
}
.modal::backdrop { background: rgba(0,0,0,.6); backdrop-filter: blur(4px); }
.modal form { padding: 18px 20px; }
.modal h3 { margin-bottom: 14px; color: var(--text); font-size: 1.1rem; font-weight: 600; }
.modal label { display: block; margin-bottom: 12px; font-size: .85rem; color: var(--muted); }
.modal label input, .modal label select, .modal label textarea { margin-top: 4px; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-actions {
  display: flex; gap: 8px; justify-content: flex-end; padding: 0; margin: 6px 0 0;
}

/* Toast */
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: var(--bg-3); color: var(--text); border: 1px solid var(--line);
  padding: 10px 18px; border-radius: 999px; box-shadow: var(--shadow);
  transition: transform .25s ease;
  font-size: .9rem;
  z-index: 100;
}
.toast.show { transform: translateX(-50%) translateY(0); }

@media (max-width: 540px) {
  .queue-summary { grid-template-columns: repeat(2, 1fr); }
  .panel-head { flex-direction: column; align-items: stretch; }
  .panel-head .btn.primary { width: 100%; justify-content: center; }
  .brand h1 { font-size: 1.2rem; }
}