:root {
    --bg: #0f172a;
    --panel: #111827;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --accent: #22c55e;
    --warn: #f59e0b;
    --danger: #ef4444;
    --border: #374151;
    --input: #1f2937;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Noto Sans, Arial, Apple Color Emoji, Segoe UI Emoji;
    background: linear-gradient(180deg,#0b1220,#0f172a 35%,#0b1220);
    color: var(--text);
}
.container {
    max-width: 960px;
    margin: 32px auto;
    padding: 0 16px;
}
.card {
    background: rgba(17,24,39,.7);
    backdrop-filter: blur(6px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,.35);
}
h1 { margin: 0 0 12px; font-size: 22px; }
.row {
    display: grid;
    grid-template-columns: 1.2fr .8fr 1fr .9fr .9fr auto;
    gap: 10px;
    align-items: center;
    padding: 10px;
    border: 1px dashed transparent;
    border-radius: 10px;
}
.row.header {
    font-weight: 600;
    color: var(--muted);
    padding: 6px 10px;
}
.row.item {
    background: rgba(31,41,55,.55);
    border-color: rgba(55,65,81,.6);
}
.row.item:hover {
    background: rgba(31,41,55,.7);
}
input[type="text"], input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    background: var(--input);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    outline: none;
}
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 16px 0 8px;
}
button {
    background: var(--accent);
    color: #052e16;
    border: none;
    padding: 10px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
}
button.secondary {
    background: #334155;
    color: #d1d5db;
}
button.danger {
    background: var(--danger);
    color: #fff;
}
.note { color: var(--muted); font-size: 13px; }
.warn { color: var(--warn); font-weight: 600; }
.total-line {
    display: flex;
    gap: 12px;
    align-items: center;
    margin: 12px 0 16px;
}
.total-line input {
    max-width: 220px;
    font-weight: 700;
}
.summary {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 8px;
    color: var(--muted);
    font-size: 14px;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #1f2937;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 10px;
    color: #cbd5e1;
}
.right {
    text-align: right;
    font-variant-numeric: tabular-nums;
}
.foot {
    margin-top: 16px;
    color: var(--muted);
    font-size: 13px;
}
@media (max-width: 860px) {
    .row { grid-template-columns: 1fr .7fr 1fr .9fr .9fr auto; }
}
@media (max-width: 680px) {
    .row.header { display: none; }
    .row { grid-template-columns: 1fr 1fr; grid-auto-rows: auto; }
    .row.item > * { margin: 2px 0; }
    .row.item .right { text-align: left; }
}