:root {
    color-scheme: dark;
    --bg: #071018;
    --panel: #101c27;
    --panel-2: #172635;
    --line: rgba(255,255,255,.12);
    --muted: #9fb0bf;
    --text: #f6f8fa;
    --accent: #14b8a6;
    --accent-2: #2563eb;
    --danger: #dc2626;
    --warning: #f59e0b;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 15% 0, #123144 0, var(--bg) 34rem); color: var(--text); }
a { color: #76d9d0; }
button, input, textarea, select { font: inherit; }

.site-header {
    position: sticky; top: 0; z-index: 50; min-height: 66px; padding: 10px max(18px, calc((100vw - 1500px)/2));
    display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px;
    background: rgba(7,16,24,.92); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 850; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 11px; background: linear-gradient(145deg,var(--accent),var(--accent-2)); font-size: .8rem; }
nav { display: flex; gap: 4px; padding: 4px; border-radius: 12px; background: rgba(255,255,255,.04); }
nav a { padding: 8px 12px; border-radius: 9px; color: var(--muted); text-decoration: none; }
nav a.active, nav a:hover { background: var(--panel-2); color: var(--text); }
.editor-actions { justify-self: end; display: flex; align-items: center; gap: 8px; }

.page-shell { width: min(1500px, calc(100% - 28px)); margin: 28px auto 70px; }
.hero { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 20px; }
.hero h1 { margin: 0 0 6px; font-size: clamp(1.8rem,4vw,3rem); }
.hero p { margin: 0; color: var(--muted); max-width: 760px; line-height: 1.6; }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.button { border: 1px solid var(--line); border-radius: 10px; padding: 9px 14px; background: var(--panel-2); color: var(--text); cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 7px; }
.button:hover { filter: brightness(1.15); }
.button.primary { background: var(--accent); color: #031514; border-color: transparent; font-weight: 800; }
.button.danger { background: var(--danger); border-color: transparent; }
.button.ghost { background: transparent; }
.button.small { padding: 6px 9px; font-size: .82rem; }
.status-pill { padding: 5px 9px; border-radius: 999px; background: rgba(148,163,184,.14); color: var(--muted); font-size: .78rem; }
.status-pill.editor { background: rgba(20,184,166,.18); color: #7ce7dd; }

.production-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(300px,1fr)); gap: 16px; }
.card { border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(145deg,rgba(23,38,53,.95),rgba(12,24,34,.96)); box-shadow: 0 16px 45px rgba(0,0,0,.22); }
.production-card { padding: 17px; display: flex; min-height: 230px; flex-direction: column; gap: 12px; }
.card-head { display: flex; gap: 12px; align-items: center; }
.symbol { flex: 0 0 auto; width: 45px; height: 45px; display: grid; place-items: center; border-radius: 13px; background: hsl(var(--hue,175) 55% 26%); color: hsl(var(--hue,175) 80% 82%); font-weight: 900; }
.card h2,.card h3 { margin: 0; }
.production-card p { color: var(--muted); margin: 0; line-height: 1.5; min-height: 3em; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { padding: 5px 8px; border-radius: 8px; background: rgba(255,255,255,.07); font-size: .78rem; }
.card-footer { margin-top: auto; display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: .8rem; }
.empty-state,.loading-panel { padding: 44px; border: 1px dashed var(--line); border-radius: 16px; text-align: center; color: var(--muted); }

.detail-layout { display: grid; grid-template-columns: minmax(0,1fr) 360px; gap: 18px; }
.detail-main,.detail-side { display: flex; flex-direction: column; gap: 16px; }
.panel { padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: rgba(16,28,39,.94); }
.panel h2,.panel h3 { margin-top: 0; }
.metric-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(130px,1fr)); gap: 10px; }
.metric { padding: 12px; border-radius: 11px; background: rgba(255,255,255,.05); }
.metric strong,.metric span { display: block; }
.metric span { color: var(--muted); font-size: .78rem; margin-bottom: 4px; }
.flow-graph { display: grid; gap: 10px; }
.result-resources { margin: 16px 0; }
.result-resources h3 { margin-bottom: 4px; }
.flow-node { padding: 11px; border-left: 4px solid hsl(var(--hue) 65% 50%); background: rgba(255,255,255,.045); border-radius: 7px 11px 11px 7px; }
.flow-node small { color: var(--muted); }
.production-graph { margin-top: 16px; overflow: hidden; border: 1px solid var(--line); border-radius: 13px; background: #253b4d; }
.graph-toolbar { min-height: 40px; padding: 6px 9px 6px 13px; display: flex; justify-content: space-between; align-items: center; gap: 10px; background: rgba(5,15,23,.65); color: #b8c8d6; font-size: .78rem; }
.production-graph svg { display: block; width: 100%; height: min(68vh, 720px); min-height: 440px; cursor: grab; touch-action: none; user-select: none; }
.production-graph svg:active { cursor: grabbing; }
.graph-edge path { fill: none; stroke: #7890a4; stroke-width: 1.4; opacity: .82; }
.graph-edge text { fill: #e5edf4; font-size: 12px; text-anchor: middle; paint-order: stroke; stroke: #253b4d; stroke-width: 4px; stroke-linejoin: round; }
.graph-edge marker path { fill: #7890a4; stroke: none; }
.graph-node rect { fill: #536779; stroke: rgba(255,255,255,.16); stroke-width: 1; }
.graph-node.recipe rect { fill: #df6510; }
.graph-node.recipe.alternate rect { fill: #e9690c; stroke: #ffb15c; }
.graph-node { cursor: move; }
.graph-node:hover rect,
.graph-node.is-dragging rect { stroke: white; stroke-width: 2.5; filter: brightness(1.12); }
.graph-node.product rect { fill: #439b43; }
.graph-node .node-title { fill: white; font-size: 13px; font-weight: 800; }
.graph-node .node-subtitle { fill: rgba(255,255,255,.9); font-size: 11px; }
.data-list { display: grid; gap: 7px; }
.data-row { display: flex; justify-content: space-between; gap: 15px; padding: 7px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
.data-row span:last-child { text-align: right; color: #d9e4ec; }

.recipe-controls { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; margin-bottom: 14px; }
.text-input, textarea, select { width: 100%; padding: 10px 11px; border: 1px solid var(--line); border-radius: 9px; background: #09141e; color: var(--text); }
.recipe-list { display: grid; gap: 8px; }
.recipe { display: grid; grid-template-columns: auto minmax(180px,1fr) 1fr auto; align-items: center; gap: 12px; padding: 11px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,255,255,.035); }
.recipe.alt { border-left: 4px solid var(--warning); }
.recipe-meta { color: var(--muted); font-size: .82rem; }
.recipe-io { font-size: .82rem; color: #d4dee7; }
.toggle { appearance: none; width: 38px; height: 22px; border-radius: 999px; background: #425160; position: relative; cursor: pointer; }
.toggle::after { content:""; position:absolute; top:3px; left:3px; width:16px; height:16px; border-radius:50%; background:white; transition:.15s; }
.toggle:checked { background: var(--accent); }
.toggle:checked::after { transform: translateX(16px); }

.editor-form { display: grid; gap: 16px; }
.panel summary { cursor: pointer; }
.panel summary + .recipe-meta { margin-top: 12px; }
.config-list { display: grid; gap: 7px; margin-top: 12px; max-height: 420px; overflow: auto; }
.config-row { display: grid; grid-template-columns: minmax(180px,1fr) minmax(150px,220px) auto; align-items: center; gap: 12px; padding: 9px 10px; border-radius: 9px; background: rgba(255,255,255,.04); }
.config-row label { margin: 0; }
.config-row small { color: var(--muted); }
.config-toggle { grid-template-columns: 1fr auto; cursor: pointer; color: var(--text); }
.inline-toggle { grid-template-columns: auto auto; align-items: center; color: var(--text); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
label { display: grid; gap: 6px; color: var(--muted); font-size: .88rem; }
.rows { display: grid; gap: 8px; }
.edit-row { display: grid; grid-template-columns: minmax(180px,1fr) 140px auto; gap: 8px; align-items: end; }
.notice { padding: 11px 13px; border-radius: 10px; background: rgba(37,99,235,.16); color: #bfdbfe; }
.notice.warning { background: rgba(245,158,11,.15); color: #fde68a; }
.form-error { color: #fca5a5; }

dialog { border: 1px solid var(--line); border-radius: 16px; padding: 0; background: var(--panel); color: var(--text); width: min(460px,calc(100% - 28px)); }
dialog::backdrop { background: rgba(0,0,0,.72); backdrop-filter: blur(4px); }
.dialog-card { padding: 22px; display: grid; gap: 14px; position: relative; }
.dialog-card h2,.dialog-card p { margin: 0; }
.dialog-card p { color: var(--muted); line-height: 1.5; }
.dialog-close { position: absolute; right: 12px; top: 10px; border:0; background:transparent; color:var(--muted); font-size:1.5rem; cursor:pointer; }
.dialog-actions { display:flex; justify-content:flex-end; gap:8px; }

footer { padding: 26px; text-align: center; color: var(--muted); border-top: 1px solid var(--line); font-size: .8rem; }

@media (max-width: 850px) {
    .site-header { grid-template-columns: 1fr auto; }
    nav { grid-column: 1/-1; grid-row: 2; justify-content: center; }
    .detail-layout { grid-template-columns: 1fr; }
    .hero { align-items: stretch; flex-direction: column; }
    .recipe { grid-template-columns: auto 1fr auto; }
    .recipe-io { grid-column: 2/-1; }
}
@media (max-width: 560px) {
    .brand span:last-child,.status-pill { display:none; }
    .page-shell { width: min(100% - 18px,1500px); margin-top: 18px; }
    .form-grid,.recipe-controls { grid-template-columns:1fr; }
    .edit-row { grid-template-columns:1fr 110px; }
    .edit-row button { grid-column:1/-1; }
    .config-row { grid-template-columns: 1fr; }
    .config-toggle { grid-template-columns: 1fr auto; }
}