*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #1e1e1e;
  --bg-card: #2a2a2a;
  --bg-elevated: #333333;
  --bg-panel: #242424;
  --border: rgba(255,255,255,0.08);
  --text: #f0f0f0;
  --text-dim: rgba(240,240,240,0.62);
  --text-faint: rgba(240,240,240,0.38);
  --accent: #ed1c24;
  --accent-dim: #c41018;
  --green: #1ecb54;
  --yellow: #edc91c;
  --blue: #2aa8ff;
  --cyan: #28d7c4;
  --orange: #ff9f2a;
  --radius: 10px;
  --gap: 14px;
}

html, body {
  width: 100%;
  min-height: 100%;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}

button, input, select { font: inherit; }
button { cursor: pointer; }

#header {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.logo-img { width: auto; height: 34px; }
#header h1 { font-size: 23px; line-height: 1; letter-spacing: 0; }
.subtitle { display: block; margin-top: 4px; color: var(--text-dim); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 13px;
  font-size: 12px;
  font-weight: 650;
}
.badge-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--text-faint); }
.badge.ok .badge-dot { background: var(--green); box-shadow: 0 0 8px rgba(30,203,84,.65); }
.badge-label { color: var(--text-dim); }

#main {
  display: grid;
  grid-template-columns: minmax(300px, 370px) minmax(420px, 1fr) minmax(300px, 370px);
  grid-template-rows: auto auto;
  gap: var(--gap);
  padding: var(--gap);
}

#input-panel { grid-column: 1; grid-row: 1; }
#visual-panel { grid-column: 2; grid-row: 1; min-width: 0; }
#result-panel { grid-column: 3; grid-row: 1; display: flex; flex-direction: column; gap: var(--gap); min-width: 0; }
#recipe-panel { grid-column: 1 / span 3; grid-row: 2; min-width: 0; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  overflow: hidden;
}

.card h2 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-dim);
  margin-bottom: 11px;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.card-head h2 { margin-bottom: 0; }
.card-actions { display: flex; gap: 8px; }

.section-gap { margin-top: 18px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.form-grid label, .select-field {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  min-width: 0;
}

label span, .select-field span {
  color: var(--text-faint);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

label em {
  color: var(--text-faint);
  font-size: 11px;
  font-style: normal;
}

input, select {
  width: 100%;
  min-width: 0;
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 10px;
  outline: none;
}

input:focus, select:focus {
  border-color: rgba(237,28,36,.75);
  box-shadow: 0 0 0 3px rgba(237,28,36,.12);
}

.control-grid {
  display: grid;
  gap: 10px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 9px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 10px;
}

.toggle input { width: 17px; height: 17px; accent-color: var(--accent); }
.toggle span { color: var(--text); font-size: 13px; letter-spacing: 0; text-transform: none; font-weight: 650; }

.primary-btn, .link-btn {
  border: 0;
  border-radius: 999px;
  color: #fff;
  font-weight: 750;
  transition: transform .1s, background .15s, box-shadow .15s;
}

.primary-btn {
  background: var(--accent);
  padding: 9px 16px;
  font-size: 13px;
}
.primary-btn:hover { background: var(--accent-dim); box-shadow: 0 5px 16px rgba(237,28,36,.35); }
.primary-btn:active, .link-btn:active { transform: scale(.97); }
.primary-btn.full { width: 100%; margin-top: 14px; padding: 11px 16px; }

.link-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 5px 11px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .7px;
}
.link-btn:hover { color: var(--text); border-color: var(--accent); background: rgba(237,28,36,.08); }

.segmented {
  display: flex;
  gap: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
}
.segmented button {
  min-width: 46px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text-dim);
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 750;
}
.segmented button.active { background: var(--accent); color: #fff; }

.visual-card { display: flex; flex-direction: column; }
.canvas-wrap {
  width: 100%;
  aspect-ratio: 1.32 / 1;
  min-height: 380px;
  background: #141414;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
canvas { width: 100%; height: 100%; display: block; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 14px;
  margin-top: 10px;
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 650;
}
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.legend .main { background: var(--blue); }
.legend .side { background: var(--green); }
.legend .lath { background: var(--yellow); }
.legend .core { background: var(--orange); }
.legend .waste { background: #595959; }

.decision-card { text-align: center; }
.yield-score {
  display: grid;
  place-items: center;
  margin: 4px auto 13px;
  width: 148px;
  height: 148px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, var(--bg-card) 58%, transparent 59%),
    conic-gradient(var(--green) var(--yield, 0deg), var(--bg-elevated) 0);
  border: 1px solid var(--border);
}
.yield-score span { font-size: 34px; font-weight: 850; line-height: 1; }
.yield-score small { margin-top: -18px; color: var(--text-faint); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; }

.kv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  text-align: left;
}
.kv {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  min-width: 0;
}
.kv span { display: block; color: var(--text-faint); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .9px; }
.kv b { display: block; margin-top: 3px; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.assortment-list, .variant-list {
  display: grid;
  gap: 7px;
}
.assortment-item, .variant-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
}
.assortment-item strong, .variant-item strong { font-size: 13px; }
.assortment-item span, .variant-item span { color: var(--text-dim); font-size: 12px; }
.assortment-text {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 7px;
  align-items: baseline;
  min-width: 0;
}
.assortment-text strong,
.assortment-text span {
  overflow-wrap: anywhere;
}
.assortment-item i {
  width: 9px;
  height: 28px;
  border-radius: 999px;
  display: block;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}
table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  font-size: 13px;
}
thead th {
  position: sticky;
  top: 0;
  background: var(--bg-card);
  color: var(--text-dim);
  text-align: left;
  font-size: 10px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: .8px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
tbody td {
  padding: 7px 10px;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
tbody tr:nth-child(even) { background: rgba(255,255,255,.018); }
tbody input, tbody select { padding: 7px 8px; }
tbody input[type="checkbox"] { width: 17px; height: 17px; accent-color: var(--accent); }
.remove-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font-weight: 800;
}
.remove-btn:hover { color: #fff; border-color: var(--accent); background: rgba(237,28,36,.1); }

@media (max-width: 1180px) {
  #main { grid-template-columns: minmax(300px, 380px) minmax(420px, 1fr); }
  #input-panel { grid-column: 1; grid-row: 1; }
  #visual-panel { grid-column: 2; grid-row: 1; }
  #result-panel { grid-column: 1 / span 2; grid-row: 2; display: grid; grid-template-columns: repeat(3, 1fr); }
  #recipe-panel { grid-column: 1 / span 2; grid-row: 3; }
}

@media (max-width: 860px) {
  #header { height: auto; align-items: flex-start; }
  .header-right .badge { display: none; }
  #main { grid-template-columns: 1fr; }
  #input-panel, #visual-panel, #result-panel, #recipe-panel { grid-column: 1; }
  #input-panel { grid-row: 1; }
  #visual-panel { grid-row: 2; }
  #result-panel { grid-row: 3; display: flex; }
  #recipe-panel { grid-row: 4; }
  .canvas-wrap { min-height: 310px; }
}

@media (max-width: 560px) {
  #header { padding: 10px 12px; }
  #main { padding: 10px; gap: 10px; }
  .card { padding: 12px; }
  .form-grid, .kv-grid { grid-template-columns: 1fr; }
  .subtitle { white-space: normal; }
  .header-right { align-self: stretch; }
  .header-right .primary-btn { width: 100%; }
}