/* Sprayers 101 Drone Productivity Calculator */
.s101-calc, .s101-calc * { box-sizing: border-box; }
.s101-calc { --blue:#2369b5; --blue-dark:#174a80; --blue-pale:#eff6ff; --grey:#9a9b9c; --ink:#0f172a; --text:#334155; --muted:#64748b; --border:#cbd5e1; --page:#f5f7fa; --white:#fff; --amber:#f59e0b; --green:#15803d; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color:var(--ink); background:var(--page); border:1px solid #e2e8f0; border-radius:22px; overflow:hidden; line-height:1.45; }
.s101-header { padding:28px; background:linear-gradient(135deg,#fff 0%,#f8fafc 58%,#eff6ff 100%); border-bottom:1px solid #e2e8f0; }
.s101-header-inner { max-width:1240px; margin:auto; display:flex; gap:28px; align-items:flex-end; justify-content:space-between; }
.s101-brand { min-width:0; flex:1; }
.s101-logo { width:min(520px,100%); height:auto; display:block; }
.s101-title-wrap { margin-top:20px; border-left:4px solid var(--blue); padding-left:16px; }
.s101-eyebrow { margin:0; color:var(--blue); font-size:12px; font-weight:800; letter-spacing:.18em; text-transform:uppercase; }
.s101-title { margin:4px 0 0; font-size:clamp(28px,4vw,42px); line-height:1.08; letter-spacing:-.035em; }
.s101-subtitle { margin:9px 0 0; max-width:720px; color:var(--muted); }
.s101-header-actions { display:flex; gap:10px; flex-wrap:wrap; }
.s101-btn, .s101-select { min-height:44px; border-radius:12px; border:1px solid var(--border); padding:0 15px; font:inherit; font-weight:650; background:#fff; color:var(--text); }
.s101-btn { cursor:pointer; display:inline-flex; align-items:center; justify-content:center; gap:8px; }
.s101-btn:hover { border-color:var(--blue); color:var(--blue); background:var(--blue-pale); }
.s101-btn-primary { color:#fff; background:var(--blue); border-color:var(--blue); }
.s101-btn-primary:hover { background:var(--blue-dark); color:#fff; }
.s101-body { max-width:1240px; margin:auto; padding:24px; display:grid; grid-template-columns:minmax(320px,.9fr) minmax(420px,1.25fr); gap:22px; align-items:start; }
.s101-inputs, .s101-results { display:grid; gap:18px; }
.s101-results { position:sticky; top:18px; }
.s101-card { background:#fff; border:1px solid #e2e8f0; border-radius:20px; box-shadow:0 8px 25px rgba(15,23,42,.05); overflow:hidden; }
.s101-card-head { padding:17px 18px; border-bottom:1px solid #eef2f7; display:flex; align-items:center; justify-content:space-between; gap:14px; }
.s101-card-head h2, .s101-card-head h3 { margin:0; font-size:19px; }
.s101-step { display:block; color:var(--blue); font-size:11px; font-weight:800; letter-spacing:.16em; text-transform:uppercase; margin-bottom:3px; }
.s101-card-body { padding:18px; }
.s101-grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:15px; }
.s101-field label { display:block; color:var(--text); font-size:13px; font-weight:650; margin-bottom:6px; }
.s101-input-wrap { position:relative; }
.s101-field input { width:100%; min-height:42px; border:1px solid #dbe2ea; border-radius:11px; padding:8px 78px 8px 12px; font:inherit; font-weight:700; color:var(--ink); background:#fff; }
.s101-field input:focus, .s101-select:focus, .s101-toggle:focus-visible, .s101-btn:focus-visible { outline:3px solid rgba(35,105,181,.22); outline-offset:2px; border-color:var(--blue); }
.s101-unit { position:absolute; right:11px; top:50%; transform:translateY(-50%); color:#64748b; font-size:12px; font-weight:650; pointer-events:none; }
.s101-toggle-panel { margin-top:17px; padding:15px; border:1px solid #fde68a; background:#fffbeb; border-radius:15px; display:flex; gap:15px; justify-content:space-between; align-items:flex-start; transition:.2s; }
.s101-toggle-panel[data-halts="false"] { border-color:#bfdbfe; background:#eff6ff; }
.s101-toggle-copy strong { display:block; }
.s101-toggle-copy p { color:var(--muted); font-size:13px; margin:5px 0 0; }
.s101-switch { display:flex; gap:6px; padding:4px; border-radius:12px; background:#fff; border:1px solid #e2e8f0; flex:0 0 auto; }
.s101-toggle { border:0; border-radius:9px; padding:7px 11px; background:transparent; color:var(--muted); font-weight:800; cursor:pointer; }
.s101-toggle[aria-pressed="true"] { background:var(--amber); color:#fff; }
.s101-toggle[data-value="no"][aria-pressed="true"] { background:var(--blue); }
.s101-checks { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-top:14px; }
.s101-check { border:1px solid #e2e8f0; border-radius:13px; padding:12px; display:flex; align-items:center; gap:9px; color:var(--text); font-size:13px; font-weight:650; }
.s101-advanced summary, .s101-operation-details summary { cursor:pointer; padding:17px 18px; font-weight:750; list-style:none; display:flex; align-items:center; justify-content:space-between; gap:14px; }
.s101-advanced summary::-webkit-details-marker, .s101-operation-details summary::-webkit-details-marker { display:none; }
.s101-advanced summary::after, .s101-operation-details summary::after { content:""; width:0; height:0; border-top:6px solid transparent; border-bottom:6px solid transparent; border-left:8px solid #64748b; flex:0 0 auto; transition:transform .2s ease; }
.s101-advanced[open] summary::after, .s101-operation-details[open] summary::after { transform:rotate(90deg); }
.s101-advanced[open] summary, .s101-operation-details[open] summary { border-bottom:1px solid #eef2f7; }
.s101-advanced-inner { padding:18px; }
.s101-hero { color:#fff; background:linear-gradient(135deg,#0f172a,#172554); border:none; padding:24px; }
.s101-hero-top { display:flex; justify-content:space-between; gap:18px; align-items:flex-start; }
.s101-hero-label { color:#93c5fd; font-size:11px; text-transform:uppercase; letter-spacing:.16em; font-weight:850; }
.s101-hero-value { margin-top:6px; font-size:54px; font-weight:850; letter-spacing:-.055em; line-height:1; }
.s101-hero-unit { color:#cbd5e1; font-size:13px; margin-top:5px; }
.s101-total { background:rgba(255,255,255,.1); border-radius:14px; padding:12px 14px; text-align:right; }
.s101-total span { display:block; color:#94a3b8; font-size:10px; text-transform:uppercase; letter-spacing:.12em; }
.s101-total strong { display:block; margin-top:3px; font-size:20px; }
.s101-progress { margin-top:21px; height:8px; background:rgba(255,255,255,.12); border-radius:999px; overflow:hidden; }
.s101-progress > span { display:block; height:100%; background:linear-gradient(90deg,var(--blue),#60a5fa); border-radius:inherit; }
.s101-progress-label { display:flex; justify-content:space-between; color:#94a3b8; font-size:11px; margin-top:7px; }
.s101-kpis { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }
.s101-kpi { padding:15px; border:1px solid #e2e8f0; background:#fff; border-radius:16px; }
.s101-kpi span { display:block; color:#64748b; font-size:10px; font-weight:800; letter-spacing:.11em; text-transform:uppercase; }
.s101-kpi strong { display:block; margin-top:5px; font-size:24px; }
.s101-kpi small { color:#64748b; }
.s101-charts { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.s101-chart-box { min-height:320px; }
.s101-chart-title { margin:0 0 12px; font-size:17px; }
.s101-donut-wrap { display:grid; place-items:center; position:relative; min-height:210px; }
.s101-donut { width:190px; height:190px; position:relative; }
.s101-donut svg { width:100%; height:100%; display:block; overflow:visible; transform:rotate(-90deg); }
.s101-donut-segment { fill:none; stroke-width:34; cursor:pointer; transition:opacity .15s ease, stroke-width .15s ease; }
.s101-donut:hover .s101-donut-segment { opacity:.55; }
.s101-donut .s101-donut-segment:hover, .s101-donut .s101-donut-segment:focus { opacity:1; stroke-width:39; outline:none; }
.s101-chart-tooltip { position:absolute; z-index:5; pointer-events:none; opacity:0; transform:translate(-50%,-115%); min-width:150px; padding:9px 11px; border:1px solid #dbe2ea; border-radius:11px; background:#fff; box-shadow:0 10px 28px rgba(15,23,42,.16); color:#334155; font-size:11px; text-align:left; transition:opacity .1s ease; }
.s101-chart-tooltip.visible { opacity:1; }
.s101-chart-tooltip strong { display:block; color:#0f172a; font-size:12px; margin-bottom:2px; }
.s101-chart-tooltip span { display:block; color:#64748b; }
.s101-donut-centre { position:absolute; z-index:2; text-align:center; }
.s101-donut-centre strong { display:block; font-size:25px; }
.s101-donut-centre span { color:#64748b; font-size:11px; }
.s101-legend { display:grid; grid-template-columns:1fr 1fr; gap:7px 10px; font-size:11px; color:#475569; }
.s101-legend-item { display:flex; gap:7px; align-items:center; min-width:0; }
.s101-dot { width:9px; height:9px; border-radius:50%; flex:0 0 auto; }
.s101-bars { display:grid; gap:16px; margin:25px 0; }
.s101-bar-label { display:flex; justify-content:space-between; font-size:12px; color:#475569; margin-bottom:5px; }
.s101-bar-track { height:16px; border-radius:99px; background:#eef2f7; overflow:hidden; }
.s101-bar { height:100%; border-radius:inherit; min-width:2px; }
.s101-insight { padding:14px; border-radius:14px; background:#eff6ff; color:#334155; font-size:13px; }
.s101-insight.warn { background:#fffbeb; }
.s101-insight strong { display:block; color:#0f172a; }
.s101-details-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:10px; }
.s101-detail { padding:12px; background:#f8fafc; border-radius:12px; }
.s101-detail span { display:block; color:#64748b; font-size:11px; }
.s101-detail strong { display:block; margin-top:3px; font-size:14px; }
.s101-download { padding:16px; display:flex; align-items:center; justify-content:space-between; gap:14px; }
.s101-download p { margin:0; color:#64748b; font-size:12px; }
.s101-footer { padding:0 24px 22px; text-align:center; color:#64748b; font-size:11px; }
.s101-error { display:none; margin:0 18px 18px; padding:12px; border-radius:12px; color:#991b1b; background:#fef2f2; border:1px solid #fecaca; font-size:13px; }
@media (max-width: 900px) { .s101-body { grid-template-columns:1fr; } .s101-results { position:static; } .s101-header-inner { align-items:flex-start; flex-direction:column; } }
@media (max-width: 650px) { .s101-header,.s101-body { padding:17px; } .s101-grid-2,.s101-charts,.s101-checks { grid-template-columns:1fr; } .s101-kpis { grid-template-columns:1fr; } .s101-details-grid { grid-template-columns:1fr 1fr; } .s101-hero-top { flex-direction:column; } .s101-total { text-align:left; } .s101-download { align-items:stretch; flex-direction:column; } }
@media print { .s101-header-actions,.s101-inputs,.s101-download .s101-btn { display:none!important; } .s101-body { grid-template-columns:1fr; } .s101-results { position:static; } .s101-calc { border:0; } }

/* v1.0.2 layout refinements */
.s101-operational-choices { grid-template-columns:1fr; margin-top:14px; }
.s101-retrieval-choice { justify-content:space-between; background:#fff; border-color:#e2e8f0; }
.s101-choice-label { color:#334155; font-size:13px; font-weight:650; }
.s101-retrieval-choice .s101-switch { padding:2px; border-radius:9px; }
.s101-retrieval-choice .s101-toggle { padding:4px 9px; font-size:12px; border-radius:7px; }
.s101-retrieval-choice .s101-toggle[aria-pressed="true"] { background:#2369b5; color:#fff; }
.s101-visually-hidden { position:absolute!important; width:1px!important; height:1px!important; padding:0!important; margin:-1px!important; overflow:hidden!important; clip:rect(0,0,0,0)!important; white-space:nowrap!important; border:0!important; }
.s101-step-three .s101-advanced-toggle { margin-bottom:15px; }

.s101-bar-label strong { white-space:nowrap; }

/* v1.0.5 semantic step icons */
.s101-step-icon { width:42px; height:42px; flex:0 0 42px; display:grid; place-items:center; border-radius:13px; color:#2369b5; background:#eff6ff; border:1px solid #dbeafe; }
.s101-step-icon svg { width:23px; height:23px; fill:none; stroke:currentColor; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.s101-step-icon svg rect, .s101-step-icon svg path, .s101-step-icon svg circle { vector-effect:non-scaling-stroke; }

/* v1.0.6 header simplification */
.s101-title-wrap .s101-title { margin-top:0; }

/* v1.0.7 numeric input spacing and spinner fix */
.s101-field input[type="number"] { padding-right:72px; appearance:textfield; -moz-appearance:textfield; }
.s101-field input[type="number"]::-webkit-inner-spin-button,
.s101-field input[type="number"]::-webkit-outer-spin-button { -webkit-appearance:none; appearance:none; margin:0; }
.s101-field .s101-unit { right:12px; max-width:58px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; text-align:right; }