/* ADU Stack lot checker. Scoped to .adu-stack. Colors are variables: the landing page switches them to its dark theme. */
.adu-stack {
	--adu-ink: #1b2733;
	--adu-ink-2: #56636f;
	--adu-rule: #d3dbd4;
	--adu-panel: #ffffff;
	--adu-panel-2: #f3f6f2;
	--adu-input: #ffffff;
	--adu-accent: #2f5d8c;
	--adu-accent-soft: rgba(47, 93, 140, 0.1);
	--adu-btn: #1b2733;
	--adu-btn-ink: #ffffff;
	--adu-lot: #dce8d1;
	--adu-lot-line: #7fa36b;
	--adu-bld: #c7cfd6;
	--adu-bld-line: #7c8894;
	--adu-env: #d9a820;
	--adu-env-fill: rgba(224, 178, 50, 0.2);
	--adu-sel: #2f5d8c;
	--adu-sel-fill: rgba(47, 93, 140, 0.24);
	--adu-ok: #2f6b3a; --adu-ok-bg: #e1efdd;
	--adu-tight: #7d5200; --adu-tight-bg: #f8ecc8;
	--adu-no: #8c2f24; --adu-no-bg: #f6e0dc;
	--adu-shadow: 0 8px 24px rgba(27, 39, 51, 0.12);
	--adu-radius: 12px;
	color: var(--adu-ink);
	line-height: 1.55;
	max-width: 1180px;
	margin: 0 auto;
}
.adu-stack *, .adu-stack *::before, .adu-stack *::after { box-sizing: border-box; }
.adu-stack h2, .adu-stack h3, .adu-stack h4 { color: var(--adu-ink); margin: 0; line-height: 1.15; letter-spacing: -0.01em; }
.adu-stack p { margin: 0; }
.adu-stack .adu-title { font-size: clamp(30px, 4.6vw, 50px); max-width: 16ch; }
.adu-stack .adu-lede { color: var(--adu-ink-2); max-width: 60ch; margin-top: 12px; }
.adu-stack .adu-hint { color: var(--adu-ink-2); font-size: 14px; margin: 6px 0 12px; }
.adu-stack .adu-ico { width: 18px; height: 18px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.adu-stack input, .adu-stack select, .adu-stack textarea {
	font: inherit; color: var(--adu-ink); background: var(--adu-input);
	border: 1px solid var(--adu-rule); border-radius: 8px; padding: 8px 10px; width: 100%; margin: 4px 0 0;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.adu-stack input:focus, .adu-stack select:focus, .adu-stack textarea:focus { outline: none; border-color: var(--adu-accent); box-shadow: 0 0 0 3px var(--adu-accent-soft); }
.adu-stack label { display: block; font-size: 14px; color: var(--adu-ink-2); margin-bottom: 10px; }
.adu-stack :focus-visible { outline: 2px solid var(--adu-accent); outline-offset: 2px; }

.adu-stack .adu-btn {
	font: inherit; font-weight: 600; border: 1px solid var(--adu-btn); background: var(--adu-btn); color: var(--adu-btn-ink);
	border-radius: 8px; padding: 12px 20px; cursor: pointer; white-space: nowrap; transition: filter 0.15s ease, transform 0.15s ease;
}
.adu-stack .adu-btn:hover { filter: brightness(1.08); }
.adu-stack .adu-btn:active { transform: translateY(1px); }
.adu-stack .adu-btn:disabled { opacity: 0.6; cursor: default; }
.adu-stack .adu-btn-ghost { background: transparent; color: var(--adu-ink); border-color: var(--adu-rule); padding: 8px 12px; font-weight: 500; font-size: 14px; display: inline-flex; gap: 8px; align-items: center; }

/* Search */
.adu-stack .adu-search { display: flex; gap: 10px; margin-top: 24px; max-width: 760px; }
.adu-stack .adu-combo { position: relative; flex: 1; min-width: 0; }
.adu-stack .adu-address { font-size: 18px; padding: 13px 16px; margin: 0; }
.adu-stack .adu-list {
	position: absolute; z-index: 20; left: 0; right: 0; top: calc(100% + 6px); margin: 0; padding: 4px; list-style: none;
	background: var(--adu-panel); border: 1px solid var(--adu-rule); border-radius: 10px; box-shadow: var(--adu-shadow);
}
.adu-stack .adu-list li { padding: 9px 12px; cursor: pointer; border-radius: 6px; font-size: 15px; }
.adu-stack .adu-list li[aria-selected="true"], .adu-stack .adu-list li:hover { background: var(--adu-accent-soft); }
.adu-stack .adu-err { color: var(--adu-no); font-size: 14px; margin-top: 8px; min-height: 1.2em; }
.adu-stack .adu-err.is-ok { color: var(--adu-ok); }

/* Progress while looking up */
.adu-stack .adu-steps { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 6px; }
.adu-stack .adu-steps li { position: relative; padding-left: 26px; color: var(--adu-ink-2); font-size: 14px; }
.adu-stack .adu-steps li::before { content: ""; position: absolute; left: 0; top: 3px; width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--adu-rule); }
.adu-stack .adu-steps li.is-done { color: var(--adu-ink); }
.adu-stack .adu-steps li.is-done::before { background: var(--adu-ok); border-color: var(--adu-ok); }
.adu-stack .adu-steps li.is-now { color: var(--adu-ink); font-weight: 600; }
.adu-stack .adu-steps li.is-now::before { border-color: var(--adu-accent); border-right-color: transparent; }

/* Panels */
.adu-stack .adu-panel { background: var(--adu-panel); border: 1px solid var(--adu-rule); border-radius: var(--adu-radius); padding: 18px; }
.adu-stack .adu-panel h4 { font-size: 17px; display: flex; align-items: center; gap: 8px; }
.adu-stack .adu-panel h4 .adu-ico { color: var(--adu-accent); }

/* Summary */
.adu-stack .adu-results:empty { display: none; }
.adu-stack .adu-summary { border-top: 1px solid var(--adu-rule); padding-top: 20px; margin-top: 8px; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px; }
.adu-stack .adu-addr { font-size: 26px; display: flex; align-items: center; gap: 10px; }
.adu-stack .adu-addr .adu-ico { width: 22px; height: 22px; color: var(--adu-accent); }
.adu-stack .adu-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.adu-stack .adu-chip { font-size: 13px; background: var(--adu-panel-2); border: 1px solid var(--adu-rule); border-radius: 999px; padding: 3px 10px; }
.adu-stack .adu-chip-k { color: var(--adu-ink-2); }
.adu-stack .adu-chip-flag { background: var(--adu-tight-bg); color: var(--adu-tight); border-color: transparent; }
.adu-stack .adu-notices { margin: 12px 0 0; padding-left: 18px; color: var(--adu-ink-2); font-size: 14px; width: 100%; }

/* Headline numbers */
.adu-stack .adu-metrics { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 20px; }
.adu-stack .adu-metric { background: var(--adu-panel); border: 1px solid var(--adu-rule); border-radius: var(--adu-radius); padding: 14px 16px; }
.adu-stack .adu-metric-k { display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--adu-ink-2); }
.adu-stack .adu-metric-k .adu-ico { width: 15px; height: 15px; color: var(--adu-accent); }
.adu-stack .adu-metric-v { display: block; font-size: 22px; font-weight: 600; margin-top: 6px; line-height: 1.15; }
.adu-stack .adu-metric-s { display: block; font-size: 13px; color: var(--adu-ink-2); margin-top: 2px; }

/* Layout */
.adu-stack .adu-grid { display: grid; grid-template-columns: minmax(260px, 340px) 1fr; gap: 20px; margin-top: 20px; }
.adu-stack .adu-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.adu-stack .adu-row-3 { grid-template-columns: 1fr 1fr 1fr; }
.adu-stack .adu-check { display: flex; gap: 8px; align-items: flex-start; color: var(--adu-ink); font-size: 15px; }
.adu-stack .adu-check input { width: auto; margin-top: 5px; accent-color: var(--adu-accent); }

/* Site plan */
.adu-stack .adu-plan { display: flex; flex-direction: column; }
.adu-stack .adu-plan-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 8px; }
.adu-stack .adu-canvas { border-radius: 10px; padding: 10px; flex: 1; display: flex; align-items: center; }
.adu-stack .adu-svg { display: block; width: 100%; height: auto; max-height: 500px; margin: 0 auto; }
.adu-stack .adu-lot { fill: var(--adu-lot); stroke: var(--adu-lot-line); stroke-width: 1.5; }
.adu-stack .adu-env { fill: var(--adu-env-fill); stroke: var(--adu-env); stroke-width: 1.5; stroke-dasharray: 6 4; }
.adu-stack .adu-bld { fill: var(--adu-bld); stroke: var(--adu-bld-line); stroke-width: 1.2; }
.adu-stack .adu-sel { fill: var(--adu-sel-fill); stroke: var(--adu-sel); stroke-width: 2.2; }
.adu-stack .adu-t { fill: var(--adu-ink); font-family: inherit; }
.adu-stack .adu-t-sel { fill: var(--adu-sel); font-weight: 600; }
.adu-stack .adu-t-muted { fill: var(--adu-ink-2); }
.adu-stack .adu-scale { stroke: var(--adu-ink-2); stroke-width: 2; }
.adu-stack .adu-legend { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 13px; color: var(--adu-ink-2); margin-top: 10px; }
.adu-stack .adu-sw { display: inline-block; width: 14px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }
.adu-stack .adu-sw-lot { background: var(--adu-lot); border: 1px solid var(--adu-lot-line); }
.adu-stack .adu-sw-bld { background: var(--adu-bld); border: 1px solid var(--adu-bld-line); }
.adu-stack .adu-sw-env { background: var(--adu-env-fill); border: 1px dashed var(--adu-env); }
.adu-stack .adu-sw-adu { background: var(--adu-sel-fill); border: 1px solid var(--adu-sel); }

/* Size slider */
.adu-stack .adu-size { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--adu-rule); }
.adu-stack .adu-size-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.adu-stack .adu-size-head label { margin: 0; font-weight: 600; color: var(--adu-ink); font-size: 15px; }
.adu-stack .adu-size output { font-size: 22px; font-weight: 600; color: var(--adu-accent); }
.adu-stack .adu-size input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; padding: 0; margin: 12px 0 6px; border: 0; border-radius: 999px; background: linear-gradient(to right, var(--adu-accent) var(--fill, 50%), var(--adu-rule) var(--fill, 50%)); box-shadow: none; }
.adu-stack .adu-size input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--adu-panel); border: 3px solid var(--adu-accent); cursor: grab; }
.adu-stack .adu-size input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--adu-panel); border: 3px solid var(--adu-accent); cursor: grab; }
.adu-stack .adu-size-scale { display: flex; justify-content: space-between; font-size: 12px; color: var(--adu-ink-2); }

/* Options */
.adu-stack .adu-options { margin-top: 32px; }
.adu-stack .adu-options h3 { font-size: 24px; }
.adu-stack .adu-opt-list { display: grid; gap: 10px; margin-top: 12px; }
.adu-stack .adu-opt {
	display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 6px 20px; align-items: start;
	padding: 16px 18px; border: 1px solid var(--adu-rule); border-radius: var(--adu-radius); background: var(--adu-panel); cursor: pointer;
}
.adu-stack .adu-opt.is-sel { border-color: var(--adu-accent); box-shadow: 0 0 0 1px var(--adu-accent), 0 10px 30px -12px var(--adu-accent-soft); }
.adu-stack .adu-opt.is-na { cursor: default; opacity: 0.6; }
.adu-stack .adu-opt h4 { font-size: 18px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.adu-stack .adu-why { font-size: 14px; color: var(--adu-ink-2); margin-top: 4px; max-width: 50ch; }
.adu-stack .adu-meta { font-size: 13px; color: var(--adu-accent); margin-top: 6px; }
.adu-stack .adu-detail { font-size: 13px; color: var(--adu-ink-2); margin: 8px 0 0; padding-left: 18px; }
.adu-stack .adu-stat b { display: block; font-size: 21px; line-height: 1.15; }
.adu-stack .adu-stat span { font-size: 13px; color: var(--adu-ink-2); }
.adu-stack .adu-badge { font-size: 12px; font-weight: 600; padding: 3px 8px; border-radius: 999px; }
.adu-stack .adu-b-ok { background: var(--adu-ok-bg); color: var(--adu-ok); }
.adu-stack .adu-b-tight { background: var(--adu-tight-bg); color: var(--adu-tight); }
.adu-stack .adu-b-no { background: var(--adu-no-bg); color: var(--adu-no); }

/* Payback, combine, rules */
.adu-stack .adu-three { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 20px; margin-top: 24px; }
.adu-stack .adu-three ul { margin: 10px 0 0; padding-left: 18px; font-size: 15px; }
.adu-stack .adu-three li { margin: 5px 0; }
.adu-stack .adu-note { color: var(--adu-tight); }
.adu-stack .adu-sources a { color: var(--adu-accent); }
.adu-stack .adu-payback > svg { display: block; width: 100%; height: auto; margin-top: 8px; }
.adu-stack .adu-pb-area { fill: var(--adu-accent-soft); }
.adu-stack .adu-pb-line { fill: none; stroke: var(--adu-accent); stroke-width: 2.5; }
.adu-stack .adu-pb-zero { stroke: var(--adu-ink-2); stroke-dasharray: 3 4; }
.adu-stack .adu-pb-grid { stroke: var(--adu-rule); }
.adu-stack .adu-pb-t { fill: var(--adu-ink-2); font-size: 11px; font-family: inherit; }
.adu-stack .adu-pb-dot { fill: var(--adu-accent); }
.adu-stack .adu-pb-big { font-size: 28px; font-weight: 600; margin-top: 6px; }
.adu-stack .adu-pb-big span { font-size: 14px; color: var(--adu-ink-2); font-weight: 400; }

.adu-stack .adu-assume { margin-top: 20px; }
.adu-stack .adu-assume summary { cursor: pointer; font-weight: 600; }
.adu-stack .adu-assume-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 8px 16px; margin-top: 12px; }

.adu-stack .adu-lead { margin-top: 28px; }
.adu-stack .adu-lead h3 { font-size: 22px; display: flex; align-items: center; gap: 10px; }
.adu-stack .adu-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.adu-stack .adu-fine { font-size: 13px; color: var(--adu-ink-2); margin-top: 20px; max-width: 80ch; }

/* Motion */
.adu-stack .adu-sel, .adu-stack .adu-env, .adu-stack .adu-t-sel { transition: opacity 0.25s ease; }
.adu-stack .adu-results.is-in { animation: adu-in 0.45s ease both; }
@keyframes adu-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes adu-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: no-preference) {
	.adu-stack .adu-sel, .adu-stack .adu-env { transition: x 0.35s cubic-bezier(.2,.7,.2,1), y 0.35s cubic-bezier(.2,.7,.2,1), width 0.35s cubic-bezier(.2,.7,.2,1), height 0.35s cubic-bezier(.2,.7,.2,1), opacity 0.25s ease; }
	.adu-stack .adu-t-sel { transition: transform 0.35s cubic-bezier(.2,.7,.2,1), opacity 0.25s ease; }
	.adu-stack .adu-steps li.is-now::before { animation: adu-spin 0.8s linear infinite; }
	.adu-stack .adu-opt { transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease; }
	.adu-stack .adu-opt:not(.is-na):hover { transform: translateY(-1px); }
}
@media (prefers-reduced-motion: reduce) { .adu-stack .adu-results.is-in { animation: none; } }

/* Responsive */
@media (max-width: 1000px) {
	.adu-stack .adu-metrics { grid-template-columns: repeat(3, 1fr); }
	.adu-stack .adu-three { grid-template-columns: 1fr 1fr; }
	.adu-stack .adu-payback { grid-column: 1 / -1; }
}
@media (max-width: 820px) {
	.adu-stack .adu-grid, .adu-stack .adu-three { grid-template-columns: 1fr; }
	.adu-stack .adu-row-3 { grid-template-columns: 1fr; }
	.adu-stack .adu-metrics { grid-template-columns: 1fr 1fr; }
	.adu-stack .adu-opt { grid-template-columns: 1fr 1fr; }
	.adu-stack .adu-opt-main { grid-column: 1 / -1; }
}
@media (max-width: 520px) { .adu-stack .adu-search { flex-direction: column; } }