/* Walkthrough */
.wk { max-width: 860px; margin-inline: auto; padding: 28px 16px 140px; }
@media (min-width: 720px) { .wk { padding: 40px 32px 120px; } }

.route { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; margin-bottom: 32px; }
.route li { display: grid; gap: 6px; min-width: 0; }
.route .bar { height: 6px; border-radius: 1px; border: 1px dashed var(--rule-strong); }
.route .lbl { font-size: var(--fs-xs); font-stretch: var(--narrow); color: var(--steel); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.route li.done .bar { background: var(--accent); border: 1px solid var(--accent); opacity: .55; }
.route li.now .bar { background: var(--accent); border: 1px solid var(--accent); }
.route li.now .lbl { color: var(--ink); font-weight: 650; }
@media (max-width: 559px) { .route .lbl { display: none; } .route li.now .lbl { display: block; overflow: visible; } }

.panel { display: grid; gap: 28px; }
.panel[hidden] { display: none; }
.q { display: grid; gap: 14px; }
.q > h2 { font-size: clamp(1.625rem, 1.3rem + 1.2vw, 2.25rem); }
.q > p.help { color: var(--steel); max-width: 56ch; margin-top: -4px; }
.q h3 { font-size: 1.0625rem; }

.choices { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr)); gap: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.choice, .chip {
  display: flex; align-items: center; gap: 10px; min-height: 48px; padding: 10px 14px; text-align: left; cursor: pointer;
  border: 1px solid var(--rule-strong); border-radius: var(--radius); background: var(--card); font-weight: 550; line-height: 1.25;
}
.chip { min-height: 40px; padding: 8px 12px; font-size: var(--fs-sm); }
.choice:hover, .chip:hover { border-color: var(--ink); }
.choice[aria-pressed="true"], .chip[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* System rows */
.sys { display: grid; border-top: 1px solid var(--rule); }
.sys-row { display: grid; gap: 10px; padding: 16px 0; border-bottom: 1px solid var(--rule); }
@media (min-width: 720px) { .sys-row { grid-template-columns: minmax(0, 1fr) auto; align-items: center; column-gap: 24px; } }
.sys-name { font-weight: 650; }
.sys-what { font-size: var(--fs-sm); color: var(--steel); line-height: 1.45; }
.seg { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
@media (min-width: 720px) { .seg { grid-template-columns: repeat(3, 8.25rem); } }
.seg button {
  min-height: 44px; padding: 6px 8px; cursor: pointer; font-size: var(--fs-sm); font-weight: 600; line-height: 1.15;
  border-radius: var(--radius); border: 1px solid var(--rule); background: var(--card); color: var(--steel);
}
.seg button:hover { border-color: var(--rule-strong); color: var(--ink); }
.seg button[data-v="works"][aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.seg button[data-v="messy"][aria-pressed="true"] {
  color: var(--ink); border-color: var(--accent);
  background: repeating-linear-gradient(135deg, color-mix(in srgb, var(--accent) 22%, transparent) 0 2px, transparent 2px 8px), var(--card);
}
.seg button[data-v="missing"][aria-pressed="true"] { color: var(--ink); border: 1.5px dashed var(--accent); background: transparent; }
.used { grid-column: 1 / -1; display: grid; gap: 8px; padding: 4px 0 2px; }
.used[hidden] { display: none; }
.used p { font-size: var(--fs-xs); color: var(--steel); }
.used .chip { min-height: 34px; padding: 5px 10px; font-size: var(--fs-xs); }
.used input { max-width: 260px; }

/* Inputs */
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: var(--fs-sm); }
.field .opt { font-weight: 450; color: var(--steel); }
input[type="text"], input[type="email"], input[type="tel"], input[type="url"], select, textarea {
  width: 100%; min-height: 48px; padding: 10px 12px; border: 1px solid var(--rule-strong); border-radius: var(--radius); background: var(--card);
}
textarea { min-height: 110px; resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.fields { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
@media (min-width: 640px) { .fields { grid-template-columns: repeat(2, minmax(0, 1fr)); } .fields .full { grid-column: 1 / -1; } }
.check { display: flex; gap: 12px; align-items: flex-start; padding: 14px; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--card); cursor: pointer; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--accent); flex: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Needs */
.needs { display: grid; gap: 12px; }
.need { border: 1px solid var(--rule); border-radius: var(--radius); background: var(--card); padding: 16px; display: grid; gap: 12px; }
.need-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 16px; }
.why { font-size: var(--fs-xs); color: var(--steel); font-stretch: var(--narrow); font-weight: 600; }
.why b { color: var(--ink); font-weight: 650; }
.opts { display: grid; gap: 6px; }
.opt-row { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 10px; align-items: start; padding: 10px 12px; border: 1px solid var(--rule); border-radius: var(--radius); cursor: pointer; }
.opt-row:hover { border-color: var(--rule-strong); }
.opt-row input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--accent); }
.opt-row:has(input:checked) { border-color: var(--accent); box-shadow: inset 3px 0 0 var(--accent); }
.opt-name { font-weight: 600; line-height: 1.3; }
.opt-note { display: block; font-size: var(--fs-sm); color: var(--steel); line-height: 1.45; }
.mypick { display: inline-block; margin-left: 6px; font-size: var(--fs-xs); font-weight: 650; color: var(--accent); }
.opt-row.skip .opt-name { font-weight: 500; color: var(--steel); }

/* Path picker */
.pick-paths { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
@media (min-width: 720px) { .pick-paths { grid-template-columns: repeat(3, minmax(0, 1fr)); } .pick-paths.four { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.pp { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 18px 16px 16px; cursor: pointer; border: 1px solid var(--rule-strong); border-radius: var(--radius); background: var(--card); text-align: left; }
.pp:hover { border-color: var(--ink); }
.pp[aria-pressed="true"] { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent), inset 0 4px 0 var(--accent); }
.pp .pp-name { font-weight: 700; font-size: 1.0625rem; }
.pp .pp-price { font-weight: 750; font-stretch: var(--wide); font-size: 1.25rem; font-variant-numeric: tabular-nums; line-height: 1.2; }
.pp .pp-sub { font-size: var(--fs-sm); color: var(--steel); line-height: 1.45; }
.pp .pp-tag { font-size: var(--fs-xs); font-weight: 650; color: var(--accent); }

.summary { border: 1px solid var(--rule-strong); border-radius: var(--radius); background: var(--card); padding: 16px 18px; display: grid; gap: 10px; font-size: var(--fs-sm); }
.summary h3 { font-size: 1rem; }
.summary dl { display: grid; grid-template-columns: minmax(0, 9rem) minmax(0, 1fr); gap: 6px 14px; }
.summary dt { color: var(--steel); }
.summary dd { min-width: 0; overflow-wrap: anywhere; }
.alert { padding: 14px 16px; border-radius: var(--radius); background: var(--warn-bg); color: var(--warn-ink); font-size: var(--fs-sm); }
.err-text { color: var(--err); font-size: var(--fs-sm); font-weight: 600; }

/* Bottom bar */
.navbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 10; background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(6px); border-top: 1px solid var(--rule); padding-bottom: env(safe-area-inset-bottom, 0px); }
.navbar .in { max-width: 860px; margin-inline: auto; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
@media (min-width: 720px) { .navbar .in { padding-inline: 32px; } }
.navbar .stepnote { font-size: var(--fs-sm); color: var(--steel); }
.navbar .btns { display: flex; gap: 10px; }

.done { display: grid; gap: 20px; }
.done ol { display: grid; gap: 10px; counter-reset: n; }
.done ol li { position: relative; padding-left: 34px; counter-increment: n; }
.done ol li::before { content: counter(n); position: absolute; left: 0; top: 0; width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--accent); color: var(--accent); display: grid; place-items: center; font-size: var(--fs-xs); font-weight: 700; }
.ref-note { margin-bottom: 24px; padding: 12px 14px; border: 1px dashed var(--accent); border-radius: var(--radius); font-size: var(--fs-sm); }

@media print {
  .top, .navbar, .route, .no-print { display: none !important; }
  .wk { padding: 0; }
}