.hvacb-booking{--hb-accent:#1d4ed8;--hb-ink:#1f2937;--hb-muted:#6b7280;--hb-line:#e5e7eb;--hb-bg:#fff;--hb-soft:#f9fafb;--hb-danger:#b42318;
	max-width:760px;margin:0 auto;padding:16px;color:var(--hb-ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.hvacb-booking *{box-sizing:border-box}

/* Progress: a thin fill-in bar, not numbered steps. Its width reflects only the blocks that currently
   apply, so a block that is skipped (e.g. no service address needed) never leaves a visible gap. */
.hvacb-booking .hb-progress{height:4px;background:var(--hb-line);border-radius:999px;margin:0 0 16px;overflow:hidden}
.hvacb-booking .hb-progress-fill{height:100%;background:var(--hb-accent);border-radius:999px;transition:width .25s ease}

/* Summary / cart card: always visible once the sheet is open, not one of the gated blocks. */
.hvacb-booking .hb-summary{border:1px solid var(--hb-line);border-radius:14px;padding:14px 16px;margin-bottom:16px;background:var(--hb-soft)}
.hvacb-booking .hb-summary-head{display:flex;justify-content:space-between;align-items:center;font-size:15px}
.hvacb-booking .hb-cart-items{list-style:none;margin:10px 0 0;padding:0}
.hvacb-booking .hb-cart-item{display:flex;gap:12px;align-items:center;padding:8px 0;border-top:1px solid var(--hb-line)}
.hvacb-booking .hb-cart-item:first-child{border-top:0}
.hvacb-booking .hb-cart-item-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.hvacb-booking .hb-qty{display:inline-flex;align-items:center;gap:10px}
.hvacb-booking .hb-qty button{width:30px;height:30px;border-radius:50%;border:1px solid var(--hb-line);background:#fff;font-size:17px;cursor:pointer;line-height:1}

/* Blocks: each answer reveals the next one; a block stays on screen (and editable) once it applies. */
.hvacb-booking .hb-block{margin:0 0 22px}
.hvacb-booking .hb-block-head{margin:0 0 10px}
.hvacb-booking .hb-block-title{margin:0;font-size:17px;font-weight:700}
.hvacb-booking .hb-block-sub{margin:2px 0 0;font-size:13.5px;color:var(--hb-muted)}

/* Choice cards: location, visit type. */
.hvacb-booking .hb-choice{display:grid;gap:10px}
.hvacb-booking .hb-choice-card{position:relative;display:flex;align-items:center;gap:12px;border:1px solid var(--hb-line);border-radius:14px;padding:14px;cursor:pointer;background:#fff}
.hvacb-booking .hb-choice-card input{position:absolute;opacity:0;width:1px;height:1px}
.hvacb-booking .hb-choice-card.is-on{border-color:var(--hb-accent);background:#eef2ff}
.hvacb-booking .hb-choice-ico{font-size:22px;line-height:1;flex:none}
.hvacb-booking .hb-choice-text{display:flex;flex-direction:column;gap:2px;flex:1}
.hvacb-booking .hb-choice-title{font-weight:600}
.hvacb-booking .hb-choice-desc{font-size:13px;color:var(--hb-muted)}
.hvacb-booking .hb-choice-check{opacity:0;color:var(--hb-accent);font-weight:700}
.hvacb-booking .hb-choice-card.is-on .hb-choice-check{opacity:1}

/* Fields shared by the address and details blocks. */
.hvacb-booking .hb-field{display:block;margin:0 0 14px;font-weight:600}
.hvacb-booking .hb-field input,.hvacb-booking .hb-field select{display:block;width:100%;margin-top:6px;padding:11px 12px;border:1px solid #cbd5e1;border-radius:10px;font:inherit;font-weight:400;background:#fff}
.hvacb-booking .hb-check{display:flex;align-items:flex-start;gap:8px;font-weight:400;font-size:14px;margin:0 0 14px}

/* Staff & time. */
.hvacb-booking .hb-slots{display:flex;flex-wrap:wrap;gap:8px}
.hvacb-booking .hb-slot{padding:10px 14px;border:1px solid var(--hb-line);border-radius:10px;background:#fff;cursor:pointer;font:inherit;min-width:76px}
.hvacb-booking .hb-slot.is-on{background:var(--hb-accent);color:#fff;border-color:var(--hb-accent)}

/* OTP and the staff-entry customer-match card. */
.hvacb-booking .hb-otp{background:var(--hb-soft);border:1px solid var(--hb-line);border-radius:10px;padding:12px;margin-bottom:14px}
.hvacb-booking .hb-match-card{background:#eef6ff;border:1px solid #bfdbfe;border-radius:8px;padding:8px 12px;margin:8px 0;display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* Plans and review. */
.hvacb-booking .hb-plans{display:grid;gap:8px;margin:10px 0}
.hvacb-booking .hb-plan{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1px solid var(--hb-line);border-radius:12px;cursor:pointer}
.hvacb-booking .hb-plan.is-on{border-color:var(--hb-accent);background:#eef2ff}
.hvacb-booking .hb-plan span{display:flex;flex-direction:column;gap:2px}
.hvacb-booking .hb-plan small{color:var(--hb-muted)}
.hvacb-booking .hb-row{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--hb-line)}
.hvacb-booking .hb-total{border-bottom:0;font-size:18px}
.hvacb-booking .hb-note{background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:8px 12px}

/* Buttons, feedback, done state. */
.hvacb-booking .hb-btn{background:var(--hb-accent);color:#fff;border:0;border-radius:10px;padding:12px 20px;font-size:16px;font-weight:600;cursor:pointer;min-height:44px}
.hvacb-booking .hb-btn-sm{padding:6px 14px;min-height:36px;font-size:14px}
.hvacb-booking .hb-btn-submit{display:block;width:100%;margin-top:14px}
.hvacb-booking .hb-btn[disabled]{opacity:.45;cursor:not-allowed}
.hvacb-booking button:focus-visible,.hvacb-booking input:focus-visible,.hvacb-booking select:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}
.hvacb-booking .hb-muted{color:var(--hb-muted);font-size:14px}
.hvacb-booking .hb-error{color:var(--hb-danger);font-weight:600}
.hvacb-booking .hb-done{text-align:center;padding:40px 12px}
@media (prefers-reduced-motion:no-preference){.hvacb-booking .hb-btn,.hvacb-booking .hb-slot,.hvacb-booking .hb-choice-card{transition:background .15s,border-color .15s}}

/* Booking sheet: slides over the storefront when the cart bar is opened. */
.hb-sheet{position:fixed;inset:0;z-index:100000;display:flex;align-items:flex-end;justify-content:center}
.hb-sheet[hidden]{display:none}
.hb-sheet-scrim{position:absolute;inset:0;background:rgba(15,23,42,.5)}
.hb-sheet-panel{position:relative;width:100%;max-width:640px;max-height:92vh;overflow-y:auto;background:var(--hvx-surface,#fff);color:var(--hvx-ink,#1f2937);border-radius:22px 22px 0 0;padding:20px 16px 28px;box-shadow:0 -12px 40px rgba(0,0,0,.25);-webkit-overflow-scrolling:touch}
.hb-sheet-x{position:absolute;top:10px;right:12px;width:36px;height:36px;border:0;border-radius:50%;background:var(--hvx-soft,#f3f4f6);color:inherit;font-size:20px;line-height:1;cursor:pointer}
.hb-sheet .hvacb-booking{max-width:none;margin:0;padding:0}
@media (min-width:768px){.hb-sheet{align-items:center}.hb-sheet-panel{border-radius:22px;padding:28px 24px}}
@media (max-width:520px){.hvacb-booking .hb-block-title{font-size:16px}}