*{box-sizing:border-box}
:root{
  --ink:#15213d;
  --muted:#66718c;
  --line:#dfe4ee;
  --panel:#f7f8fb;
  --blue:#2458f5;
  --coral:#ff666b;
  --teal:#009da5;
  --yellow:#f7c84b;
}
html,body{margin:0;padding:0;background:#fff;color:var(--ink);font-family:Arial,Helvetica,sans-serif}
body{font-size:16px}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
.page-shell{max-width:1450px;margin:0 auto;padding:24px 30px 70px}
.topbar{display:flex;justify-content:flex-end;padding:4px 0 20px}
.brand{font-weight:800;font-size:18px}
.catalog-wrap{max-width:1320px;margin:auto}
.category-strip{display:grid;grid-template-columns:repeat(7,1fr);gap:16px;background:#f6f7f9;padding:26px;border-radius:2px}
.category-card{height:122px;background:white;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;box-shadow:0 8px 22px rgba(16,28,55,.06);border:1px solid transparent;color:#52617d}
.category-card.active{border:1.5px solid var(--ink)}
.category-icon{font-size:26px}
.service-layout{display:grid;grid-template-columns:380px 1fr;gap:28px;margin-top:26px}
.service-sidebar{padding-left:8px}
.side-item{display:flex;justify-content:space-between;align-items:center;padding:18px 18px;border-bottom:1px solid var(--line);font-size:18px}
.side-item em{font-style:normal;color:#7f899f}
.side-item.active{background:#e9eaf0;font-weight:600;clip-path:polygon(0 0,93% 0,100% 50%,93% 100%,0 100%)}
.discount-dot{width:20px;height:20px;border:2px solid #05b5c1;color:#05b5c1;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}
.discount-dot.big{width:28px;height:28px;font-size:15px}
.services-panel{min-width:0}
.offpeak-note{color:#008f98;font-weight:700;font-size:18px;display:flex;gap:15px;align-items:center;padding:16px 0 20px;border-bottom:2px solid #19aeb5}
.service-row{display:grid;grid-template-columns:1fr 180px 92px;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.service-row h3{margin:0 0 12px;font-size:19px}
.service-meta{font-size:16px}
.link-button{border:0;background:none;font-weight:700;color:var(--ink);cursor:pointer}
.service-details{display:none;margin-top:10px;color:var(--muted);line-height:1.45}
.service-price{text-align:right;display:flex;flex-direction:column;gap:10px}
.service-price span{color:#008f98}
.outline-btn{border:2px solid var(--coral);color:var(--coral);padding:10px 14px;border-radius:4px;text-align:center;font-weight:700}

.booking-page{display:grid;grid-template-columns:minmax(0,1fr) 450px;gap:80px;max-width:1500px;margin:0 auto;padding:44px 48px}
.left-column{max-width:760px}
.back-link{font-size:20px;display:inline-flex;gap:12px;align-items:center;margin-bottom:34px}
h1{font-size:34px;margin:0 0 42px}
.staff-select select{width:430px;height:58px;border:1.5px solid var(--ink);padding:0 18px;border-radius:5px;font-weight:700;color:var(--ink);background:white}
.calendar-card{margin-top:30px;border:1px solid var(--line)}
.calendar-card h2{margin:0;padding:22px;font-size:24px}
.date-strip{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;padding:8px 16px 18px;border-bottom:1px solid var(--line)}
.date-pill{padding:10px 4px;text-align:center;border-radius:40px;color:#66718c}
.date-pill span{display:block;font-weight:700;font-size:14px;margin-bottom:8px}
.date-pill strong{font-size:26px}
.date-pill.active{color:var(--ink);background:#f0f2f7}
.slots-area{padding:40px;text-align:center;min-height:230px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.slots-area h3{font-size:23px;margin:0 0 8px}
.slots-area p{color:var(--muted)}
.slots-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;width:100%;margin-top:18px}
.slot-btn{border:1.5px solid var(--blue);color:var(--blue);padding:13px;border-radius:5px;font-weight:700}
.summary-card{border:1px solid var(--line);align-self:start;background:#fff;position:relative;padding:38px 42px;min-height:315px}
.summary-card .stripe{position:absolute;left:0;top:0;right:0;height:8px;background:linear-gradient(90deg,#30bdcb 0 55%,#ff7755 55% 73%,#f6c84a 73% 100%)}
.summary-card h2{text-align:center;margin:10px 0 55px}
.summary-service{display:flex;flex-direction:column;gap:10px;font-size:18px}
.summary-service strong{font-size:20px}
.add-treatment{display:block;color:var(--blue);font-weight:700;font-size:20px;margin-top:40px}
.sticky{position:sticky;top:30px}

.checkout-page{grid-template-columns:minmax(0,1fr) 500px}
.checkout-box{border:1px solid var(--line);padding:34px 30px;margin-bottom:28px}
.checkout-box h2{font-size:24px;margin:0 0 10px}
.checkout-box p{margin:0 0 26px}
.field{width:100%;height:68px;border:1px solid var(--line);border-radius:8px;padding:0 20px;margin:0 0 20px;font-size:20px;color:var(--ink)}
.payment-box{display:flex;justify-content:space-between;align-items:flex-start}
.secure-text{color:#438b1f;font-weight:700}
.alert{padding:12px 14px;background:#fff0f0;border:1px solid #ffb2b2;color:#9f2d2d;border-radius:5px;margin-bottom:18px}
.success-box{padding:45px}
.primary-btn{width:100%;border:0;background:var(--blue);color:#fff;padding:18px;border-radius:5px;font-weight:800;font-size:20px;cursor:pointer}
.primary-btn.inline{display:inline-block;width:auto;margin-top:15px}
.checkout-summary{padding:44px 35px 35px}
.checkout-summary h2{margin-bottom:28px}
.time-summary{display:flex;align-items:center;gap:20px;margin:22px 0}
.time-summary>strong{font-size:48px;border-right:2px solid var(--ink);padding-right:18px}
.time-summary div{display:flex;flex-direction:column;gap:10px}
.time-summary span{color:var(--muted)}
.change-time{display:block;text-align:center;text-decoration:underline;font-weight:700;margin:25px 0 40px}
.price-line,.total-line{display:flex;justify-content:space-between;align-items:center;margin-top:14px}
.total-line{padding:25px 0;font-size:19px}
@media(max-width:1000px){
  .category-strip{grid-template-columns:repeat(3,1fr)}
  .service-layout{grid-template-columns:1fr}
  .service-sidebar{display:none}
  .booking-page{grid-template-columns:1fr;gap:30px;padding:24px}
  .summary-card{position:static}
  .left-column{max-width:none}
}
@media(max-width:620px){
  .page-shell{padding:15px}
  .category-strip{grid-template-columns:repeat(2,1fr);padding:12px;gap:10px}
  .category-card{height:95px}
  .service-row{grid-template-columns:1fr 110px}
  .service-row .outline-btn{grid-column:1/-1}
  .booking-page{padding:18px}
  .staff-select select{width:100%}
  .date-strip{overflow-x:auto;display:flex}
  .date-pill{min-width:74px}
  .slots-grid{grid-template-columns:repeat(2,1fr)}
  .checkout-page{grid-template-columns:1fr}
  .summary-card{padding:30px 22px}
}