.bk-shell{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}.bk-topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;background:#ffffffd9;backdrop-filter:saturate(150%) blur(12px);-webkit-backdrop-filter:saturate(150%) blur(12px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.bk-logo img{height:40px;width:auto;display:block}.bk-topbar-right{display:flex;align-items:center;gap:22px}.bk-help{font-size:14px;color:var(--ink-2);letter-spacing:-.005em}.bk-help a{color:var(--deep-700);font-weight:500}.bk-close{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;color:var(--ink-2);background:var(--bg-2);transition:background .2s,color .2s,transform .2s}.bk-close:hover{background:var(--deep-700);color:#fff;transform:rotate(90deg)}.bk-progress{height:3px;background:var(--bg-2);overflow:hidden}.bk-progress-fill{height:100%;transform-origin:left;transform:scaleX(0);background:linear-gradient(90deg,var(--aqua-500),var(--deep-600));transition:transform .6s cubic-bezier(.2,.7,.1,1)}.bk-main{flex:1;display:grid;grid-template-columns:.92fr 1.08fr;min-height:0}.bk-rail{position:relative;overflow:hidden;color:#fff;padding:64px 56px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(165deg,#48b7bd,oklch(.55 .12 212) 42%,oklch(.38 .1 226) 78%,oklch(.28 .08 235));isolation:isolate}.bk-rail:before{content:"";position:absolute;inset:-10%;background:radial-gradient(ellipse 60% 40% at 25% 15%,color-mix(in oklab,white 40%,transparent),transparent 60%),radial-gradient(ellipse 50% 40% at 85% 70%,color-mix(in oklab,var(--aqua-300) 45%,transparent),transparent 60%);mix-blend-mode:screen;opacity:.7;z-index:-1;animation:caustic-drift 26s ease-in-out infinite alternate}body[data-motion=low] .bk-rail:before{animation:none}.bk-rail-top{position:relative;z-index:1}.bk-step-count{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:color-mix(in oklab,white 70%,var(--aqua-200));margin-bottom:28px}.bk-rail-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:color-mix(in oklab,white 85%,var(--aqua-200));margin-bottom:18px;font-weight:500}.bk-rail-eyebrow:before{content:"";width:26px;height:1px;background:currentColor;opacity:.6}.bk-rail-title{font-family:var(--font-serif);font-weight:400;font-size:clamp(36px,3.6vw,56px);line-height:1.02;letter-spacing:-.025em;margin:0;color:#fff;text-shadow:0 2px 30px rgba(10,30,50,.25)}.bk-rail-note{margin-top:22px;max-width:34ch;font-size:16px;line-height:1.6;color:color-mix(in oklab,white 86%,var(--aqua-200));letter-spacing:-.005em}.bk-zen{position:relative;z-index:0;margin:24px -20px -40px;align-self:center;width:86%;max-width:360px}.bk-zen svg{width:100%;height:auto;display:block}.bk-sun{animation:bk-pulse 7s ease-in-out infinite;transform-origin:170px 120px}.bk-sun-core{animation:bk-glow 8s ease-in-out infinite alternate;transform-origin:170px 118px}.bk-figure{animation:bk-float 7s ease-in-out infinite;transform-origin:160px 200px}.bk-w1{animation:bk-wave 9s ease-in-out infinite alternate;transform-origin:center}.bk-w2{animation:bk-wave 12s ease-in-out infinite alternate-reverse;transform-origin:center}.bk-reflect{animation:bk-shimmer 5s ease-in-out infinite;transform-origin:center}.bk-petal{animation:bk-drift 13s ease-in-out infinite}.bk-petal.p2{animation-duration:17s;animation-delay:-4s}.bk-petal.p3{animation-duration:15s;animation-delay:-7s}.bk-petal.p4{animation-duration:19s;animation-delay:-2s}@keyframes bk-pulse{0%,to{transform:scale(1);opacity:.8}50%{transform:scale(1.06);opacity:1}}@keyframes bk-glow{0%{opacity:.7}to{opacity:1}}@keyframes bk-float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes bk-wave{0%{transform:translate(-2%)}to{transform:translate(2%)}}@keyframes bk-shimmer{0%,to{opacity:.25;transform:scaleX(1)}50%{opacity:.55;transform:scaleX(1.12)}}@keyframes bk-drift{0%{transform:translate(0);opacity:.5}50%{transform:translate(8px,-14px);opacity:1}to{transform:translate(-6px,-26px);opacity:0}}body[data-motion=low] .bk-sun,body[data-motion=low] .bk-sun-core,body[data-motion=low] .bk-figure,body[data-motion=low] .bk-w1,body[data-motion=low] .bk-w2,body[data-motion=low] .bk-reflect,body[data-motion=low] .bk-petal{animation:none}.bk-stage{padding:64px 56px;display:flex;flex-direction:column;overflow-y:auto}.bk-step{flex:1}.bk-step.in-right{animation:bk-slide-r .5s cubic-bezier(.2,.7,.1,1)}.bk-step.in-left{animation:bk-slide-l .5s cubic-bezier(.2,.7,.1,1)}@keyframes bk-slide-r{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:none}}@keyframes bk-slide-l{0%{opacity:0;transform:translate(-24px)}to{opacity:1;transform:none}}body[data-motion=low] .bk-step{animation:none}.bk-grid{display:grid;gap:12px}.bk-grid-2{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.bk-grid-1{grid-template-columns:1fr}.bk-option{display:flex;align-items:center;gap:16px;text-align:left;padding:20px 22px;border-radius:var(--r-md);background:#fff;border:1.5px solid var(--line);cursor:pointer;transition:border-color .2s,transform .2s,box-shadow .2s,background .2s;opacity:0;animation:bk-pop .45s cubic-bezier(.2,.7,.1,1) forwards;animation-delay:calc(var(--i, 0) * 55ms)}@keyframes bk-pop{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}body[data-motion=low] .bk-option{animation:none;opacity:1}.bk-option:hover{border-color:var(--aqua-400);transform:translateY(-2px);box-shadow:var(--shadow-md)}.bk-option.sel{border-color:var(--deep-700);background:var(--aqua-50)}.bk-option-icon{flex:0 0 auto;display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--aqua-100);color:var(--deep-700);transition:background .2s,color .2s}.bk-option.sel .bk-option-icon{background:var(--deep-700);color:#fff}.bk-option-text{display:flex;flex-direction:column;gap:3px;flex:1}.bk-option-label{font-family:var(--font-serif);font-size:21px;letter-spacing:-.015em;color:var(--deep-800);line-height:1.1}.bk-option-desc{font-size:13px;color:var(--ink-2);letter-spacing:-.005em}.bk-option-check{flex:0 0 auto;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;border:1.5px solid var(--line);color:#fff;transition:background .2s,border-color .2s,transform .2s}.bk-option-check svg{opacity:0;transition:opacity .2s}.bk-option.sel .bk-option-check{background:var(--deep-700);border-color:var(--deep-700)}.bk-option.sel .bk-option-check svg{opacity:1}.bk-chips{display:flex;flex-wrap:wrap;gap:10px}.bk-chip{display:inline-flex;align-items:center;gap:9px;padding:12px 18px;border-radius:999px;background:#fff;border:1.5px solid var(--line);font-size:15px;color:var(--deep-800);letter-spacing:-.005em;cursor:pointer;transition:all .18s;opacity:0;animation:bk-pop .4s cubic-bezier(.2,.7,.1,1) forwards;animation-delay:calc(var(--i, 0) * 32ms)}body[data-motion=low] .bk-chip{animation:none;opacity:1}.bk-chip:hover{border-color:var(--aqua-400);transform:translateY(-1px)}.bk-chip.on{background:var(--deep-700);border-color:var(--deep-700);color:#fff}.bk-chip-x{display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--aqua-100);color:var(--deep-700);transition:background .2s,color .2s}.bk-chip.on .bk-chip-x{background:#fff3;color:#fff}.bk-pay{display:flex;flex-direction:column;gap:14px;max-width:560px}.bk-pay-primary{text-align:left;cursor:pointer;padding:28px 30px;border-radius:var(--r-lg);background:linear-gradient(160deg,white,var(--aqua-50));border:2px solid var(--aqua-400);transition:border-color .2s,box-shadow .2s,transform .2s}.bk-pay-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.bk-pay-primary.sel{border-color:var(--deep-700);box-shadow:0 0 0 4px color-mix(in oklab,var(--aqua-300) 40%,transparent)}.bk-pay-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.bk-pay-badge{font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--deep-700);background:var(--aqua-200);padding:5px 12px;border-radius:999px}.bk-pay-primary h3{font-family:var(--font-serif);font-weight:400;font-size:34px;letter-spacing:-.02em;color:var(--deep-800);margin:0 0 10px}.bk-pay-primary>p{font-size:15px;line-height:1.6;color:var(--ink-2);margin:0 0 16px;max-width:46ch}.bk-pay-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.bk-pay-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--deep-800)}.bk-pay-list li:before{content:"";flex:0 0 auto;width:18px;height:18px;border-radius:50%;background:var(--deep-700) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat}.bk-pay-primary .bk-option-check{border-color:var(--aqua-400)}.bk-pay-primary.sel .bk-option-check{background:var(--deep-700);border-color:var(--deep-700)}.bk-pay-primary.sel .bk-option-check svg{opacity:1}.bk-pay-secondary{display:flex;align-items:flex-start;gap:14px;text-align:left;cursor:pointer;padding:18px 22px;border-radius:var(--r-md);background:#fff;border:1.5px solid var(--line);transition:border-color .2s,background .2s}.bk-pay-secondary:hover{border-color:var(--aqua-400)}.bk-pay-secondary.sel{border-color:var(--deep-700);background:var(--aqua-50)}.bk-pay-secondary .bk-option-check{flex:0 0 auto;margin-top:2px;width:22px;height:22px}.bk-pay-secondary.sel .bk-option-check{background:var(--deep-700);border-color:var(--deep-700)}.bk-pay-secondary.sel .bk-option-check svg{opacity:1}.bk-pay-secondary h4{font-size:16px;font-weight:600;color:var(--deep-800);margin:0 0 4px;letter-spacing:-.01em}.bk-pay-secondary p{font-size:13.5px;color:var(--ink-2);margin:0;line-height:1.5}.bk-time{display:grid;grid-template-columns:168px 1fr;gap:28px}.bk-time-days{display:flex;flex-direction:column;gap:10px}.bk-day{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:8px;padding:14px 16px;border-radius:var(--r-md);background:#fff;border:1.5px solid var(--line);cursor:pointer;transition:all .18s;text-align:left}.bk-day:hover{border-color:var(--aqua-400)}.bk-day.on{background:var(--deep-700);border-color:var(--deep-700);color:#fff}.bk-day-name{font-size:13px;color:var(--ink-2);letter-spacing:-.005em}.bk-day.on .bk-day-name{color:color-mix(in oklab,white 80%,var(--aqua-200))}.bk-day-num{font-family:var(--font-serif);font-size:22px;color:var(--deep-800)}.bk-day.on .bk-day-num{color:#fff}.bk-day-mon{font-size:12px;color:var(--mute);text-transform:uppercase;letter-spacing:.08em}.bk-day.on .bk-day-mon{color:color-mix(in oklab,white 70%,var(--aqua-200))}.bk-time-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px}.bk-time-head strong{font-family:var(--font-serif);font-weight:400;font-size:22px;color:var(--deep-800);letter-spacing:-.015em}.bk-time-head span{font-size:12px;color:var(--mute);letter-spacing:.04em}.bk-slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;max-height:360px;overflow-y:auto;padding-right:4px}.bk-slots-empty{grid-column:1/-1;color:var(--mute);font-size:14px;padding:24px 0}.bk-slot{padding:13px 10px;border-radius:12px;background:#fff;border:1.5px solid var(--line);cursor:pointer;font-size:15px;font-weight:500;color:var(--deep-700);letter-spacing:-.005em;transition:all .16s;opacity:0;animation:bk-pop .35s cubic-bezier(.2,.7,.1,1) forwards;animation-delay:calc(var(--i, 0) * 22ms)}body[data-motion=low] .bk-slot{animation:none;opacity:1}.bk-slot:hover{border-color:var(--aqua-500);transform:translateY(-1px)}.bk-slot.on{background:var(--deep-700);border-color:var(--deep-700);color:#fff}.bk-form{display:grid;gap:22px;max-width:580px}.bk-field{display:grid;gap:8px}.bk-field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.bk-field label{font-size:13px;font-weight:500;color:var(--deep-800);letter-spacing:-.005em}.bk-field input,.bk-field textarea{font-family:var(--font-sans);font-size:15px;color:var(--ink);padding:13px 16px;border-radius:12px;border:1.5px solid var(--line);background:#fff;outline:none;transition:border-color .2s,box-shadow .2s;width:100%;resize:vertical}.bk-field input:focus,.bk-field textarea:focus{border-color:var(--aqua-500);box-shadow:0 0 0 4px color-mix(in oklab,var(--aqua-300) 35%,transparent)}.bk-hear{display:flex;flex-wrap:wrap;gap:8px}.bk-hear-chip{padding:9px 16px;border-radius:999px;cursor:pointer;background:#fff;border:1.5px solid var(--line);font-size:14px;color:var(--deep-800);letter-spacing:-.005em;transition:all .18s}.bk-hear-chip:hover{border-color:var(--aqua-400)}.bk-hear-chip.on{background:var(--deep-700);border-color:var(--deep-700);color:#fff}.bk-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}.bk-back{display:inline-flex;align-items:center;gap:8px;background:none;border:none;cursor:pointer;font-family:var(--font-sans);font-size:15px;font-weight:500;color:var(--ink-2);letter-spacing:-.005em;transition:color .2s}.bk-back:hover{color:var(--deep-700)}.bk-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;font-family:var(--font-sans);font-size:15px;font-weight:500;letter-spacing:-.005em;border:none;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,opacity .2s}.bk-btn-primary{background:var(--deep-700);color:#fff;box-shadow:0 8px 22px color-mix(in oklab,var(--deep-700) 28%,transparent)}.bk-btn-primary:hover:not(:disabled){transform:translateY(-2px);background:var(--deep-800);box-shadow:0 14px 30px color-mix(in oklab,var(--deep-700) 35%,transparent)}.bk-btn-primary:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.bk-btn-ghost{background:transparent;color:var(--deep-700);border:1.5px solid var(--line)}.bk-btn-ghost:hover{border-color:var(--deep-700)}.bk-arrow{transition:transform .25s var(--ease-out)}.bk-btn-primary:hover:not(:disabled) .bk-arrow{transform:translate(3px)}.bk-confirm{position:relative;flex:1;display:grid;place-items:center;padding:60px 24px;overflow:hidden}.bk-confirm-burst{position:absolute;inset:0;display:grid;place-items:center;opacity:.25;z-index:0;pointer-events:none}.bk-confirm-burst .bk-zen{width:min(520px,80vw);margin:0}.bk-confirm-card{position:relative;z-index:1;text-align:center;max-width:560px;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:56px 48px;box-shadow:var(--shadow-lg);animation:bk-rise .6s cubic-bezier(.2,.7,.1,1)}@keyframes bk-rise{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}.bk-confirm-tick{width:64px;height:64px;border-radius:50%;margin:0 auto 24px;display:grid;place-items:center;color:#fff;background:linear-gradient(160deg,var(--aqua-500),var(--deep-600));box-shadow:0 10px 26px color-mix(in oklab,var(--deep-600) 35%,transparent);animation:bk-tick .5s cubic-bezier(.2,.9,.2,1) .15s both}@keyframes bk-tick{0%{transform:scale(0)}to{transform:scale(1)}}.bk-confirm-eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--aqua-700);font-weight:500;margin-bottom:14px}.bk-confirm-card h2{font-family:var(--font-serif);font-weight:400;font-size:clamp(34px,4vw,50px);line-height:1.02;letter-spacing:-.025em;color:var(--deep-800);margin:0 0 20px}.bk-confirm-when{font-size:16px;color:var(--ink-2);line-height:1.6;margin:0 0 28px}.bk-confirm-when strong{color:var(--deep-800)}.bk-confirm-summary{display:grid;gap:0;text-align:left;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;margin-bottom:24px}.bk-confirm-summary>div{display:flex;justify-content:space-between;gap:16px;padding:13px 18px;border-bottom:1px solid var(--line);font-size:14px}.bk-confirm-summary>div:last-child{border-bottom:none}.bk-confirm-summary span{color:var(--mute)}.bk-confirm-summary strong{color:var(--deep-800);font-weight:500}.bk-confirm-note{font-size:14px;color:var(--ink-2);line-height:1.6;margin:0 0 28px}.bk-confirm-note strong{color:var(--deep-800)}.bk-confirm-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}@media (max-width: 1080px){.bk-grid-2{grid-template-columns:minmax(0,1fr)}}@media (max-width: 900px){.bk-main{grid-template-columns:1fr}.bk-rail{padding:40px 32px 0}.bk-rail .bk-zen{max-width:240px;margin:16px auto -20px}.bk-rail-note{display:none}.bk-stage{padding:36px 28px 48px}.bk-grid-2,.bk-time{grid-template-columns:1fr}.bk-time-days{flex-direction:row;overflow-x:auto}.bk-day{grid-template-columns:auto;text-align:center;min-width:90px}.bk-field-row{grid-template-columns:1fr}.bk-help{display:none}}.bk-req{color:#b3472d;font-weight:600}.bk-req-note{font-size:12.5px;color:#5b6b72;margin:0 0 4px}.bk-field.has-err input{border-color:#b3472d;background:#fff8f5}.bk-err{display:block;margin-top:6px;font-size:12.5px;font-weight:500;color:#9a3a22}.bk-btn[aria-disabled=true]{opacity:.55}.bk-zen .bk-figure{display:none!important}.bk-zen{z-index:1}.bk-sea{position:absolute;left:0;right:0;bottom:0;height:170px;overflow:hidden;pointer-events:none;z-index:0}.bk-sea-l{position:absolute;left:0;bottom:-10px;width:200%;height:100%;display:block}.bk-sea-l.l1{animation:bk-sea 22s linear infinite;height:100%}.bk-sea-l.l2{animation:bk-sea 15s linear infinite reverse;height:82%}.bk-sea-l.l3{animation:bk-sea 10s linear infinite;height:62%}@keyframes bk-sea{0%{transform:translate(0) translateY(0)}50%{transform:translate(-25%) translateY(-8px)}to{transform:translate(-50%) translateY(0)}}.bk-confirm-burst .bk-sea{display:none}@media (max-width:900px){.bk-sea{height:110px}}body[data-motion=low] .bk-sea-l{animation:none}