/* Studio KORI — KORI NETWORK CI palette (teal #1BA6B1 / blue #1C64AD) */
/* LINE Seed Sans TH — Thai characters only (unicode-range); Latin text keeps Arial */
@font-face{font-family:KoriThai;src:url("LINESeedSansTH-Rg.woff2") format("woff2");font-weight:100 500;font-display:swap;unicode-range:U+0E00-0E7F,U+200B-200D,U+25CC}
@font-face{font-family:KoriThai;src:url("LINESeedSansTH-Bd.woff2") format("woff2");font-weight:600 900;font-display:swap;unicode-range:U+0E00-0E7F,U+200B-200D,U+25CC}
:root{
  --teal:#1ba6b1;--teal-ink:#0d7a83;--teal-50:#e8f6f7;--teal-100:#c8ebee;
  --blue:#1c64ad;--blue-700:#154d86;--blue-50:#ebf2fa;--blue-100:#d3e3f4;
  --ink:#13263a;--ink-2:#46596b;--ink-3:#65778a;
  --bg:#f5f8fa;--surface:#fff;--panel:#eef3f7;--line:#d9e3ea;--line-2:#e9eff3;
  --radius:10px;--gutter:56px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:22px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:KoriThai,Arial,Tahoma,sans-serif;font-size:14px;line-height:1.6;padding-left:env(safe-area-inset-left,0);padding-right:env(safe-area-inset-right,0)}
button,select,input{font:inherit}
button,a,select,input{touch-action:manipulation}
button{color:inherit;cursor:pointer;border:0;background:none}
button:disabled,fieldset:disabled{cursor:default}
a{color:inherit;text-decoration:none}
button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,canvas:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
h1,h2,h3,p{margin:0}
select{width:100%;appearance:none;-webkit-appearance:none;background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%2346596b' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 16px center/12px 8px;border:1px solid var(--line);border-radius:8px;padding:12px 44px 12px 14px;min-height:48px;color:var(--ink);text-overflow:ellipsis}
select:hover:enabled{border-color:var(--teal)}
select:disabled{opacity:.55}
label{display:block}
[hidden]{display:none!important}
small,.small{font-size:12px}
.muted{color:var(--ink-3)}
.eyebrow{font:600 11px/1.5 KoriThai,Arial,sans-serif;letter-spacing:1.6px;color:var(--teal-ink)}

/* Header */
.header{max-width:1440px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px var(--gutter);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;line-height:1.05;letter-spacing:2px;font-size:10px;color:var(--ink-2)}
.brand b{font-size:22px;letter-spacing:4px;color:var(--blue)}
.brand-symbol{width:40px;height:40px;object-fit:contain;display:block}
.header nav{display:flex;align-items:center;gap:28px;font-size:13px}
.header nav a{padding:8px 0}
.header nav a:last-child{background:var(--blue);color:#fff;padding:9px 16px;border-radius:999px}
.header nav a:last-child:hover{background:var(--blue-700)}
.nav-active{border-bottom:2px solid var(--teal)}
.private-badge{font:10px KoriThai,Arial;letter-spacing:1px;border:1px solid var(--line);border-radius:30px;padding:7px 12px;color:var(--ink-2);white-space:nowrap}
.private-badge span{color:var(--teal);margin-right:6px}

main{max-width:1440px;margin:auto;padding:0 var(--gutter)}

/* Hero */
.hero{display:flex;justify-content:space-between;align-items:flex-end;padding:48px 0 36px;gap:30px}
.hero .eyebrow{margin-bottom:20px}
.hero .eyebrow span{color:var(--ink-3);margin-left:12px}
h1{font-size:clamp(44px,5.7vw,80px);line-height:1;letter-spacing:-3px;font-weight:500;position:relative;min-width:0;padding-right:70px}
h1 em{font-family:Georgia,serif;font-weight:400;color:var(--blue)}
.hero-asterisk{font-size:.9em;position:absolute;right:0;top:.2em;color:var(--teal)}
.hero-copy{max-width:340px;padding-bottom:6px;font-size:13px;color:var(--ink-2);line-height:1.85}
.hero-copy p{font-size:18px;color:var(--ink);margin-bottom:8px}
.text-link{display:flex;justify-content:space-between;align-items:center;color:var(--blue);border-bottom:2px solid var(--teal);margin-top:18px;padding-bottom:6px;font-size:13px;max-width:230px;min-height:44px}
.text-link span{font-size:20px}

/* Explorer */
.explorer{display:grid;grid-template-columns:290px minmax(0,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel)}
.room-list{padding:22px 18px;background:var(--surface);display:flex;flex-direction:column;border-right:1px solid var(--line)}
.list-heading{display:flex;justify-content:space-between;gap:10px;font:10px KoriThai,Arial;letter-spacing:.8px;padding:0 3px 14px;color:var(--ink-3)}
.room-card{display:flex;position:relative;gap:12px;text-align:left;padding:18px 14px;border:1px solid var(--line-2);border-radius:8px;margin-bottom:10px;background:var(--bg);transition:background .15s,border-color .15s,box-shadow .15s}
.room-card:hover{background:var(--teal-50);border-color:var(--teal-100)}
.room-card.selected{background:var(--teal-50);border-color:var(--teal);box-shadow:inset 4px 0 0 var(--teal)}
.room-card.selected .room-arrow{color:var(--teal-ink)}
.room-no{font:11px KoriThai,Arial;color:var(--ink-3);margin-top:6px}
.room-info{min-width:0}
.room-info strong{display:block;font-size:21px;font-weight:500;letter-spacing:-.4px;line-height:1.35}
.room-info small{display:block;font-size:11px;color:var(--ink-3);margin:2px 0 12px;line-height:1.5}
.room-rate{display:block;font-size:15px;font-weight:600;color:var(--blue)}
.room-rate small{display:inline;margin:0;font-size:11px;font-weight:400;color:var(--ink-3)}
.room-arrow{margin-left:auto;font-size:17px;color:var(--ink-3)}
.list-note{font-size:12px;line-height:1.8;margin:6px 4px;color:var(--ink-2)}
.list-note>span:last-child{display:block;color:var(--ink-3);font-size:11px;margin-left:12px}
.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-right:5px;vertical-align:middle}
.plan-link{margin-top:auto;text-align:left;font-size:13px;color:var(--blue);border-top:1px solid var(--line-2);padding:12px 4px 0;min-height:44px;display:flex;justify-content:space-between;align-items:center}
.plan-link:hover{color:var(--blue-700)}

.viewport{height:545px;position:relative;min-width:0;background:radial-gradient(ellipse at 55% 40%,#fbfdfe 0,var(--panel) 70%);overflow:hidden}
.view-top{position:absolute;top:16px;left:18px;right:18px;display:flex;justify-content:space-between;align-items:center;z-index:2;pointer-events:none}
.view-top>*{pointer-events:auto}
.segmented{display:flex;padding:3px;border:1px solid var(--line);background:var(--surface);border-radius:8px}
.segmented button{padding:6px 14px;border-radius:5px;font-size:12px;min-height:36px}
.segmented .active{background:var(--blue);color:#fff}
.segmented button:disabled{color:var(--ink-3);opacity:.6}
.view-tag{font:10px KoriThai,Arial;letter-spacing:1.4px;color:var(--ink-3)}
#scene{width:100%;height:100%;display:block;touch-action:pan-y;cursor:grab}
#scene.dragging{cursor:grabbing}
#room-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.scene-label{position:absolute;transform:translate(-50%,-50%);padding:8px 12px;min-height:40px;border:1px solid var(--blue-100);border-radius:6px;background:rgba(255,255,255,.96);font:11px KoriThai,Arial;color:var(--ink);box-shadow:0 2px 6px rgba(19,38,58,.1);pointer-events:auto;white-space:nowrap}
.scene-label span{color:var(--teal-ink);margin-right:5px;font-size:9px}
.scene-label:hover{background:var(--teal-50);border-color:var(--teal)}
.view-bottom{position:absolute;left:18px;right:18px;bottom:36px;display:flex;align-items:center;justify-content:space-between;gap:10px}
#scene-hint{font-size:12px;color:var(--ink-2)}
.view-controls{display:flex;border:1px solid var(--line);background:var(--surface);border-radius:8px;align-items:center;overflow:hidden}
.view-controls button{width:40px;height:40px;font:20px KoriThai,Arial;color:var(--blue)}
.view-controls button:hover{background:var(--blue-50)}
.view-controls span{height:18px;border-left:1px solid var(--line)}
.model-note{position:absolute;bottom:12px;left:18px;right:18px;font-size:11px;color:var(--ink-3)}

/* Room detail */
.room-detail{display:grid;grid-template-columns:1fr 1.3fr;gap:36px;padding:30px 0 34px;border-bottom:1px solid var(--line);min-height:170px}
.detail-intro h2{font-size:28px;font-weight:500;letter-spacing:-.5px;margin:6px 0;color:var(--ink)}
.detail-intro p{font-size:13px;color:var(--ink-2);max-width:400px}
.overview-facts{display:flex;gap:44px;align-items:center;justify-content:flex-end}
.overview-facts div{display:flex;flex-direction:column}
.overview-facts strong{font:34px KoriThai,Arial;letter-spacing:-1px;color:var(--blue)}
.overview-facts span{color:var(--ink-3);font-size:12px;margin-top:4px}
.room-detail.is-selected{grid-template-columns:1fr 1.3fr;gap:34px}
/* กล่องรายละเอียดห้องขวาแปลน · สูงเท่าแปลน เนื้อหาเลื่อนในกล่อง ปุ่มจองติดล่าง */
.explorer.room-mode{grid-template-columns:290px minmax(0,1fr) 360px}
.explorer:not(.room-mode) .room-panel{display:none}
.room-panel{position:relative;min-width:0;background:var(--surface);border-left:1px solid var(--line)}
.panel-inner{position:absolute;inset:0;display:flex;flex-direction:column}
.panel-scroll{flex:1;min-height:0;overflow-y:auto;padding:20px 20px 18px;overscroll-behavior:contain}
.panel-head h3{font-size:22px;font-weight:500;letter-spacing:-.4px;margin:4px 0 12px}
.panel-desc{font-size:13px;line-height:1.75;color:var(--ink-2);margin:12px 0 0}
.panel-block{margin-top:18px;padding-top:16px;border-top:1px solid var(--line-2)}
.panel-block h4{font-size:14px;font-weight:600;margin:0 0 10px}
.panel-chips{margin-top:12px}
.panel-chips .detail-chip{font-size:11px;border:1px solid var(--teal-100);background:var(--teal-50);color:var(--teal-ink);border-radius:999px;display:inline-block;padding:3px 10px;margin:0 5px 6px 0}
.panel-note{font-size:12px;line-height:1.7;color:var(--ink-3);margin:4px 0 0}
.panel-foot{padding:12px 20px 16px;border-top:1px solid var(--line-2);background:var(--surface)}
/* สไลด์โชว์ */
.slider{position:relative}
.slider-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;border-radius:8px}
.slider-track::-webkit-scrollbar{display:none}
.slide{flex:0 0 100%;scroll-snap-align:start;margin:0;position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--panel)}
.slide>img,.slide .room-photo img{width:100%;height:100%;object-fit:cover;display:block}
.slide .room-photo{width:100%;height:100%;border:0;border-radius:0;aspect-ratio:auto}
.slide-ph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-align:center;padding:14px;background:linear-gradient(135deg,var(--teal-50),var(--blue-50));border:1px dashed var(--blue-100);color:var(--ink-3)}
.slide-ph svg{color:var(--teal);margin-bottom:4px}
.slide-ph strong{font-size:14px;font-weight:600;color:var(--ink-2)}
.slide-ph small{font-size:11px}
.slider-btn{position:absolute;top:50%;transform:translateY(-50%);width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.94);border:1px solid var(--line);color:var(--blue);font:22px/1 Arial;display:grid;place-items:center;padding:0 0 3px;box-shadow:0 2px 8px rgba(19,38,58,.12);transition:opacity .15s}
.slider-btn:hover{background:#fff;border-color:var(--teal)}
.slider-btn:disabled{opacity:0;pointer-events:none}
.slider-btn.prev{left:8px}.slider-btn.next{right:8px}
.slider-dots{position:absolute;top:9px;right:10px;display:flex;gap:4px;padding:4px 6px;border-radius:999px;background:rgba(12,24,36,.35)}
.slider-dots span{width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.55)}
.slider-dots span.on{background:#fff}
.slider-cards .slider-track{gap:12px;border-radius:10px}
.slider-cards .slide{flex-basis:calc((100% - 36px)/4);aspect-ratio:4/3;border-radius:10px}
.slider-cards .slider-btn{width:40px;height:40px}
/* ภาพผลงานลูกค้า (ใต้แปลน) */
.usecases{grid-column:1/-1}
.usecases-head{display:flex;align-items:baseline;gap:14px;margin-bottom:12px}
.usecases-head h3{font-size:15px;font-weight:600}
.detail-stats{display:flex;gap:22px;margin:10px 0 12px}
.detail-stats strong{font-size:20px;font-weight:500;color:var(--blue)}
.detail-stats small{display:block;color:var(--ink-3);font-size:11px}
.detail-column h3{font-size:14px;margin-bottom:10px;font-weight:600}
.detail-column p{font-size:13px;line-height:1.85;color:var(--ink-2)}
.detail-column .detail-chip{font-size:11px;border:1px solid var(--teal-100);background:var(--teal-50);color:var(--teal-ink);border-radius:999px;display:inline-block;padding:3px 10px;margin:0 5px 6px 0}
.detail-warning{background:var(--blue-50);border-left:3px solid var(--blue);padding:10px 12px;margin-bottom:10px;border-radius:0 6px 6px 0}
.detail-book{display:inline-flex;align-items:center;min-height:44px;font-size:13px;margin-top:8px;color:var(--blue);border-bottom:2px solid var(--teal)}

/* Booking */
.booking-section{padding:44px 0 68px}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:26px}
.section-heading h2{font-size:30px;letter-spacing:-.6px;font-weight:500;margin-top:8px}
.section-heading>.muted{text-align:right;font-size:12px}
.booking-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(300px,1fr);gap:36px;align-items:start}
.booking-form{padding:26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.field-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:26px}
.field-row label,.time-fields label{font-size:13px;color:var(--ink-2)}
.field-row select,.time-fields select{margin-top:6px}
.date-time-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:28px}
.calendar-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.calendar-heading h3{font-size:15px;font-weight:500;min-width:0}
.calendar-heading button{height:40px;width:40px;border-radius:8px;color:var(--blue)}
.calendar-heading button:hover:enabled{background:var(--blue-50)}
.calendar-heading button:disabled{opacity:.3}
.weekdays,.calendar-days{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;gap:4px}
.weekdays{font-size:11px;color:var(--ink-3);margin-bottom:6px}
.calendar-days button{height:40px;min-width:0;font-size:13px;border-radius:8px}
.calendar-days button:hover:enabled:not(.chosen){background:var(--teal-50)}
.calendar-days button:disabled{color:#b4c0ca}
.calendar-days button.today{box-shadow:inset 0 0 0 1.5px var(--teal)}
.calendar-days button.chosen{background:var(--blue);color:#fff;box-shadow:none}
.calendar-caption{font-size:11px;color:var(--ink-3);margin-top:14px}
.calendar-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--blue);margin-right:5px}
.time-fields label{margin-bottom:14px}
.end-time{display:flex;justify-content:space-between;font-size:12px;padding:10px 0;border-bottom:1px solid var(--line-2);margin-bottom:12px;color:var(--ink-2)}
.end-time strong{font-weight:600;color:var(--blue)}
.time-fields .small{font-size:11px;line-height:1.8}
fieldset{padding:0;border:0;margin:28px 0 0;min-width:0}
legend{width:100%;font-size:14px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:2px;display:flex;justify-content:space-between;gap:12px}
legend span{font-size:12px;color:var(--ink-3)}
fieldset:disabled{opacity:.5}
.addon{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line-2);cursor:pointer;min-height:56px}
.addon input{appearance:none;-webkit-appearance:none;margin:0;width:20px;height:20px;flex-shrink:0;border:1.5px solid #9fb2c2;border-radius:5px;background:#fff}
.addon input:checked{background:var(--blue);border-color:var(--blue);box-shadow:inset 0 0 0 3px #fff}
.addon strong{font-size:13px;font-weight:500;display:block}
.addon small{display:block;font-size:12px;color:var(--ink-3)}
.quote-label{margin-left:auto;font-size:11px;color:var(--teal-ink);background:var(--teal-50);padding:2px 8px;border-radius:999px;white-space:nowrap}

/* Summary — CI blue card */
.summary{background:var(--blue);color:#fff;border-radius:var(--radius);padding:28px;position:sticky;top:20px;border-top:5px solid var(--teal)}
.summary-top{display:flex;justify-content:space-between;font:11px KoriThai,Arial;letter-spacing:1.6px;margin-bottom:20px;color:rgba(255,255,255,.8)}
.summary-top>span:last-child{font-size:22px;margin-top:-8px}
.summary h3{font-size:26px;font-weight:500;letter-spacing:-.4px;line-height:1.35}
.summary>p{font-size:13px;color:rgba(255,255,255,.82);margin-top:4px}
dl{margin:22px 0;padding:14px 0;border-top:1px solid rgba(255,255,255,.22);border-bottom:1px solid rgba(255,255,255,.22)}
dl>div{display:flex;justify-content:space-between;gap:15px;font-size:13px;margin:8px 0}
dt{color:rgba(255,255,255,.75)}
dd{margin:0;text-align:right}
.price-row,.extra-line{display:flex;justify-content:space-between;gap:12px;font-size:13px}
.extra-line{font-size:12px;margin-top:10px;color:rgba(255,255,255,.82)}
.total{border-bottom:1px solid rgba(255,255,255,.22);margin:22px 0 12px;padding-bottom:18px;display:flex;flex-wrap:wrap;align-items:baseline;gap:0 10px}
.total>span{font-size:12px;width:100%;color:rgba(255,255,255,.8)}
.total strong{font:44px KoriThai,Arial;letter-spacing:-1.5px}
.total small{font:11px KoriThai,Arial;color:rgba(255,255,255,.75)}
.summary .summary-fine{font-size:11px;line-height:1.75;color:rgba(255,255,255,.78)}
.summary .validation{font-size:12px;color:#d9f4f6;margin:14px 0 10px}
.summary .privacy-note{font-size:11px;text-align:center;margin-top:12px;line-height:1.8;color:rgba(255,255,255,.78)}
.privacy-note span{font-size:14px;margin-right:5px}

.primary{width:100%;background:var(--blue);color:#fff;border:1px solid var(--blue);border-radius:8px;padding:14px 16px;font-size:14px;display:flex;justify-content:space-between;align-items:center;min-height:50px}
.primary:hover:enabled{background:var(--blue-700)}
.primary:disabled{background:#b7c6d3;border-color:#b7c6d3;color:#f4f7f9}
.primary span{font-size:20px;line-height:1}
.summary .primary{background:#fff;color:var(--blue-700);border-color:#fff;font-weight:600}
.summary .primary:hover:enabled{background:var(--teal-50)}
.summary .primary:disabled{background:rgba(255,255,255,.18);border-color:transparent;color:rgba(255,255,255,.6);font-weight:400}

/* Footer */
footer{border-top:1px solid var(--line);max-width:1440px;margin:auto;padding:24px var(--gutter) 36px;display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:12px 24px;font-size:12px;color:var(--ink-3)}
footer b{font:12px KoriThai,Arial;letter-spacing:1px;color:var(--blue)}
footer details{width:100%;font-size:11px;max-width:1000px;margin-top:4px}
footer summary{cursor:pointer;min-height:32px;color:var(--ink-2)}
footer details p{margin-top:8px;line-height:1.8}

/* Dialogs */
dialog{border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);padding:26px;max-width:min(92vw,600px);width:100%;max-height:90vh;max-height:90dvh;overflow:auto;box-shadow:0 25px 90px rgba(19,38,58,.28)}
dialog::backdrop{background:rgba(19,38,58,.55);backdrop-filter:blur(4px)}
.dialog-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px}
.dialog-top h2{font-size:19px;font-weight:500}
.close-dialog{width:44px;height:44px;flex-shrink:0;background:var(--blue-50);color:var(--blue);border-radius:50%;font:24px KoriThai,Arial}
.close-dialog:hover{background:var(--blue-100)}
.draft-pill{font-size:12px;background:var(--teal-50);color:var(--teal-ink);padding:5px 10px;border-radius:999px}
#review-dialog h2{font-size:32px;font-weight:500;line-height:1.35;letter-spacing:-.5px;margin:16px 0 24px}
#review-content p{font-size:14px;margin-bottom:10px}
#review-content h3{font-size:22px;margin-bottom:12px;font-weight:500;color:var(--blue)}
#review-content ul{padding-left:20px;font-size:13px;color:var(--ink-2)}
#review-content .review-total{border-top:1px solid var(--line);padding-top:14px;margin:18px 0;font-size:28px;color:var(--blue)}
.review-alert{display:flex;gap:12px;align-items:flex-start;font-size:13px;line-height:1.7;text-align:left;background:#fff3e6;border:1px solid #f0b37a;border-left:5px solid #d2691e;padding:14px 16px;margin:20px 0;border-radius:0 8px 8px 0;color:#7a3c06}
.review-alert strong{display:block;font-size:15px;font-weight:700;color:#a8410a;margin-bottom:2px}
.review-alert b{color:#a8410a}
.alert-icon{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:#d2691e;color:#fff;font:700 15px KoriThai,Arial;display:flex;align-items:center;justify-content:center}
#review-dialog>.small{margin-top:10px}
#plan-dialog{max-width:min(94vw,1100px)}
#plan-dialog img{width:100%;height:auto;display:block}

#toast{position:fixed;bottom:calc(24px + env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 20px;border-radius:8px;z-index:30;font-size:13px;display:none;width:max-content;max-width:calc(100vw - 32px);text-align:center}
.skip{position:fixed;top:-100px;left:10px;background:#fff;padding:12px;z-index:40}
.skip:focus{top:10px}

/* Mobile summary bar (shown ≤ 900px once a room is chosen) */
.mobile-bar{display:none}

@media (min-width:1450px){.viewport{height:580px}}

/* Tablet */
@media (max-width:1100px){
  :root{--gutter:30px}
  .hero-copy{max-width:280px}
  .explorer,.explorer.room-mode{grid-template-columns:250px minmax(0,1fr)}
  .room-panel{grid-column:1/-1;border-left:0;border-top:1px solid var(--line)}
  .panel-inner{position:static}
  .panel-scroll{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;align-content:start}
  .panel-head{grid-column:1/-1}
  .panel-block{margin-top:0;padding-top:0;border-top:0}
  .slider-cards .slide{flex-basis:calc((100% - 24px)/3)}
  .room-list{padding:18px 12px}
  .room-info strong{font-size:19px}
  .viewport{height:520px}
  .view-tag{display:none}
  .room-detail.is-selected{grid-template-columns:1fr 1fr;gap:24px}
  .room-detail.is-selected .detail-intro{grid-column:1/-1}
  .booking-layout{gap:22px;grid-template-columns:minmax(0,1.5fr) minmax(280px,1fr)}
  .booking-form{padding:20px}
  .date-time-layout{grid-template-columns:1fr;gap:22px}
  .time-fields{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
  .time-fields .end-time,.time-fields>p{grid-column:1/-1}
  .summary{padding:22px}
  .overview-facts{gap:26px}
}

/* Small tablet / large phone: booking stacks, bottom bar appears */
@media (max-width:900px){
  .booking-layout{grid-template-columns:1fr}
  .date-time-layout{grid-template-columns:1.3fr 1fr}
  .time-fields{display:block}
  .summary{position:static}
  .mobile-bar:not([hidden]){display:flex;position:fixed;left:0;right:0;bottom:0;z-index:20;align-items:center;justify-content:space-between;gap:12px;padding:10px 18px calc(10px + env(safe-area-inset-bottom,0px));background:var(--blue);color:#fff;border-top:3px solid var(--teal);box-shadow:0 -6px 20px rgba(19,38,58,.18);transition:transform .2s}
  .mobile-bar small{display:block;font-size:12px;color:rgba(255,255,255,.82);line-height:1.3}
  .mobile-bar strong{font:24px KoriThai,Arial;letter-spacing:-.5px}
  .mb-link{background:#fff;color:var(--blue-700);font-weight:600;font-size:14px;padding:10px 16px;border-radius:8px;min-height:44px;display:flex;align-items:center;gap:8px;white-space:nowrap}
  body.summary-in-view .mobile-bar{transform:translateY(110%)}
  body.has-bar footer{padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}
  body.has-bar #toast{bottom:calc(90px + env(safe-area-inset-bottom,0px))}
}

/* Phone */
@media (max-width:780px){
  :root{--gutter:20px}
  .header{padding:14px var(--gutter)}
  .header nav{gap:14px;font-size:13px}
  .header nav a:first-child{display:none}
  .brand b{font-size:18px;letter-spacing:3px}
  .brand-symbol{width:34px;height:34px}
  .hero{display:block;padding:30px 0 24px}
  .hero .eyebrow{margin-bottom:14px}
  h1{font-size:clamp(40px,11.5vw,64px);letter-spacing:-2px;padding-right:0;max-width:520px}
  .hero-asterisk{display:none}
  .hero-copy{max-width:none;margin-top:20px;font-size:14px}
  .hero-copy p{font-size:17px}
  .text-link{max-width:none}
  .explorer{display:flex;flex-direction:column}
  .viewport{order:0;height:clamp(320px,95vw,460px)}
  .room-list{order:1;border-right:0;border-top:1px solid var(--line);padding:14px}
  .room-panel{order:2}
  .panel-scroll{display:block;padding:18px 14px}
  .panel-block{margin-top:18px;padding-top:16px;border-top:1px solid var(--line-2)}
  .panel-foot{padding:12px 14px 14px}
  .slider-cards .slide{flex-basis:78%}
  .slider-btn{display:none}
  .usecases-head{display:block}
  .room-card{align-items:center;padding:14px;margin-bottom:8px}
  .room-no{margin-top:0}
  .room-info{display:grid;grid-template-columns:1fr auto;align-items:center;gap:0 12px;flex:1}
  .room-info strong{font-size:18px}
  .room-info small{grid-column:1;margin:0;font-size:12px}
  .room-rate{grid-column:2;grid-row:1/3;text-align:right;font-size:15px}
  .room-rate small{display:block;font-size:11px}
  .room-arrow{display:none}
  .list-note{margin:6px 2px}
  .list-note>span:last-child{margin-left:12px}
  .plan-link{margin-top:6px}
  .view-top{left:12px;right:12px;top:12px}
  .view-bottom{left:12px;right:12px;bottom:34px}
  #scene-hint{font-size:11px;max-width:140px;line-height:1.4}
  .model-note{left:12px;right:12px;font-size:10px;bottom:10px}
  .room-detail,.room-detail.is-selected{grid-template-columns:1fr;gap:18px;padding:24px 0}
  .detail-intro h2{font-size:25px}
  .overview-facts{justify-content:flex-start;gap:30px}
  .overview-facts strong{font-size:28px}
  .room-detail.is-selected .detail-column{padding-top:16px;border-top:1px solid var(--line-2)}
  .booking-section{padding:30px 0 40px}
  .section-heading{display:block;margin-bottom:18px}
  .section-heading h2{font-size:25px}
  .section-heading>.muted{display:block;text-align:left;margin-top:8px}
  .booking-form{padding:18px}
  .date-time-layout{grid-template-columns:1fr}
  .time-fields{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
  select{font-size:16px} /* prevents iOS zoom on focus */
  .summary{padding:22px}
  footer{padding:20px var(--gutter) 28px;gap:10px}
  body.has-bar footer{padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}
}

@media (max-width:560px){
  .private-badge{display:none}
  .overview-facts{gap:22px}
  .overview-facts strong{font-size:24px}
}

@media (max-width:460px){
  :root{--gutter:16px}
  .header nav a:last-child{padding:8px 13px;font-size:12px}
  .field-row{grid-template-columns:1fr;gap:14px;margin-bottom:20px}
  .calendar-days button{height:44px}
  .view-controls button{width:36px}
  .addon{align-items:flex-start}
  .quote-label{margin-top:2px}
  dialog{padding:20px}
  #review-dialog h2{font-size:26px}
  .total strong{font-size:38px}
}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Booking request form (inside the review dialog) */
#request-form{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}
.request-heading{font-size:17px;font-weight:600;margin-bottom:4px}
.request-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:16px 0 14px}
.request-grid label{font-size:12px;color:var(--ink-2)}
.request-grid .span2{grid-column:1/-1}
.request-grid input,.request-grid textarea{width:100%;margin-top:6px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:11px;min-height:46px;color:var(--ink);font-size:15px;resize:vertical}
.request-grid input:hover,.request-grid textarea:hover{border-color:var(--teal)}
.request-grid input:focus-visible,.request-grid textarea:focus-visible{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:12px;line-height:1.7;color:var(--ink-2);cursor:pointer;padding:6px 0 4px}
.consent input{appearance:none;-webkit-appearance:none;margin:2px 0 0;width:20px;height:20px;flex-shrink:0;border:1.5px solid #9fb2c2;border-radius:5px;background:#fff}
.consent input:checked{background:var(--blue);border-color:var(--blue);box-shadow:inset 0 0 0 3px #fff}
.consent a{color:var(--blue);border-bottom:1px solid var(--teal)}
.rq-error{font-size:13px;color:#b02a37;background:#fdeced;border-left:3px solid #b02a37;padding:10px 12px;border-radius:0 6px 6px 0;margin:12px 0}
#send-request{margin-top:14px}
#rq-fine{margin-top:10px}
#request-done{border-top:1px solid var(--line);margin-top:22px;padding-top:22px;text-align:center}
#request-done h3{font-size:22px;font-weight:500;margin-bottom:6px}
#request-done p{font-size:13px;margin-bottom:10px}
#request-done strong{font:16px KoriThai,Arial;letter-spacing:1px;color:var(--blue)}
.done-mark{width:52px;height:52px;margin:0 auto 14px;border-radius:50%;background:var(--teal-50);color:var(--teal-ink);font-size:26px;display:flex;align-items:center;justify-content:center}
#download-done{margin-top:12px}
@media (max-width:460px){.request-grid{grid-template-columns:1fr}}
.download-block{display:none}
.ghost{width:100%;background:var(--surface);color:var(--blue);border:1px solid var(--line);border-radius:8px;padding:12px 16px;font-size:13px;display:flex;justify-content:space-between;align-items:center;min-height:46px}
.ghost:hover{border-color:var(--teal);background:var(--teal-50)}
.download-block{border-top:1px solid var(--line-2);margin-top:20px;padding-top:16px}
.download-block .small{margin-top:8px;text-align:center}
#request-done .ghost{margin-top:12px}
.hours-note{font-size:12px;line-height:1.7;color:var(--teal-ink);background:var(--teal-50);border-radius:6px;padding:8px 10px;margin-bottom:10px}
.hours-note.past-close{color:#7a3c06;background:#fff3e6;border:1px solid #f0b37a;border-left:4px solid #d2691e}

/* LINE handoff (copy the summary, scan the QR) */
.handoff{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}
.handoff-heading{font-size:17px;font-weight:600}
.handoff-lead{margin:8px 0 12px;font-size:13px;line-height:1.7;color:var(--ink-2)}
.handoff-alt{margin:18px 0 0;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;font-weight:600;color:var(--ink)}
.handoff-steps{margin:10px 0 16px;padding-left:20px;font-size:13px;line-height:1.9;color:var(--ink-2)}
.handoff-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(170px,1fr);gap:18px;align-items:start}
.summary-box{min-width:0}
#summary-text{margin:0 0 12px;max-height:260px;overflow:auto;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:14px;font:12px/1.75 KoriThai,ui-monospace,Menlo,Consolas,monospace;white-space:pre-wrap;word-break:break-word;color:var(--ink)}
#summary-text:focus-visible{outline:2px solid var(--blue);outline-offset:1px}
.line-box{text-align:center;background:var(--teal-50);border:1px solid var(--teal-100);border-radius:10px;padding:16px}
.line-qr{background:#fff;border-radius:8px;padding:8px;display:block}
.line-qr img{width:100%;height:auto;display:block}
.line-box .ghost{justify-content:center;gap:8px;background:var(--surface);margin-top:12px}
.line-box .small{margin-top:8px;line-height:1.6}
@media (max-width:560px){.handoff-grid{grid-template-columns:1fr}.line-box{padding:14px}.line-qr{max-width:200px;margin:0 auto}}
.total strong.as-quote,#total-price.as-quote{font-size:24px;letter-spacing:0}
.student-check{display:flex;gap:10px;align-items:flex-start;margin-top:14px;padding:12px;border:1px solid var(--teal-100);background:var(--teal-50);border-radius:8px;cursor:pointer;min-height:56px}
.student-check input{appearance:none;-webkit-appearance:none;margin:1px 0 0;width:20px;height:20px;flex-shrink:0;border:1.5px solid #7fb9bf;border-radius:5px;background:#fff}
.student-check input:checked{background:var(--teal-ink);border-color:var(--teal-ink);box-shadow:inset 0 0 0 3px #fff}
.student-check strong{display:block;font-size:13px;font-weight:600;color:var(--teal-ink)}
.student-check small{display:block;font-size:11px;line-height:1.6;color:var(--ink-2);margin-top:2px}
.includes{border-top:1px solid rgba(255,255,255,.22);border-bottom:1px solid rgba(255,255,255,.22);margin:18px 0 16px;padding:14px 0}
.includes h4{font-size:12px;font-weight:600;letter-spacing:.3px;margin:0 0 8px;color:#bfe3ff}
.includes ul{margin:0;padding:0;list-style:none;font-size:12px;line-height:1.7;color:rgba(255,255,255,.9)}
.includes li{position:relative;padding-left:18px;margin-bottom:5px}
.includes li::before{content:'✓';position:absolute;left:0;color:#7fdce2;font-size:11px}
.addon.included{opacity:.7;cursor:default}
.addon.included .quote-label{background:var(--blue-50);color:var(--blue-700)}
.addon input:disabled{background:#eef2f5;border-color:#c3ced7}
.addons-note{font-size:12px;line-height:1.7;color:#7a3c06;background:#fff3e6;border:1px solid #f0b37a;border-left:4px solid #d2691e;border-radius:0 6px 6px 0;padding:10px 12px;margin:12px 0 0}

/* Room photos in the detail strip */
.room-photo{padding:0;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:var(--panel);aspect-ratio:16/10;display:block}
.room-photo img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s}
.room-photo:hover img{transform:scale(1.03)}
#photo-dialog{max-width:min(94vw,900px)}
#photo-large{width:100%;height:auto;border-radius:10px;display:block}
/* ภาพใหญ่ + ปุ่มเลื่อน */
.lightbox{position:relative}
#photo-large{touch-action:pan-y;user-select:none;-webkit-user-select:none}
.lb-btn{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.94);border:1px solid var(--line);color:var(--blue);font:26px/1 Arial;display:grid;place-items:center;padding:0 0 3px;box-shadow:0 2px 10px rgba(19,38,58,.18)}
.lb-btn:hover{background:#fff;border-color:var(--teal)}
.lb-btn[hidden]{display:none}
.lb-prev{left:12px}.lb-next{right:12px}
.lb-count{margin:10px 0 0;text-align:center;font-size:12px;color:var(--ink-3);min-height:1em}
.calendar-days button.full{opacity:.45;text-decoration:line-through;text-decoration-color:#c2410c}
.calendar-days button.partial{box-shadow:inset 0 -3px 0 #d2691e}
.calendar-days button.partial.chosen{box-shadow:inset 0 -3px 0 #ffd0a8}
.cap-full,.cap-partial{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:4px;vertical-align:middle}
.cap-full{background:#c8d2da}
.cap-partial{background:#d2691e}
.cap-warn{color:#a8410a}
.shared-note{font-size:12px;line-height:1.7;background:rgba(255,255,255,.14);border-left:3px solid #ffd0a8;border-radius:0 6px 6px 0;padding:10px 12px;margin-top:16px;color:#fff}
.cal-nav{display:flex;align-items:center;gap:4px;flex-shrink:0}
.calendar-heading .today-btn{flex:0 0 auto;width:auto;font-size:12px;line-height:1;white-space:nowrap;padding:0 14px;height:40px;margin-right:4px;border:1px solid var(--line);border-radius:8px;color:var(--blue);background:var(--surface)}
.calendar-heading .today-btn:hover{border-color:var(--teal);background:var(--teal-50)}
.foot-brand{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.map-link{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--blue);border:1px solid var(--line);border-radius:999px;padding:7px 14px;min-height:36px}
.map-link:hover{border-color:var(--teal);background:var(--teal-50)}
.foot-address{font-style:normal;font-size:12px;line-height:1.8;text-align:right;color:var(--ink-3)}
.foot-address a{color:var(--ink-2);border-bottom:1px solid var(--line)}
@media (max-width:780px){.foot-address{text-align:left}}