:root{--teal:#075b57;--teal-2:#0b756e;--mint:#d8f1e9;--cream:#fff7df;--sand:#f4c15d;--coral:#df775f;--ink:#173b3a;--muted:#637776;--line:#d8e2dd;--white:#fff;--danger:#b53a35;--shadow:0 18px 50px rgba(4,67,63,.12);font-family:Inter,"Noto Sans TC","Microsoft JhengHei",sans-serif;color:var(--ink);background:#f7faf8;color-scheme:light}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input{font:inherit}button{cursor:pointer}.hidden{display:none!important}.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(420px,1.3fr) minmax(380px,.7fr);background:var(--teal)}.login-copy{min-height:100vh;padding:clamp(28px,5vw,72px);color:var(--cream);background:linear-gradient(90deg,rgba(3,63,60,.72),rgba(3,63,60,.08)),url('/assets/beach-meeting-room-hero-v2.png') center/cover;display:flex;flex-direction:column;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.16em;font-size:.78rem}.brand-mark{display:grid;place-items:center;background:var(--sand);color:var(--teal);border-radius:8px;padding:8px 10px;letter-spacing:.08em}.hero-copy{max-width:610px;text-shadow:0 2px 16px rgba(0,0,0,.18)}.hero-copy h1{font-family:Georgia,"Noto Serif TC",serif;font-size:clamp(3rem,6vw,6.4rem);line-height:1.02;margin:.3em 0}.hero-copy>p:last-child{font-size:1.15rem}.eyebrow{font-size:.74rem;font-weight:800;letter-spacing:.18em;color:var(--coral)}.hero-note{font-weight:700}.login-panel{background:var(--cream);display:grid;place-items:center;padding:32px}.login-card{width:min(420px,100%)}.login-card h2{font-size:2rem;margin:.35rem 0}.muted{color:var(--muted);margin:.35rem 0}.login-card label,.login-card input{display:block;width:100%}.login-card label{font-weight:700;margin-top:24px}.login-card input,.date-card input,dialog input{margin-top:8px;padding:14px 15px;border:1px solid #baccc6;border-radius:12px;background:white;color:var(--ink);outline:none}.login-card input:focus,.date-card input:focus,dialog input:focus{border-color:var(--teal-2);box-shadow:0 0 0 4px rgba(11,117,110,.15)}.primary,.secondary{border:0;border-radius:12px;padding:13px 20px;font-weight:800;min-height:48px}.primary{background:var(--teal);color:white}.primary:hover{background:#064e4b}.secondary{background:#eef4f1;color:var(--teal)}.wide{width:100%;margin-top:28px}.demo{font-size:.8rem;color:var(--muted);text-align:center;line-height:1.7}.mobile-brand{display:none}.app{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:var(--teal);color:white;padding:28px 18px;display:flex;flex-direction:column}.sidebar nav{display:grid;gap:8px;margin-top:48px}.nav-item{border:0;background:transparent;color:inherit;min-height:48px;border-radius:12px;padding:12px 14px;display:flex;align-items:center;gap:12px;font-weight:700;text-align:left}.sidebar .nav-item{color:#d8efeb}.sidebar .nav-item:hover,.sidebar .nav-item.active{background:rgba(255,255,255,.13);color:white}.icon{width:21px;height:21px;display:inline-flex}.icon svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.sidebar-bottom{margin-top:auto;display:grid;grid-template-columns:42px 1fr 40px;align-items:center;gap:10px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15)}.sidebar-bottom small{display:block;color:#b7d7d2}.avatar{width:42px;height:42px;border-radius:50%;background:var(--sand);color:var(--teal);display:grid;place-items:center;font-weight:900}.icon-button{min-width:44px;min-height:44px;border:0;border-radius:12px;background:transparent;color:inherit;font-size:1.3rem}.content{margin-left:250px;padding:clamp(24px,4vw,56px);min-height:100vh}.page{max-width:1280px;margin:auto}.page-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}.page-heading h1{font-family:Georgia,"Noto Serif TC",serif;font-size:clamp(2rem,4vw,3.4rem);margin:.1em 0}.date-card{background:white;border:1px solid var(--line);border-radius:16px;padding:13px 16px;box-shadow:0 8px 24px rgba(4,67,63,.06)}.date-card label{display:block;font-size:.75rem;font-weight:800}.date-card input{border:0;padding:4px 0;margin-top:4px}.room-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.room-card{background:white;border:2px solid transparent;border-radius:18px;padding:20px;text-align:left;min-height:150px;box-shadow:0 8px 28px rgba(4,67,63,.07);transition:.2s transform,.2s border-color}.room-card:hover{transform:translateY(-3px)}.room-card.selected{border-color:var(--teal);background:#f4fbf8}.room-icon{width:44px;height:44px;border-radius:12px;background:var(--mint);color:var(--teal);display:grid;place-items:center;margin-bottom:18px}.room-card strong{display:block;font-size:1rem}.room-card small{display:block;color:var(--muted);margin-top:7px}.slot-card,.list-card{background:white;border:1px solid var(--line);border-radius:20px;padding:24px;margin-top:24px;box-shadow:0 8px 30px rgba(4,67,63,.06)}.section-title{display:flex;justify-content:space-between;align-items:start;gap:20px}.section-title h2,.list-card h2{margin:0}.badge{background:var(--mint);color:var(--teal);padding:7px 11px;border-radius:999px;font-size:.78rem;font-weight:800}.slot-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:24px}.slot{border:1px solid var(--line);background:white;color:var(--ink);border-radius:12px;min-height:50px;font-weight:700}.slot:hover:not(:disabled){border-color:var(--teal);background:var(--mint)}.slot:disabled{background:#f0f2f1;color:#9ba5a2;text-decoration:line-through;cursor:not-allowed}.list-row{display:grid;grid-template-columns:110px 1fr auto;gap:18px;align-items:center;padding:16px 0;border-bottom:1px solid #edf1ef}.list-row:last-child{border-bottom:0}.date-block{border-left:4px solid var(--sand);padding-left:12px}.date-block strong,.list-row strong{display:block}.date-block small,.list-row small{color:var(--muted)}.danger-link{border:0;background:#fff1ef;color:var(--danger);border-radius:10px;padding:10px 13px;font-weight:800}.empty{text-align:center;padding:44px;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stat{background:var(--teal);color:white;border-radius:18px;padding:22px}.stat:nth-child(2){background:var(--coral)}.stat:nth-child(3){background:#b98227}.stat strong{font-size:2rem;display:block}.admin-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px}.admin-grid .list-card{min-width:0}.toast{position:fixed;z-index:30;top:20px;left:50%;transform:translate(-50%,-130%);background:var(--ink);color:white;padding:12px 18px;border-radius:12px;box-shadow:var(--shadow);transition:.25s transform}.toast.show{transform:translate(-50%,0)}.toast.error{background:var(--danger)}dialog{border:0;border-radius:20px;padding:0;box-shadow:0 30px 90px rgba(0,0,0,.25);width:min(480px,calc(100% - 28px))}dialog::backdrop{background:rgba(5,45,43,.58);backdrop-filter:blur(4px)}dialog form{padding:28px;position:relative}dialog h2{margin:.3em 0}.dialog-close{position:absolute;right:16px;top:14px;border:0;background:transparent;font-size:1.8rem;min-width:44px;min-height:44px}.booking-summary{background:var(--cream);border-radius:14px;padding:16px;margin:20px 0;line-height:1.7}dialog label,dialog input{display:block;width:100%;font-weight:700}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.mobile-header,.bottom-nav{display:none}@media(max-width:1000px){.room-grid{grid-template-columns:repeat(2,1fr)}.slot-grid{grid-template-columns:repeat(3,1fr)}.admin-grid{grid-template-columns:1fr}}@media(max-width:760px){body{padding-bottom:72px}.login-shell{grid-template-columns:1fr;background:var(--cream)}.login-copy{display:none}.login-panel{min-height:100vh;padding:24px}.mobile-brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.13em;margin-bottom:48px}.sidebar{display:none}.mobile-header{display:flex;position:sticky;z-index:10;top:0;background:var(--teal);color:white;padding:12px 16px;justify-content:space-between;align-items:center}.content{margin-left:0;padding:24px 16px}.page-heading{align-items:stretch;flex-direction:column}.date-card{width:100%}.date-card input{width:100%}.room-grid{grid-template-columns:1fr 1fr;gap:10px}.room-card{padding:15px;min-height:142px}.slot-card,.list-card{padding:18px}.slot-grid{grid-template-columns:repeat(2,1fr)}.bottom-nav{display:flex;position:fixed;z-index:12;inset:auto 0 0;background:white;border-top:1px solid var(--line);padding:5px max(12px,env(safe-area-inset-right)) calc(5px + env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));justify-content:space-around}.bottom-nav .nav-item{color:var(--muted);flex-direction:column;gap:1px;min-width:70px;padding:5px}.bottom-nav .nav-item.active{color:var(--teal)}.list-row{grid-template-columns:1fr auto}.date-block{grid-column:1/-1}.stats{grid-template-columns:1fr}.hero-copy h1{font-size:3rem}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}@media(max-width:390px){.room-grid{grid-template-columns:1fr}.slot-grid{grid-template-columns:1fr 1fr}}