:root{font-family:system-ui,-apple-system,"Noto Sans TC",sans-serif;color:#402d24;background:#faf6f0;font-synthesis:none;--accent:#b94a2d;--accent-hover:#9e3c23;--line:#e9dfd5;--muted:#79685b;--peach:#f9e5d6;--paper:#fffdf9}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}[hidden]{display:none!important}a{color:var(--accent)}button:focus-visible,a:focus-visible{outline:3px solid #b94a2d;outline-offset:4px}.layout{min-height:100vh}main{max-width:1440px;margin:auto;padding:0 48px;min-height:100vh;display:flex;flex-direction:column}.site-header{display:flex;align-items:center;gap:32px;min-height:98px;border-bottom:1px solid var(--line);flex-wrap:wrap;padding:20px 0}.brand{display:flex;align-items:baseline;gap:14px;text-decoration:none;color:#4a2b1e;font-size:32px;letter-spacing:-1.5px;font-weight:800;flex-shrink:0}.brand span{font-weight:450;font-size:12px;letter-spacing:1px;color:var(--muted)}nav{display:flex;gap:24px;align-items:center;flex:1;justify-content:center}nav button{border:0;background:transparent;color:var(--muted);padding:14px 0;font-size:14px;white-space:nowrap;border-bottom:2px solid transparent}nav button[aria-current]{color:var(--accent);border-color:var(--accent);font-weight:650}#logout{margin-left:auto;font-size:12px}.eyebrow{font-size:12px;letter-spacing:1.5px;font-weight:600;color:var(--accent)}h1{font-size:clamp(30px,3.6vw,50px);line-height:1.5;letter-spacing:-1px;font-weight:650;margin:20px 0}h2{font-size:30px;line-height:1.4;letter-spacing:-.7px;margin:12px 0}h3{font-size:20px;font-weight:650;margin:0 0 10px}h4{font-size:16px;margin:28px 0 14px}.muted{color:var(--muted)}p.muted{font-size:14px;line-height:1.8;margin:0 0 24px}.hint{font-size:13px;line-height:1.9;color:var(--muted);margin:12px 0}.auth-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center;padding:54px 30px;flex:1}.auth-story{position:relative;align-self:stretch;display:flex;flex-direction:column;justify-content:center;padding:48px 36px;background:#f5e4d5;border-radius:28px;overflow:hidden;min-height:570px}.auth-story>p{font-size:15px;line-height:2;color:#775c48;z-index:1}.auth-story>small{font-size:12px;color:#775c48;margin-top:auto;z-index:1}.panel{width:100%;max-width:430px;margin:auto;padding:24px 0}.tabs{display:flex;background:#f0e8df;padding:5px;border-radius:12px;margin:28px 0}.tabs button{flex:1;border:0;padding:11px;border-radius:8px;background:transparent;color:var(--muted);font-size:14px}.tabs [aria-selected=true]{background:var(--paper);color:var(--accent);box-shadow:0 2px 5px #69452b0a}label{display:block;font-size:14px;font-weight:600;margin:20px 0}input,select{display:block;width:100%;min-width:0;margin-top:9px;padding:14px 16px;border:1px solid #d9cbbd;border-radius:10px;color:#402d24;background:#fffefa;outline:none;font-size:14px}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #b94a2d15}input[readonly]{background:#f3eee7;color:var(--muted)}.primary{display:flex;justify-content:space-between;align-items:center;width:100%;padding:15px 20px;border:0;border-radius:10px;background:var(--accent);color:white;font-size:14px;font-weight:600;margin-top:24px;transition:background .15s}.primary:hover{background:var(--accent-hover)}.quiet{border:1px solid #d9cbbd;background:#fffefa;color:#73523d;padding:10px 16px;border-radius:9px;font-size:13px;line-height:1.5}.quiet:hover:not(:disabled){background:#f7e9dd;border-color:#c88b6c}.google-button{width:100%;padding:14px;margin-top:0;font-weight:600}.auth-divider{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:12px;margin:24px 0}.auth-divider:before,.auth-divider:after{content:"";height:1px;background:var(--line);flex:1}.study-art{height:180px;position:relative;margin:8px 0 28px}.sun{position:absolute;right:40px;bottom:0;width:200px;height:200px;border-radius:50%;background:#edc3a4}.shelf{position:absolute;bottom:0;left:0;right:0;height:12px;border-radius:6px;background:#88684d}.books{position:absolute;bottom:12px;left:20px;width:130px}.books i{display:block;height:18px;border-radius:3px;background:#d79a71;margin-top:4px;border-right:14px solid #eddfca}.books i:nth-child(2){width:110px;margin-left:12px;background:#7c8670}.books i:nth-child(3){background:#b68860;width:120px}.cup{position:absolute;bottom:12px;left:175px;width:50px;height:55px;border-radius:4px 4px 18px 18px;background:#b96b43}.cup:after{content:"";position:absolute;right:-18px;top:10px;width:22px;height:28px;border:6px solid #b96b43;border-radius:50%}.plant{position:absolute;right:30px;bottom:12px;width:90px;height:165px}.plant:before{content:"";position:absolute;left:45px;top:15px;width:3px;height:130px;background:#65775f;transform:rotate(-5deg)}.plant i{position:absolute;width:32px;height:62px;background:#788973;border-radius:100% 0 100% 0;transform:rotate(-40deg);left:10px;top:40px}.plant i:nth-child(2){left:46px;top:7px;transform:rotate(12deg)}.plant i:nth-child(3){left:50px;top:65px;transform:rotate(20deg)}.plant i:nth-child(4){left:5px;top:95px;width:28px;height:44px}.plant b{position:absolute;bottom:0;left:24px;width:50px;height:47px;background:#d49c77;border-radius:4px 4px 16px 16px}
#dashboard{width:100%;margin:30px 0 0}.welcome-banner{display:flex;align-items:center;justify-content:space-between;min-height:172px;padding:28px 36px;background:#f6e6d8;border:1px solid #efdfd0;border-radius:20px;position:relative;overflow:hidden}.welcome-banner p.muted{margin-bottom:0}.banner-art{width:210px;height:120px;position:relative;flex-shrink:0}.banner-art:before{content:"";position:absolute;right:10px;top:0;width:145px;height:145px;background:#efd0b7;border-radius:50%}.banner-art span{position:absolute;font-size:60px;bottom:6px;right:34px;z-index:1}.banner-art i{position:absolute;bottom:7px;left:12px;width:80px;height:16px;background:#a79f84;border-radius:3px;border-right:10px solid #faf0df}.banner-art b{position:absolute;bottom:24px;left:18px;width:70px;height:12px;background:#c6926f;border-radius:3px;border-right:10px solid #faf0df}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.42fr);gap:24px;margin-top:26px;align-items:start}.profile-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:28px;min-width:0;box-shadow:0 5px 22px #6e452b03}.feature-card{margin:0}.card-heading{display:flex;align-items:center;gap:16px;padding-bottom:20px;border-bottom:1px solid var(--line)}.card-heading p.muted{margin:0;font-size:13px}.avatar{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;flex-shrink:0;background:var(--peach);color:#844b30;font-size:24px;font-weight:600}.summary{grid-column:1/-1;display:flex;justify-content:space-between;gap:24px;padding:24px 28px;background:#f3eadf;border:1px solid var(--line);border-radius:16px;font-size:14px}.summary strong{display:block;margin-top:8px;font-weight:550}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#73835c;margin-right:8px}#workspace[data-view=overview]>[data-section=profile],#workspace[data-view=overview]>[data-section=management]{display:none}#workspace[data-view=schedule]>[data-section=overview],#workspace[data-view=schedule]>[data-section=profile],#workspace[data-view=schedule]>[data-section=management]{display:none}#workspace[data-view=bookings]>[data-section]:not([data-section=bookings]),#workspace[data-view=profile]>[data-section]:not([data-section=profile]),#workspace[data-view=management]>[data-section]:not([data-section=management]){display:none}#workspace[data-view=bookings],#workspace[data-view=management]{grid-template-columns:1fr}#workspace[data-view=profile]{grid-template-columns:minmax(0,1fr) minmax(280px,.65fr);max-width:1050px}#booking-section>h3{margin-bottom:16px}.schedule-row{padding:20px;background:#fffefa;border:1px solid var(--line);border-radius:12px;margin-top:14px}.schedule-row>strong{font-size:16px;font-weight:650}.schedule-row>.hint{font-size:13px;margin:10px 0;line-height:1.8}.schedule-row>a{display:inline-block;padding:8px 0;margin:4px 16px 0 0;font-size:13px;text-underline-offset:4px;overflow-wrap:anywhere}.schedule-row .quiet{display:block;margin-top:14px;border-color:#dba98b;color:var(--accent);background:#fff6ee}#student-schedule>label{display:inline-block;width:min(100%,320px);margin-right:16px}#google-status{padding:12px 16px;background:#f8eee4;border-radius:10px;font-size:13px;overflow-wrap:anywhere}#slot-form{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}#create-slot{grid-column:1/-1;margin-top:8px}#teacher-slots,#available-slots,#booking-list{font-size:14px;line-height:1.8;color:#655346}#created-meeting a{display:block;padding:14px;background:#f8eee4;border-radius:10px;overflow-wrap:anywhere}#created-meeting:empty{display:none}#slot-status:empty,#schedule-status:empty,#status:empty{display:none}#slot-status,#schedule-status,#status{font-size:14px;line-height:1.8;color:#865336;overflow-wrap:anywhere}#status{margin:20px 0}#status.error{color:#a0322b}#user-management{grid-column:1/-1}.user-row{display:flex;align-items:center;gap:14px;padding:20px 0;border-bottom:1px solid var(--line)}.user-row>div{flex:1;min-width:0}.user-row strong,.user-row small{display:block;overflow-wrap:anywhere}.user-row strong{font-size:14px}.user-row small{font-size:12px;color:var(--muted);margin-top:6px}.user-row select{width:140px;margin-top:0}.pagination{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:22px;font-size:13px}#users-status{font-size:13px;color:var(--muted)}footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:22px 0;margin-top:auto;font-size:11px;color:var(--muted)}.signed-in footer{margin-top:40px}
@media(min-width:1600px){main{padding:0 64px}}@media(max-width:1100px){main{padding:0 28px}.site-header{gap:18px}.brand span{display:none}nav{gap:18px}.auth-layout{gap:40px;padding:38px 0}.auth-story{padding:36px 28px}.workspace{grid-template-columns:minmax(0,1fr) 300px}.profile-card{padding:22px}#slot-form{grid-template-columns:1fr;gap:0}.welcome-banner{padding:26px}}@media(max-width:800px){.site-header{min-height:80px}.brand{font-size:28px}nav{order:3;flex-basis:100%;justify-content:flex-start;overflow-x:auto;gap:26px}.auth-layout{gap:28px}.auth-story{min-height:540px;padding:28px 20px}.auth-story h1{font-size:30px}.study-art{transform:scale(.85);transform-origin:left bottom}.workspace,#workspace[data-view=profile]{grid-template-columns:1fr}.banner-art{width:145px}#slot-form{grid-template-columns:1fr 1fr}}@media(max-width:600px){main{padding:0 18px}.site-header{padding:18px 0;gap:14px}.brand span{display:block;font-size:10px}.brand{font-size:26px;gap:10px}.auth-layout{grid-template-columns:1fr;padding:28px 0;gap:24px}.auth-story{min-height:0;padding:26px;border-radius:18px}.auth-story h1{font-size:28px;margin:12px 0}.auth-story p{font-size:13px;margin-bottom:0}.auth-story>small,.study-art{display:none}.panel{padding:0 8px}h2{font-size:26px}.welcome-banner{padding:24px;min-height:155px}.welcome-banner .eyebrow{font-size:10px}.banner-art{display:none}.welcome-banner p.muted{font-size:13px}.workspace{gap:18px;margin-top:20px}.profile-card{padding:22px 18px}.summary{padding:20px;gap:12px;font-size:12px}#slot-form{grid-template-columns:1fr}.user-row{flex-wrap:wrap}.user-row>div{flex-basis:100%}.user-row select{flex:1}.schedule-row{padding:16px}footer{font-size:10px;flex-wrap:wrap;gap:8px}nav{gap:24px}nav button{font-size:13px}#dashboard{margin-top:22px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.slot-actions{display:flex;gap:12px;flex-wrap:wrap}.schedule-row .danger{color:#a0322b;border-color:#d5a599;background:#fffafa}