:root{--ink:#402d37;--muted:#786a72;--accent:#ac365e;--rose:#f7e8ee;--gold:#b48643;--line:#eadfe4;--paper:#fff;--bg:#faf7f9}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 'Yu Gothic','Meiryo',sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer;border:1px solid transparent;border-radius:8px;padding:10px 18px;color:white;background:var(--accent);font-weight:600}button:hover{filter:brightness(.94)}button:disabled{opacity:.45;cursor:not-allowed}button.secondary{background:white;border-color:var(--line);color:var(--ink)}button.plain{background:none;color:var(--muted);padding:5px 12px}button.danger{background:#fff0f0;color:#a2253b}button.small{font-size:14px;padding:6px 10px}a{color:var(--accent)}input,select,textarea{width:100%;padding:10px 12px;background:#fff;border:1px solid #d6c6ce;border-radius:7px;color:var(--ink);min-height:44px}textarea{min-height:140px;resize:vertical}label{display:block;font-size:14px;font-weight:600;margin:12px 0}label input,label select,label textarea{margin-top:6px}*:focus-visible{outline:3px solid #ab7b32;outline-offset:3px}aside{width:232px;position:fixed;inset:0 auto 0 0;background:white;border-right:1px solid var(--line);padding:30px 20px;display:flex;flex-direction:column}.brand{text-align:center;font:64px/1.1 Georgia,serif;color:var(--accent);letter-spacing:6px}.brand small{display:block;font:11px/2.5 Georgia,serif;letter-spacing:3px;color:var(--gold)}.workspace{font-size:11px;letter-spacing:1.5px;color:var(--muted);margin:40px 10px 16px}nav{display:grid;gap:6px}nav button{text-align:left;color:var(--muted);background:none;font-size:15px;padding:12px}nav button.active{background:var(--rose);color:var(--accent)}nav button span{display:inline-block;width:28px}.sidebottom{margin-top:auto;padding-top:24px;border-top:1px solid var(--line)}.sidebottom small{font-size:12px;color:var(--muted);display:block;margin-top:10px}.line{font-size:14px;color:#177243;text-decoration:none}main{margin-left:232px;padding:22px 38px 10px;max-width:1660px}.notice{border:1px solid #e9d8b8;color:#705627;background:#fffaf0;border-radius:8px;padding:10px 14px;font-size:13px}.notice strong{margin-right:12px}header{display:flex;justify-content:space-between;align-items:center;margin:30px 0 25px;gap:20px}.eyebrow{color:var(--gold);font-size:12px;letter-spacing:2px}h1{font-size:28px;font-weight:600;margin:4px 0}h2{font-size:19px;margin:0 0 18px;font-weight:600}h3{font-size:16px;margin:0 0 8px}.monthlabel{display:flex;align-items:center;gap:12px;white-space:nowrap}.monthlabel input{width:172px;margin:0}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:26px}.stat{background:white;border:1px solid var(--line);border-radius:12px;padding:20px;position:relative}.stat:before{content:'';display:block;width:24px;border-top:2px solid var(--gold);margin-bottom:14px}.stat .value{font:38px/1.3 Georgia,serif;margin:10px 0;color:var(--accent)}.stat .value small{font:14px 'Yu Gothic',sans-serif;margin-left:6px;color:var(--muted)}.muted{color:var(--muted);font-size:14px}.panel{background:white;border:1px solid var(--line);border-radius:12px;padding:24px;margin-bottom:20px}.panelhead{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:16px}.panelhead h2{margin:0}.grid2{display:grid;grid-template-columns:1.55fr 1fr;gap:20px}.toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}.toolbar label{margin:0;min-width:150px}.toolbar select,.toolbar input{max-width:240px}.tablewrap{overflow:auto}table{width:100%;border-collapse:collapse;white-space:nowrap;text-align:left;font-size:14px}th{background:#faf7f9;color:var(--muted);font-weight:500}th,td{padding:15px 13px;border-bottom:1px solid var(--line)}td small{display:block;font-size:12px;color:var(--muted)}td strong{font-weight:600}td button{margin:2px}.pill{display:inline-block;border-radius:30px;padding:3px 10px;font-size:12px;background:#f1edf5;color:#665177}.pill.green{background:#eaf4ee;color:#28613f}.pill.gold{background:#fff3dd;color:#815e23}.pill.rose{background:var(--rose);color:var(--accent)}.empty{padding:34px 20px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:9px}.week{display:grid;grid-template-columns:repeat(7,minmax(140px,1fr));gap:10px;min-width:1100px}.dayhead{padding:12px;text-align:center;font-size:14px;border-bottom:2px solid var(--line);margin-bottom:12px}.dayhead b{display:block;font:24px Georgia,serif}.lesson{padding:14px 12px;border-radius:9px;background:#f2ebf6;border-left:3px solid #b08bbd;margin-bottom:10px}.lesson.kids{background:#fdebf0;border-color:#d98eaa}.lesson.pilates{background:#fff2df;border-color:#dca14f}.lesson.junior{background:#eaf1fa;border-color:#7fa7d4}.lesson h3{font-size:14px}.lesson .time{font-size:14px;font-weight:700;margin-bottom:5px}.lesson button{width:100%;margin-top:9px;background:white;color:var(--ink);font-size:13px;padding:6px;border-color:#ded2db}.summaryline{padding:12px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:14px}.actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.progress{height:5px;background:#eee4e9;border-radius:4px;overflow:hidden;width:100px;margin-top:7px}.progress i{display:block;height:100%;background:var(--accent)}.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}.callout{padding:16px;background:var(--rose);border-radius:8px;font-size:14px}.report{padding:16px 0;border-bottom:1px solid var(--line)}.report p{white-space:pre-wrap}.message{white-space:pre-wrap;background:#faf7f9;padding:18px;border:1px solid var(--line);border-radius:9px;font-size:14px}.helper{font-size:13px;color:var(--muted)}footer{margin:30px 0 10px;font-size:12px;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:14px;padding:26px;width:min(570px,calc(100vw - 30px));max-height:90vh;color:var(--ink)}dialog::backdrop{background:#30222b66}dialog h2{margin:0}.modalhead{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}#formError{color:#a2253b;font-size:14px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#402d37;color:white;padding:12px 24px;border-radius:10px;display:none;z-index:10;max-width:90vw}.mobilehint{display:none}@media(max-width:1050px){aside{width:190px;padding:25px 12px}main{margin-left:190px;padding:18px 22px}.cards{grid-template-columns:1fr 1fr}.grid2{grid-template-columns:1fr}}@media(max-width:680px){aside{position:relative;width:auto;padding:16px;display:block;border-right:0;border-bottom:1px solid var(--line)}.brand{text-align:left;font-size:38px}.brand small{display:inline-block;font-size:9px;letter-spacing:2px;margin-left:10px}.workspace,.sidebottom{display:none}nav{display:flex;overflow-x:auto;margin-top:16px;gap:3px}nav button{white-space:nowrap;font-size:14px;padding:9px 12px}nav button span{display:none}main{margin:0;padding:16px}header{align-items:flex-start;margin-top:22px;flex-direction:column;gap:4px}h1{font-size:25px}.eyebrow{font-size:11px}.cards{gap:10px}.stat{padding:15px}.stat .value{font-size:30px}.panel{padding:16px}.split{grid-template-columns:1fr}.notice{font-size:12px}.toolbar{align-items:stretch}.toolbar label{flex:1}.mobilehint{display:block;font-size:12px;color:var(--muted)}}

.login{max-width:520px;margin:50px auto;padding:20px}.login .brand{margin-bottom:30px}.login .panel{margin-top:28px}#loginError,#modalError{color:#a2253b}.notificationbody{white-space:pre-wrap;min-width:230px;max-width:380px}.callout{margin-bottom:20px}#content>.panel{margin-top:20px}@media(max-width:680px){.login{margin:20px auto}.login .brand{text-align:center}}
/* ViVi 2: mobile-first operational screens */
:root{--ink:#392e35;--muted:#756570;--accent:#a84865;--gold:#99794e;--rose:#f9eef1;--line:#eadfe3}
body{background:#faf7f5;font-family:'Yu Gothic UI','Hiragino Kaku Gothic ProN',sans-serif;line-height:1.65}
aside{background:#fffdfb;width:250px;padding:32px 22px}main{margin-left:250px;max-width:1500px;padding:28px 40px}
.brand{color:#a84865;font-weight:400}.workspace{margin-top:24px;font-size:13px;letter-spacing:.5px}
nav button{border-radius:12px;font-weight:600;padding:13px 14px}nav button.active{box-shadow:inset 3px 0 var(--accent)}
header{flex-wrap:wrap;gap:16px}header>div{margin-right:auto}h1{font-size:30px;letter-spacing:.02em}h2{font-size:20px}
.panel,.stat{border-radius:18px;box-shadow:0 4px 24px #60434b05}.panel{padding:28px}.stat{padding:22px}.stat .value{font-size:42px}
button{min-height:44px;border-radius:10px;font-weight:600}button:disabled{opacity:.5;cursor:not-allowed}
.callout{border-left:3px solid #c494a4;background:#f7edf0;padding:16px 20px}
th{font-size:13px;letter-spacing:.03em}td{padding-top:18px;padding-bottom:18px}td small{margin-top:4px}
.login{margin:8vh auto;max-width:500px}.login .panel{padding:32px}.login h1{font-size:25px}.login button[type=submit]{width:100%;margin-top:12px}
.empty{background:#fffcfa;padding:32px 20px}.empty p{white-space:normal;max-width:600px;margin:12px auto 20px}
footer{line-height:1.8}.notice{background:#fffdf8}.monthlabel input{background:white}#toast{max-width:92vw;white-space:normal}
@media(max-width:1000px){aside{width:210px}main{margin-left:210px;padding:22px}}
@media(max-width:680px){aside{width:auto;padding:18px;position:relative}.brand{font-size:40px}.workspace{display:block;margin:8px 0}.sidebottom{display:block;margin-top:12px;padding-top:12px}.sidebottom .helper{display:none}.sidebottom{display:flex;align-items:center;justify-content:space-between;gap:8px}main{margin:0;padding:16px}header{flex-direction:row;align-items:center}header>div{width:100%}h1{font-size:26px}header>#refresh{font-size:13px}.monthlabel{font-size:12px;gap:8px}.monthlabel input{width:145px}.panel{padding:18px;border-radius:14px}.stat .value{font-size:34px}nav{padding-bottom:6px}.login{margin:24px auto}.login .panel{padding:22px}}