:root{--blue:#0d4f8b;--blue2:#1767a8;--bg:#f3f6f9;--line:#d8e0e8;--text:#1c2733;--muted:#667789;--green:#198754;--red:#c93636;--orange:#b56a00}
*{box-sizing:border-box}body{margin:0;font-family:"Yu Gothic","Meiryo",system-ui,sans-serif;color:var(--text);background:var(--bg)}a{color:var(--blue2);text-decoration:none}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;border:1px solid #bcc9d5;border-radius:7px;padding:10px 12px;background:#fff}.topbar{height:62px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:20}.brand{font-size:20px;font-weight:800}.brand span{font-size:14px;font-weight:500;margin-left:14px;opacity:.9}.toplinks a{color:#fff}.layout{display:flex;min-height:calc(100vh - 62px)}.sidebar{width:220px;background:#fff;border-right:1px solid var(--line);padding:18px 12px;position:fixed;top:62px;bottom:0}.sidebar a{display:block;padding:12px 14px;border-radius:7px;margin-bottom:5px;color:#31465a;font-weight:700}.sidebar a:hover{background:#eaf2f9;color:var(--blue)}.content{margin-left:220px;padding:26px;min-width:0;width:calc(100% - 220px)}.pagehead{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.pagehead h1{margin:0;font-size:28px}.muted{color:var(--muted)}.panel{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:20px;box-shadow:0 1px 2px rgba(0,0,0,.03);overflow:auto}.panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.panel h2,.panel-title h2{font-size:19px;margin:0 0 12px}.panel-title h2{margin:0}.cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:20px}.cards.three{grid-template-columns:repeat(3,1fr)}.metric{background:#fff;border:1px solid var(--line);border-radius:10px;padding:17px}.metric span{display:block;color:var(--muted);font-weight:700;font-size:13px}.metric strong{display:block;margin-top:8px;font-size:24px;color:#173d60}.metric small{display:block;margin-top:4px;color:var(--green)}.smallstrong{font-size:18px!important}.attention{border-left:5px solid #e1a000}.badge{display:inline-block;padding:4px 9px;border-radius:12px;background:#e7f0f8;color:#194f7b;font-size:12px;font-weight:800;white-space:nowrap}.badge.danger{background:#fff0f0;color:#b32222}.flash{padding:12px 15px;border-radius:8px;margin-bottom:14px;font-weight:700}.flash.success{background:#eaf8ef;color:#176a39}.flash.error{background:#fff0f0;color:#a92626}.btn{display:inline-block;border:1px solid #b8c5d0;background:#fff;color:#23435f;border-radius:7px;padding:9px 14px;font-weight:800;cursor:pointer}.btn.primary{background:var(--blue2);border-color:var(--blue2);color:#fff}.btn.success{background:var(--green);border-color:var(--green);color:#fff}.btn.danger{background:var(--red);border-color:var(--red);color:#fff}.btn.full{width:100%;text-align:center}.btn.small{padding:5px 9px;font-size:12px}.btn:disabled{opacity:.45;cursor:not-allowed}table{width:100%;border-collapse:collapse;font-size:14px}th,td{border-bottom:1px solid #e2e8ee;padding:10px 9px;text-align:left;vertical-align:middle}th{background:#f6f8fa;color:#42576b;white-space:nowrap}tbody tr:hover{background:#fafcff}.filterbar{display:flex;gap:10px;background:#fff;border:1px solid var(--line);padding:12px;border-radius:9px;margin-bottom:16px}.filterbar input[type=text],.filterbar input:not([type]){flex:1}.inline{display:flex;align-items:center;gap:6px;white-space:nowrap}.inline input{width:auto}.formpanel{max-width:920px}.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.formgrid label,.stack label{font-weight:700}.formgrid label input,.formgrid label select,.formgrid label textarea,.stack label input,.stack label select,.stack label textarea{margin-top:6px;font-weight:400}.wide{grid-column:1/-1}.actions{text-align:right}.req{font-size:11px;color:#fff;background:#d54444;padding:2px 5px;border-radius:4px;margin-left:6px}.twocol{display:grid;grid-template-columns:1fr 1fr;gap:18px}.stack{display:grid;gap:12px}.compact-form{display:grid;grid-template-columns:repeat(4,minmax(120px,1fr));gap:8px;margin-bottom:14px}.compact-form .btn{min-height:42px}.progressbar{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-bottom:16px}.progressbar span{text-align:center;background:#eef4f9;padding:10px 6px;border-radius:7px;font-weight:800;color:#35536d}.receivable{display:flex;gap:16px;align-items:baseline;background:#f4f8fc;padding:13px;border-radius:8px;margin-bottom:10px}.receivable strong{font-size:24px}.receivable em{font-style:normal;color:var(--muted)}.danger-zone{border-color:#efc5c5}.inlineform{display:flex;gap:10px}.login-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#e9f1f7,#f7f9fb)}.login-card{width:min(420px,90vw);background:#fff;padding:32px;border-radius:14px;border:1px solid var(--line);box-shadow:0 8px 30px rgba(20,57,88,.12)}.login-card h1{margin:0;color:var(--blue);font-size:30px}.login-card p{color:var(--muted);margin:4px 0 24px}.login-card label{display:block;font-weight:700;margin:14px 0}.login-card input{margin-top:7px}
/* tablet */
.tablet-body{background:#eef3f7;min-height:100vh;overflow-x:hidden}.tablet-header{background:var(--blue);height:82px;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 30px}.tablet-header strong{font-size:28px}.tablet-header span{font-size:18px;margin-left:18px}.tablet-header #clock{font-size:18px;font-weight:700}.tablet-main{max-width:1100px;margin:0 auto;padding:20px 28px 34px}.scan-step{display:flex;align-items:center;gap:12px;margin:10px 0 7px}.scan-step b{font-size:23px}.scan-step p{margin:2px 0 0;color:#5c6c7a;font-size:17px}.stepno{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--blue2);color:#fff;font-size:20px;font-weight:900}.tablet-card{display:grid;grid-template-columns:130px 180px 100px 1fr;align-items:center;background:#fff;border:2px solid #c9d7e3;border-radius:12px;padding:14px 18px;min-height:86px}.tablet-card span{color:#647687;font-size:17px}.tablet-card strong{font-size:25px}.tablet-select{height:62px;font-size:24px;font-weight:800;border:2px solid #aebfcd}.scanner-input{position:absolute;opacity:0;pointer-events:none}.tablet-actions{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:24px}.tablet-btn{height:105px;border:0;border-radius:14px;color:#fff;font-size:36px;font-weight:900;box-shadow:0 5px 0 rgba(0,0,0,.12)}.tablet-btn.start{background:#16844b}.tablet-btn.end{background:#c94040}.tablet-message{margin-top:18px;background:#eaf2f8;border:1px solid #c0d3e1;padding:15px;text-align:center;border-radius:9px;font-size:19px;font-weight:800}.tablet-message.error{background:#fff0f0;color:#a91f1f}.modal{position:fixed;inset:0;background:rgba(20,33,44,.65);display:grid;place-items:center;padding:20px;z-index:50}.modal.hidden{display:none}.modal-card{width:min(760px,95vw);background:#fff;border-radius:16px;padding:28px}.modal-card h2{font-size:28px;margin-top:0}.hours-row{display:flex;align-items:center;gap:14px}.hours-row input{font-size:42px;text-align:center;height:80px}.hours-row span{font-size:26px;font-weight:800}.modal-actions{display:grid;grid-template-columns:1fr 2fr;gap:14px;margin-top:20px}.modal-actions .btn{height:64px;font-size:20px}
@media(max-width:1100px){.cards{grid-template-columns:repeat(3,1fr)}.twocol{grid-template-columns:1fr}.compact-form{grid-template-columns:repeat(2,1fr)}}
@media(max-width:800px){.sidebar{display:none}.content{margin-left:0;width:100%;padding:14px}.cards,.cards.three{grid-template-columns:1fr 1fr}.formgrid{grid-template-columns:1fr}.wide{grid-column:auto}.topbar{padding:0 12px}.brand span{display:none}.tablet-header{height:70px;padding:0 18px}.tablet-header strong{font-size:23px}.tablet-header span{font-size:15px}.tablet-main{padding:14px}.tablet-card{grid-template-columns:110px 1fr}.tablet-actions{gap:12px}.tablet-btn{font-size:29px;height:90px}}


/* v0.4 tablet: use the whole browser viewport and keep the work UI centered */
.tablet-body{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}
.tablet-header{width:100%;flex:0 0 auto}
.tablet-main{width:100%;max-width:1200px;flex:1;margin:auto;display:flex;flex-direction:column;justify-content:center;padding:18px 28px 26px}
@media (orientation:landscape) and (min-width:801px){
 .tablet-main{padding-top:12px;padding-bottom:18px}
 .scan-step{margin:6px 0 5px}
 .tablet-card{min-height:76px;padding:10px 18px}
 .tablet-actions{margin-top:16px}
 .tablet-btn{height:88px}
 .tablet-message{margin-top:12px;padding:11px}
}
@media(max-width:800px){
 .tablet-body{min-height:100dvh}
 .tablet-main{width:100%;max-width:none;justify-content:center;padding:10px 14px 18px}
}
.tablet-back{display:inline-block;margin-right:18px;color:#fff;text-decoration:none;font-weight:700;padding:8px 12px;border:1px solid rgba(255,255,255,.65);border-radius:8px}.tablet-back:hover{background:rgba(255,255,255,.12)}