:root{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:#233830;background:#f4f6f3;font-synthesis:none;--green:#1e5748;--muted:#78877f;--line:#e2e8e2;--paper:#fff}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible{outline:3px solid #8ab59a;outline-offset:3px}button{border:1px solid var(--line);border-radius:8px;padding:10px 16px;background:#fff;color:inherit;transition:background .15s}button:hover{background:#f0f5ef}button.primary{background:var(--green);border-color:var(--green);color:white}button.primary:hover{background:#143f33}button.ghost{border-color:transparent;background:transparent}button.danger{color:#ac493f}.small{font-size:12px;padding:6px 10px}a{color:var(--green)}h1,h2,h3,p{margin:0}h1{font-size:29px;letter-spacing:-1px;font-weight:650}h2{font-size:18px;font-weight:600}h3{font-size:15px}p.sub{color:var(--muted);font-size:13px;line-height:1.8;margin-top:8px}.eyebrow{font-size:11px;letter-spacing:2px;color:#87968d;margin-bottom:13px}.shell{display:grid;grid-template-columns:224px minmax(0,1fr);min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:30px 18px;position:sticky;top:0;height:100vh}.brand{display:flex;gap:12px;align-items:center;padding:0 12px;margin-bottom:40px}.mark{background:var(--green);color:#fff;border-radius:12px;width:39px;height:39px;display:grid;place-items:center;font-size:21px}.brand strong{display:block;font-size:23px;letter-spacing:3px}.brand small{font-size:10px;letter-spacing:2px;color:var(--muted)}.nav-label{font-size:10px;color:#96a198;letter-spacing:2px;padding:0 14px;margin:20px 0 10px}.nav{display:flex;flex-direction:column;gap:5px}.nav button{text-align:left;border:0;background:transparent;padding:13px 15px;border-radius:8px;color:#6a7b70;font-size:13px;display:flex;align-items:center;gap:13px}.nav button.active{background:#eaf1eb;color:#204e3e;font-weight:600}.nav button:hover{background:#f2f5f1}.nav svg{width:18px;height:18px;flex-shrink:0}.sidebar-bottom{margin-top:auto;border-top:1px solid var(--line);padding:20px 10px 0}.avatar{width:34px;height:34px;border-radius:50%;background:#e8ede5;color:#57664b;display:grid;place-items:center;font-size:13px}.user-row{display:flex;gap:10px;align-items:center;margin-bottom:12px}.user-row strong{font-size:13px}.user-row small{display:block;font-size:11px;color:var(--muted);margin-top:3px}.workspace{padding:36px 44px;max-width:1600px;width:100%;margin:auto}.topline{display:flex;justify-content:space-between;align-items:center;margin-bottom:35px;font-size:12px;color:var(--muted)}.live{display:flex;align-items:center;gap:7px}.dot{width:6px;height:6px;background:#568968;border-radius:50%}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:27px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:27px}.stat{border:1px solid var(--line);border-radius:12px;background:white;padding:24px}.stat:first-child{background:#e9f0e7;border-color:#dce6d9}.stat-label{color:#6a7d6b;font-size:12px}.stat-value{font-size:30px;font-weight:600;letter-spacing:-1px;margin:13px 0 9px;font-variant-numeric:tabular-nums}.stat-note{color:#8b978c;font-size:11px}.panel{background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:22px}.panel-head{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line);gap:12px}.panel-head small{color:var(--muted);font-size:12px}.toolbar{display:flex;gap:12px;padding:18px 24px;flex-wrap:wrap}.toolbar input{flex:1;min-width:190px}.toolbar select{width:160px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;white-space:nowrap;text-align:left;font-size:12px}th{font-weight:500;color:#839084;background:#fafbf9;font-size:11px;padding:13px 24px;border-bottom:1px solid var(--line)}td{padding:19px 24px;border-bottom:1px solid #eef1eb;line-height:1.6}tr:last-child td{border-bottom:0}tbody tr:hover{background:#fcfdfb}td small{display:block;color:#8b978f;font-size:10px;margin-top:3px}td.money{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}.tag{font-size:11px;color:#577852;background:#eff4ec;border-radius:4px;padding:4px 7px;display:inline-block}.actions{display:flex;gap:6px;align-items:center}.empty{padding:65px 20px;text-align:center;color:var(--muted);font-size:13px;line-height:2}.empty strong{color:#435b49;display:block;font-size:16px;margin:12px}.empty svg{width:35px;height:35px;color:#9dad9c}.footnote{font-size:11px;color:#96a096;text-align:center;margin-top:28px;line-height:1.8}.form-body{padding:26px;max-width:900px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.full{grid-column:1/-1}label{display:block;font-size:12px;color:#536b5b}label>input,label>select,label>textarea{margin-top:9px}input,select,textarea{width:100%;background:#fff;border:1px solid #dce4db;border-radius:7px;padding:11px 12px;color:#263f31;outline:0;font-size:13px}input:focus,select:focus,textarea:focus{border-color:#699678;box-shadow:0 0 0 3px #eef4ec}input::placeholder,textarea::placeholder{color:#a0aaa1}textarea{resize:vertical;min-height:100px}.hint{font-size:11px;color:var(--muted);line-height:1.8;margin-top:7px}.checks{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}.check{display:flex;align-items:center;gap:8px;padding:10px 13px;border:1px solid var(--line);border-radius:7px;background:#fafbf9}.check input{width:15px;margin:0;accent-color:var(--green)}.check.busy{color:#a17b57;background:#fbf7f1}.form-footer{border-top:1px solid var(--line);padding-top:22px;margin-top:24px;display:flex;gap:12px;align-items:center}.form-footer .hint{margin-left:auto}.notice{background:#f0f5ed;border:1px solid #dce7d7;border-radius:8px;padding:14px 16px;font-size:12px;line-height:1.9;color:#58734e;margin-bottom:20px}.login{min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr}.login-story{background:#183d35;color:#eff3e8;padding:65px 12%;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}.login-story:after{content:'';width:480px;height:480px;border:1px solid #446458;border-radius:50%;position:absolute;bottom:-280px;right:-180px;box-shadow:0 0 0 70px #ffffff03,0 0 0 140px #ffffff03}.login-story .brand{padding:0;margin-bottom:90px}.login-story .mark{background:#dce7ce;color:#254536}.login-story .brand small{color:#a7b9ac}.login-story h1{font-size:46px;line-height:1.4;font-weight:500;letter-spacing:0}.login-story p{font-size:14px;line-height:2;color:#aebfb1;margin-top:25px;max-width:350px}.login-story .eyebrow{margin-top:65px;color:#93ab9c}.login-side{display:flex;align-items:center;justify-content:center;padding:45px}.login-card{width:100%;max-width:355px}.login-card h2{font-size:26px;margin-bottom:10px}.login-card form{margin-top:36px}.login-card label{margin-bottom:21px}.login-card button{width:100%;margin-top:9px}.login-card .hint{text-align:center;margin-top:25px}.login-error{color:#a4433e;font-size:12px;line-height:1.7;min-height:20px}.loading{padding:100px;text-align:center;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:13px;width:min(520px,calc(100% - 30px));padding:28px;color:#233830;box-shadow:0 20px 100px #183d3526}dialog::backdrop{background:#162c2566;backdrop-filter:blur(3px)}dialog h2{margin-bottom:24px}dialog label{margin-bottom:18px}dialog .buttons{display:flex;justify-content:flex-end;gap:9px;margin-top:25px}dialog .dialog-error{font-size:12px;color:#a4433e;line-height:1.8}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#243f32;color:#fff;border-radius:9px;padding:13px 22px;box-shadow:0 8px 30px #1a3b2920;font-size:13px;z-index:100;display:none;max-width:90%;line-height:1.7}#toast.show{display:block}.list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.card{padding:22px;background:white;border:1px solid var(--line);border-radius:10px}.card-top{display:flex;justify-content:space-between;align-items:center}.card p{font-size:12px;color:var(--muted);margin:10px 0 20px}.card .metric{font-size:12px;border-top:1px solid var(--line);padding-top:14px;display:flex;justify-content:space-between}.card .metric b{font-weight:600;color:#365c41}.split-title{display:flex;align-items:center;gap:9px}.count{background:#edf2e9;border-radius:5px;padding:2px 7px;font-size:11px;color:#758568}.history{max-height:350px;overflow:auto}.history-item{padding:14px 0;border-bottom:1px solid var(--line);font-size:12px;line-height:1.8}.history-item small{color:var(--muted);display:block} .mobile-brand{display:none}
@media(min-width:1500px){.workspace{padding:45px 65px}}@media(max-width:1100px){.shell{grid-template-columns:190px minmax(0,1fr)}.workspace{padding:25px}.sidebar{padding:25px 12px}.stat{padding:18px}td,th{padding:15px}}@media(max-width:760px){.shell{display:block}.sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:12px}.sidebar .brand,.nav-label,.sidebar-bottom{display:none}.nav{flex-direction:row;overflow:auto;gap:2px}.nav button{flex-shrink:0;padding:10px;font-size:12px;gap:6px}.nav svg{width:15px}.workspace{padding:24px 16px}.topline{margin-bottom:20px}.mobile-brand{display:block;color:#375441;font-weight:bold}.page-heading{align-items:flex-start}h1{font-size:25px}.stats{gap:8px}.stat{padding:14px 10px}.stat-value{font-size:22px}.stat-note{font-size:10px}.stat-label{font-size:11px}.form-grid,.list-grid{grid-template-columns:1fr}.full{grid-column:auto}.form-body{padding:20px}.form-footer{flex-wrap:wrap}.form-footer .hint{width:100%;margin:0}.panel-head,.toolbar{padding:17px}.login{grid-template-columns:1fr}.login-story{display:none}.login-side{min-height:100vh;padding:30px}.login-card:before{content:'行简 / TRAVEL';font-size:13px;letter-spacing:3px;color:#678168;display:block;margin-bottom:70px}.topline .live{display:none}}
.brand .mark{flex-shrink:0}.brand small{font-size:9px;letter-spacing:1px;white-space:nowrap}.page-heading>button{flex-shrink:0;white-space:nowrap}.page-heading>div{min-width:0}

/* Readability update: stronger contrast and comfortable default text sizes. */
:root{color:#172d24;--muted:#506158;font-size:16px}
.nav button,table,input,select,textarea,label,.small,.empty,.notice,.card p,.card .metric,.history-item{font-size:16px}
.nav button{color:#344c3e}.nav-label,.eyebrow{color:#55665c;font-size:13px}
p.sub,.topline,.stat-label,.stat-note,.panel-head small,.hint,td small,.user-row small,.footnote,.tag,.login-error,dialog .dialog-error{font-size:14px;color:#506158}
th{font-size:15px;color:#344b3e;font-weight:600}.stat-label{font-size:16px;color:#344b3e}.stat-note{color:#506158}
.stat-value{font-size:34px;color:#163c2b;overflow-wrap:anywhere}.user-row strong{font-size:16px}.tag{color:#30542e}
input::placeholder,textarea::placeholder{color:#68776d}.brand small{color:#506158}.login-story .brand small,.login-story p,.login-story .eyebrow{color:#cad9ce}
input,select,textarea{border-color:#a5b5a8;min-height:44px}.small{padding:8px 11px}.workspace{padding:30px;max-width:1800px}.shell{grid-template-columns:240px minmax(0,1fr)}
td,th{padding:17px 19px}.actions{gap:2px}.form-body{max-width:1050px}h2{font-size:21px}h3{font-size:18px}
.date-field{display:flex;gap:8px;margin-top:9px}.date-field input{min-width:0}.date-field button{white-space:nowrap;border-color:#a5b5a8}
.calendar-year{display:flex;align-items:flex-end;gap:12px}.calendar-year label{flex:1;margin:0}.calendar-year input{font-size:20px;text-align:center}.calendar-year>button{white-space:nowrap;min-height:48px}
.calendar-months{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin:18px 0}.calendar-months button{padding:10px 4px}
.calendar-title{text-align:center;margin:18px 0 12px}.calendar-days{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.calendar-days button{padding:9px 0;min-height:40px;font-size:16px}.calendar-days .weekday{text-align:center;font-size:14px;color:#506158;padding-bottom:8px}.calendar-days button:disabled{background:#eee;color:#8a8a8a;cursor:not-allowed}
.group-toggle{display:flex;gap:8px;flex-wrap:wrap}.toolbar{align-items:center}.toolbar select#summary-teacher{width:min(320px,100%)}tfoot th{background:#e7efe4;font-size:16px;color:#173a28}
.check{align-items:flex-start;max-width:100%}.check input{min-height:auto;flex-shrink:0;margin-top:4px}.check.busy{opacity:1;color:#763719;background:#fff6ed;border-color:#dba67d}
.resource-name{font-size:16px;font-weight:600}.resource-conflicts{display:block;font-weight:400;font-size:14px;color:#763719;line-height:1.8;margin-top:7px;white-space:normal;overflow-wrap:anywhere}.resource-conflicts>span{display:block;border-top:1px solid #e8cbb3;margin-top:7px;padding-top:7px}
.vehicle-conflicts{margin-top:14px;display:grid;gap:10px}.vehicle-conflict{background:#fff6ed;border:1px solid #dba67d;border-radius:8px;padding:14px;color:#763719;font-size:15px}.vehicle-conflict strong{font-size:16px}
#form-error{white-space:pre-line;color:#a02c26;margin-top:16px}.history-item small{color:#506158;font-size:14px}
@media(min-width:1500px){.workspace{padding:40px}}
@media(max-width:1100px){.shell{grid-template-columns:210px minmax(0,1fr)}.workspace{padding:22px}.stats{gap:10px}.stat{padding:18px}.stat-value{font-size:28px}}
@media(max-width:760px){.shell{display:block}.workspace{padding:22px 14px}.nav button{font-size:15px}.stats{grid-template-columns:1fr}.stat{padding:18px}.stat-value{font-size:30px;margin:8px 0}.stat-note,.stat-label{font-size:14px}.page-heading{flex-wrap:wrap}.panel-head{align-items:flex-start;flex-wrap:wrap}.form-grid{grid-template-columns:1fr}.calendar-year{gap:7px}.calendar-year>button{padding:9px}.check{width:100%}.group-toggle button{font-size:15px}.topline{font-size:14px}}