:root{--ink:#1a2535;--muted:#7b8494;--blue:#2563eb;--line:#e8edf3;--bg:#f6f7fb;--green:#1da783;--orange:#f59b47;--red:#f1c7c9;--shadow:0 14px 42px rgba(32,54,83,.06)}*{box-sizing:border-box}html{font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans",sans-serif;color:var(--ink);background:var(--bg)}body{margin:0}button,input,select{font:inherit}button{cursor:pointer;border:0;transition:filter .14s,transform .14s}button:hover:not(:disabled){filter:brightness(.97)}button:active:not(:disabled){transform:scale(.985)}button:disabled{cursor:not-allowed;opacity:.45}input,select{width:100%;min-height:42px;border:1px solid #e1e7f0;border-radius:11px;padding:10px 12px;color:var(--ink);background:white;outline:0}input:focus,select:focus{border-color:#7396e7;box-shadow:0 0 0 3px rgba(64,116,239,.08)}.hidden{display:none!important}.full-screen{min-height:100vh;display:grid;place-items:center;padding:20px}.auth{background:radial-gradient(circle at 18% 10%,#dfebff 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#f0f1f5;padding:10px 7px;text-align:left;background:#fff;display:flex;flex-direction:column;gap:7px;min-width:0;color:#44526a}.daycell:nth-child(7n){border-right:0}.daycell.muted{background:#fafbfd;opacity:.43}.daycell.chosen{background:#f0f6ff;box-shadow:inset 0 0 0 2px #80adfc}.daycell.today .number{background:#1f5bd9;color:#fff}.number{border-radius:8px;display:inline-flex;align-items:center;justify-content:center;min-width:27px;width:27px;height:27px;font-size:12px;font-weight:700}.daychips{display:flex;flex-direction:column;gap:4px;min-width:0}.chip{display:block;height:7px;border-radius:4px;opacity:.92;max-width:100%}.daycount{font-size:10px;color:#a4adba;margin-top:auto}.timeline-section{margin-top:30px}.timeline-header{align-items:flex-end}.legend{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.legend span{font-size:10px;color:#8994a2;display:flex;align-items:center;gap:5px}.dot{display:block;width:8px;height:8px;border-radius:3px}.dot.red{background:#d99198}.dot.green{background:#42bf9b}.dot.orange{background:#f3a44f}.dot.colored{background:#7770c8}.timeline-scroll{max-height:580px;overflow:auto}.timeline{padding:12px 18px 18px}.timeline-row{display:grid;grid-template-columns:53px 1fr;gap:12px;min-height:54px;align-items:center}.time-label{font-size:11px;color:#8b97a6;font-variant-numeric:tabular-nums}.slot{display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left;min-height:44px;border-radius:9px;padding:7px 12px;font-size:12px;font-weight:650;transition:transform .12s,background .12s}.slot .room{font-weight:500;opacity:.85;font-size:11px}.slot.closed{background:#fbf0f1;color:#c18a8e;cursor:not-allowed}.slot.open{background:#e5f7f0;color:#238e71}.slot.select{background:#dce9ff;color:#2458ca;box-shadow:inset 0 0 0 2px 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#e8edf3;border-radius:8px;padding:6px}.weekchecks input{min-height:auto;width:13px;margin:0}.weekly{margin:14px 0}.twocol{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:9px}.twocol label{font-size:11px;color:#8e99a7}.twocol select{margin-top:4px}.student-legend{display:flex;flex-direction:column;gap:8px}.student-legend .student-row{display:flex;align-items:center;gap:9px;font-size:12px}.student-legend .color{width:11px;height:11px;border-radius:4px}.footer{text-align:center;font-size:11px;color:#b2bcca;margin:20px 0 45px}.error{color:#c84f56;font-size:11px}.overlay{position:fixed;inset:0;background:rgba(22,34,51,.46);z-index:30;display:grid;place-items:center;padding:16px;backdrop-filter:blur(5px)}.modal{width:min(470px,100%);background:white;border-radius:20px;padding:28px;position:relative;box-shadow:0 22px 80px rgba(10,35,66,.23);max-height:90vh;overflow:auto}.modal h2{font-size:20px;margin-bottom:8px}.modal p{color:#8993a4;font-size:12px;line-height:1.7}.modal-close{position:absolute;right:14px;top:11px;width:32px;height:32px;background:#f4f6f9;border-radius:10px;font-size:20px;color:#7e8b9a}.modal .field-label{margin-top:13px}.modal .actionrow{display:flex;gap:9px;margin-top:18px}.modal .actionrow>*{flex:1}.danger{background:#e15d65;color:white}.details{padding:13px;background:#f7f9fc;border-radius:12px;font-size:13px;line-height:1.9}.toast{position:fixed;left:50%;bottom:25px;transform:translateX(-50%);background:#273952;color:white;padding:12px 18px;border-radius:11px;box-shadow:0 12px 30px #1c365a26;font-size:13px;z-index:40;width:max-content;max-width:min(90vw,450px)}
@media(max-width:1080px){.layout{grid-template-columns:minmax(0,1fr) 285px;gap:16px;padding:22px 15px}.sidecard{padding:16px}.topbar{padding:12px 16px}.overview{gap:8px}.metric{padding:13px}.legend{max-width:250px}}
@media(max-width:820px){.layout{grid-template-columns:1fr;padding:16px 12px}.sidebar{grid-row:1}.page-title h1{font-size:23px}.page-title{flex-wrap:wrap}.page-title p{font-size:12px}.overview{grid-template-columns:repeat(4,1fr)}.metric{padding:10px 7px}.metric strong{font-size:24px}.metric small,.metric span{font-size:9px}.sidecard{padding:17px}.sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.sidebar .sidecard:first-child{grid-row:span 3}.daycell{min-height:73px;padding:5px}.daycount{font-size:9px}.monthpanel{border-radius:13px}.timeline-scroll{max-height:520px}}
@media(max-width:580px){.clockbadge{display:none}.topbar{padding:9px 12px}.toolbar{gap:4px}.brand .eyebrow{font-size:8px}.brand strong{font-size:13px}.toolbar .outline{font-size:10px;padding:8px}.page-title{margin-bottom:15px}.page-title h1{font-size:22px}.layout{gap:14px}.sidebar{display:flex;grid-row:2}.metric strong{font-size:23px}.metric span{min-height:23px}.grid-head h2,.timeline-header h2{font-size:16px}.grid-head p{font-size:10px}.overview{margin-bottom:22px}.daycell{min-height:66px}.number{font-size:11px;width:23px;height:23px;min-width:23px}.weekdays span{font-size:10px;padding:11px 0}.chip{height:5px}.daycount{font-size:9px}.timeline-header{flex-direction:column;align-items:flex-start}.legend{max-width:none;justify-content:flex-start}.timeline{padding:8px 10px}.timeline-row{gap:4px;grid-template-columns:41px 1fr;min-height:48px}.slot{font-size:11px;padding:6px 9px;min-height:41px}.slot .room{font-size:9px}.timeline-scroll{max-height:520px}.date-nav strong{min-width:105px}.footer{margin:18px 0}}

.csv-import{margin:15px 0;border:1px solid #edf0f5;border-radius:12px;padding:10px}.csv-import summary{font-size:12px;font-weight:700;cursor:pointer}.csv-import input{margin-top:8px;font-size:11px}.csv-import .hint{white-space:pre-wrap;overflow-wrap:anywhere}

/* Win11 v0.3.1 login usability */
.auth-card .password-help{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:11px;color:#687487;margin-top:-4px}.auth-card .reveal-option{display:flex;gap:5px;align-items:center;font-size:11px;white-space:nowrap;cursor:pointer}.auth-card .reveal-option input{width:16px;min-height:16px;height:16px;padding:0}.auth-card .auth-recover{font-size:11px;color:#64748b;margin:12px 0 0;line-height:1.65}

/* v0.4.1: explicit free/full day state, visible even when selected. */
.monthgrid .daycell.day-free{background:#e6f8ee;color:#166f4e;box-shadow:inset 0 0 0 1px #b4e7c8}
.monthgrid .daycell.day-full{background:#fcebed;color:#aa3d49;box-shadow:inset 0 0 0 1px #f6c3ca}
.monthgrid .daycell.day-free .daycount{color:#17734e;font-weight:700}
.monthgrid .daycell.day-full .daycount{color:#b64a59;font-weight:700}
.monthgrid .daycell.chosen{outline:3px solid #2567df;outline-offset:-3px}
.monthgrid .daycell.today .number{background:#1f5bd9;color:white}
#exitManagerButton{border:1px solid #e4aab0;color:#9f3441;background:#fff3f4}

/* v0.5.7: private teacher revenue dashboard */
.income-panel{margin:10px 0 28px;display:grid;gap:17px}
.income-header,.income-row-title{display:flex;justify-content:space-between;align-items:center;gap:15px}
.income-header h2{font-size:23px;margin:6px 0}.income-header p,.income-row-title p,.income-card p{font-size:12px;color:#8290a0;line-height:1.6;margin:5px 0}
.income-badge{background:#f0f5ff;color:#2f5f9e;font-weight:800;padding:8px 12px;border-radius:11px;white-space:nowrap}
.income-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.income-stat{background:white;border:1px solid #e9edf3;border-radius:15px;padding:17px;display:flex;flex-direction:column;gap:6px;min-width:0}
.income-stat small{font-size:12px;color:#77869a}.income-stat strong{font-size:25px;letter-spacing:-.65px;font-variant-numeric:tabular-nums}.income-stat span{font-size:11px;color:#99a5b4}
.income-stat.special{background:#f4f8ff;border-color:#d7e5ff}.income-stat.special strong{color:#2765d6}
.income-card{background:white;border:1px solid #e9edf3;border-radius:18px;padding:21px;box-shadow:var(--shadow)}.income-card h3{font-size:17px;margin:0 0 2px}
.income-donut-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:22px;align-items:center;margin-top:12px}.income-donut{max-width:245px;margin:auto;width:100%;aspect-ratio:1}.income-donut svg{display:block;width:100%;height:auto}
.income-bars{display:grid;gap:16px}.income-bar-line .income-bar-top{display:flex;justify-content:space-between;font-size:12px;gap:8px;align-items:center}.income-bar-line strong{font-variant-numeric:tabular-nums}.income-bar-line i{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:6px}.income-bar-track{background:#edf2f7;border-radius:20px;height:10px;overflow:hidden;margin-top:9px}.income-bar-fill{height:100%;border-radius:20px;min-width:0}
.income-hint{font-size:11px!important;color:#a06b2e!important;margin-top:16px!important}
.income-weekdays{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));margin-top:18px;border:1px solid #e9edf3;border-bottom:0;border-radius:12px 12px 0 0;overflow:hidden}.income-weekdays span{font-size:12px;text-align:center;background:#f8fafc;padding:9px 0;color:#8794a7}
.income-calendar{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border-top:1px solid #e9edf3;border-left:1px solid #e9edf3}.income-day{min-height:95px;border-right:1px solid #e9edf3;border-bottom:1px solid #e9edf3;background:#fff;text-align:left;padding:10px;display:flex;flex-direction:column;gap:8px;min-width:0}.income-day:hover:not(:disabled){background:#ecf6ff}.income-day.zero{background:#fafbfd}.income-day.blank{background:#f8fafc;cursor:default}.income-day .income-daynum{font-weight:800;color:#65748b;font-size:13px}.income-day .income-dayamount{font-size:15px;font-weight:800;color:#1e946f;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-variant-numeric:tabular-nums}.income-day .income-daycount{font-size:10px;color:#9eaab6}
.income-year{max-width:108px;min-height:36px}.income-year-chart{overflow-x:auto;padding-top:14px}.income-year-chart svg{display:block;min-width:670px;width:100%;height:auto}
.income-legend{display:flex;flex-wrap:wrap;gap:14px;font-size:11px;color:#718098;justify-content:center;margin-top:14px}.income-legend i{display:inline-block;width:10px;height:10px;margin-right:5px;border-radius:2px}
.income-details{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px solid #edf0f5;font-size:12px}.income-details strong{white-space:nowrap}
.income-class-row{display:grid;grid-template-columns:1fr 120px;align-items:center;gap:8px;margin:9px 0;font-size:12px}.income-class-row select{min-height:34px;padding:7px}
@media(max-width:820px){.income-summary{grid-template-columns:repeat(2,minmax(0,1fr))}.income-donut-layout{grid-template-columns:180px 1fr}}
@media(max-width:580px){.income-header{align-items:flex-start}.income-stat{padding:12px}.income-stat strong{font-size:19px}.income-stat span{font-size:10px}.income-card{padding:12px}.income-donut-layout{grid-template-columns:1fr;gap:7px}.income-donut{max-width:185px}.income-day{min-height:72px;padding:7px 5px;gap:6px}.income-day .income-dayamount{font-size:11px}.income-day .income-daynum{font-size:12px}.income-day .income-daycount{font-size:9px}.income-row-title{align-items:flex-start}}

/* Past dates stay readable and selectable for historical course management. */
.monthgrid .daycell.day-past{background:#eceef1;color:#737b87;box-shadow:inset 0 0 0 1px #d9dde3}
.monthgrid .daycell.day-past.chosen{background:#e4e7ec;box-shadow:inset 0 0 0 2px #848d9b}
.monthgrid .daycell.day-past .daycount,.monthgrid .daycell.day-past .number{color:#737b87}
.monthgrid .daycell.day-past .chip{background:#9ba3af!important}

.office-batch{margin-top:14px;padding:14px;border:1px solid #e0e6ed;border-radius:12px}.office-batch .hint{overflow-wrap:anywhere;margin:6px 0}#officeBatches{max-height:560px;overflow:auto}