:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#18302d;background:#f4f7f6;--teal:#0d7569;--teal2:#0a5f56;--ink:#173b36;--muted:#71817c;--line:#dfe8e5;--cream:#fbfaf6}*{box-sizing:border-box}body{margin:0;background:#f4f7f6}button,input,select,textarea{font:inherit}button{cursor:pointer}.center{min-height:100vh;display:grid;place-items:center}.spinner{width:44px;height:44px;border:4px solid #d9e8e4;border-top-color:var(--teal);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.spinner.small{width:24px;height:24px;border-width:3px}.app-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}aside{background:#113c37;color:#fff;padding:20px 14px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.logo{padding:8px 12px 24px;display:grid}.logo span{font-size:24px;font-weight:900;letter-spacing:.08em}.logo small{opacity:.72}nav{display:grid;gap:6px}nav button,.logout{border:0;background:transparent;color:#d8ebe7;padding:11px 12px;border-radius:10px;text-align:left;display:flex;align-items:center;gap:10px;font-weight:700}nav button.active,nav button:hover,.logout:hover{background:#1b5049;color:#fff}.logout{margin-top:auto}main{min-width:0}header{height:80px;background:#fff;border-bottom:1px solid var(--line);padding:0 28px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}header h2{margin:0;font-size:18px}header p{margin:3px 0 0;color:var(--muted);font-size:13px}.avatar{width:40px;height:40px;border-radius:50%;background:#dff0eb;color:var(--teal);display:grid;place-items:center;font-weight:900}.content{padding:28px;max-width:1600px;margin:0 auto}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}.page-heading h1{margin:0;font-size:28px}.page-heading p{margin:5px 0 0;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}.stat,.panel{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 4px 18px #19413a09}.stat{padding:18px;display:flex;gap:14px;align-items:center}.stat .icon{width:46px;height:46px;background:#eaf6f2;border-radius:12px;display:grid;place-items:center;color:var(--teal)}.stat span,.stat small{display:block;color:var(--muted);font-size:12px}.stat strong{font-size:24px}.grid-two{display:grid;grid-template-columns:1fr 1fr;gap:20px}.panel{padding:22px}.panel h3{margin:0 0 17px}.row,.class-row{display:flex;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid #edf3f1}.row:last-child,.class-row:last-child{border:0}.row svg{color:var(--teal)}.row div,.class-row-main{display:flex;flex-direction:column}.row span,.class-row span{font-size:13px;color:var(--muted)}.empty{padding:28px;text-align:center;color:var(--muted);background:#f8faf9;border-radius:12px}.date-badge{width:45px;height:50px;border-radius:10px;background:#eef7f5;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--teal)}.date-badge b{font-size:18px;line-height:1}.date-badge span{font-size:11px;text-transform:uppercase}.page-heading button,.secondary,.primary{border-radius:10px;padding:10px 14px;font-weight:800;display:inline-flex;align-items:center;gap:7px}.primary{border:0;background:var(--teal);color:#fff}.primary:hover{background:var(--teal2)}.secondary{border:1px solid var(--line);background:#fff;color:var(--ink)}.text-button{border:0;background:transparent;color:var(--teal);font-weight:800}.text-button.small{font-size:11px;padding:0;text-align:left}.button-row{display:flex;gap:9px;align-items:center;flex-wrap:wrap}label{display:grid;gap:6px;font-size:13px;font-weight:750}input,select,textarea{width:100%;border:1px solid #dbe5e2;border-radius:10px;padding:10px 11px;background:#fff;color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:#76b9b0;box-shadow:0 0 0 3px #e5f4f1}textarea{min-height:100px;resize:vertical}.notice,.success-note,.soft-note{display:flex;gap:8px;align-items:flex-start;padding:11px;border-radius:10px;font-size:14px}.notice{background:#fff3f0;color:#9d4438}.success-note{background:#ebf8f1;color:#236f59}.soft-note{background:#f4f8f6;color:#60716b;border:1px solid #e0e9e5}.muted{color:var(--muted)}.small-note{font-size:12px}.section-gap{margin-top:24px}.full{grid-column:1/-1}.inline-loading{display:flex;align-items:center;gap:12px;color:var(--muted)}.action-banner{display:flex;justify-content:space-between;align-items:center;gap:16px;background:#fff7e9;border:1px solid #f3d7a0;border-radius:14px;padding:16px 18px;margin-bottom:20px}.action-banner div{display:flex;flex-direction:column}.action-banner span{color:#7a6a4c;font-size:13px}.action-banner button,.action-card button{border:0;background:var(--ink);color:#fff;padding:8px 11px;border-radius:8px}.action-card{display:flex;align-items:center;gap:12px;padding:15px;background:#fff7f3;border-radius:12px}.action-card svg{color:#c65d40}.action-card div{display:flex;flex-direction:column;flex:1}.action-card span{font-size:13px;color:var(--muted)}.worksheet-link,.worksheet-button,a{color:var(--teal);font-weight:750;text-decoration:none}.worksheet-link,.worksheet-button{display:inline-flex;align-items:center;gap:6px}.worksheet-button{width:max-content;padding:10px 13px;border-radius:10px;background:#edf8f4}.stats+.grid-two{margin-top:0}.count-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid #edf3f1}.simple-form{max-width:900px;display:grid;gap:18px}.prefill{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;background:#f6faf9;padding:15px;border-radius:12px}.prefill div{display:flex;flex-direction:column}.prefill span{font-size:12px;color:var(--muted)}.checkline{display:flex;flex-direction:row;align-items:center}.checkline input{width:auto}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:24px 0 4px;background:#f3f8f7;padding:5px;border-radius:11px}.auth-tabs button{border:0;background:transparent;padding:9px;border-radius:8px;font-weight:750;color:var(--muted)}.auth-tabs button.selected{background:#fff;color:var(--teal);box-shadow:0 2px 8px #143c3914}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(145deg,#eff8f5,#f9f7ef)}.login-card{width:min(430px,92vw);background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:0 18px 50px #183e381f}.brand-mark{font-weight:900;color:var(--teal);letter-spacing:.12em}.login-card h1{margin:8px 0 0}.login-card form{display:grid;gap:15px;margin-top:20px}.admin-form{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.panel-title-row,.schedule-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.availability-warning{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:10px;background:#fff7e7;border:1px solid #f2d28e;color:#815d13;font-size:13px}.search{background:#fff;border:1px solid var(--line);border-radius:11px;padding:0 12px;display:flex;align-items:center}.search input{border:0;box-shadow:none}.small-search{max-width:330px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left}th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}th,td{padding:13px;border-bottom:1px solid #edf3f1;vertical-align:top}td small{display:block;color:var(--muted)}.pill{background:#e5f4ef;color:#236f59;border-radius:999px;padding:5px 9px;font-size:12px;display:inline-block}.pill-danger{background:#fff0ee;color:#a73f32}.pill-resolved{background:#e5f6ed;color:#28734c}.table-actions{display:flex;gap:5px}.table-actions button{width:31px;height:29px;border:1px solid #dde6e2;background:#fff;border-radius:7px;display:grid;place-items:center;color:#50615b}.danger-icon{color:#b84a4a!important}.schedule-toolbar{margin-bottom:20px}.schedule-filters{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.schedule-filters select{min-width:150px}.toggle{display:flex;grid-template-columns:auto;flex-direction:row;align-items:center;gap:7px;white-space:nowrap}.toggle input{width:auto}.week-board{display:grid;grid-template-columns:repeat(7,minmax(180px,1fr));gap:12px;overflow-x:auto;padding-bottom:8px}.day-column{background:#f8faf9;border:1px solid #e2e8e5;border-radius:16px;min-height:300px;overflow:hidden}.day-header{padding:14px;border-bottom:1px solid #e2e8e5;display:grid;gap:2px;background:#fff}.day-header strong{font-size:15px}.day-header span{font-size:13px;color:#52615c}.day-header small{font-size:11px;color:#81908a}.day-cards{padding:10px;display:grid;gap:9px}.day-empty{font-size:12px;color:#98a39f;text-align:center;padding:28px 8px}.schedule-card{background:#fff;border:1px solid #dce5e1;border-radius:12px;padding:11px;display:grid;gap:6px;box-shadow:0 2px 8px #1f4a400a}.schedule-card.status-cancelled{opacity:.55}.schedule-card-top{display:flex;justify-content:space-between;align-items:center;gap:6px}.schedule-card>b{font-size:13px}.schedule-card>span,.schedule-card>small{font-size:12px;color:#64736e}.availability-tools{display:flex;gap:10px;align-items:end;flex-wrap:wrap}.availability-tools label{min-width:135px}.danger-soft{border-color:#edc4bd;color:#9e4a3f}.availability-editor{display:grid;gap:10px}.availability-day-row{background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;display:grid;grid-template-columns:90px 1fr;gap:12px;align-items:center}.availability-day-row.selected{border-color:#70b6ad;background:#fbfffe}.day-toggle{border:0;background:#eef8f5;border-radius:11px;padding:9px;display:grid;place-items:center;color:var(--ink)}.day-toggle strong{font-size:22px}.day-toggle span,.day-toggle small{color:var(--muted);font-size:11px}.day-controls{display:grid;grid-template-columns:140px 150px auto 150px;gap:8px;align-items:center}.availability-summary{display:grid;gap:8px}.availability-summary-row{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px solid #edf3f1}.form-messages{display:grid;gap:8px;margin:15px 0}.resolve-box{display:grid;gap:7px;min-width:210px}.resolution-cell{display:grid;gap:5px}.attention-row{background:snow}.secondary.mini{padding:7px 9px;font-size:12px}.row.urgent svg{color:#bd3b3b}@media(max-width:1050px){.admin-form{grid-template-columns:1fr 1fr}.week-board{grid-template-columns:repeat(7,190px)}}@media(max-width:850px){.app-shell{grid-template-columns:1fr}aside{height:auto;position:static;padding:12px;flex-direction:row;align-items:center;overflow:auto}.logo{padding:0 12px}.logo small{display:none}nav{display:flex}.logout{margin:0 0 0 auto}nav button,.logout{white-space:nowrap}header{padding:0 18px}.content{padding:20px}.stats,.grid-two,.prefill,.admin-form{grid-template-columns:1fr}.full{grid-column:auto}.day-controls{grid-template-columns:1fr 1fr}.day-controls span{display:none}}@media(max-width:560px){aside{align-items:flex-start;flex-wrap:wrap}.logo{width:100%}nav{width:100%;overflow:auto}.logout{position:absolute;right:12px;top:12px}.page-heading{align-items:flex-start;flex-direction:column}.stats{grid-template-columns:1fr}.login-card{padding:27px}.availability-day-row{grid-template-columns:70px 1fr}.day-controls{grid-template-columns:1fr}.schedule-toolbar{align-items:flex-start}.availability-summary-row{align-items:flex-start;gap:10px;flex-direction:column}}.database-filters{display:grid;grid-template-columns:2fr repeat(5,minmax(130px,1fr));gap:10px;margin-bottom:16px}.clickable-row{cursor:pointer}.clickable-row:hover{background:#f8fbfa}.pagination{display:flex;justify-content:flex-end;align-items:center;gap:12px;margin-top:16px}.pagination span{color:var(--muted);font-size:13px}.pagination button:disabled{opacity:.45;cursor:not-allowed}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#102c286b;display:grid;place-items:center;padding:24px;z-index:50}.modal-card{width:min(760px,96vw);max-height:90vh;overflow:auto;background:#fff;border-radius:20px;padding:24px;box-shadow:0 24px 70px #0e302b40}.modal-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:18px}.modal-head h2{margin:0}.modal-head p{margin:5px 0 0;color:var(--muted)}.icon-close{border:0;background:#eef4f2;width:36px;height:36px;border-radius:10px;font-size:24px;line-height:1}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px}.detail-grid>div{background:#f7faf9;border:1px solid #e4ece9;padding:12px;border-radius:12px;display:grid;gap:4px}.detail-grid span,.detail-note span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.detail-section{margin-top:22px}.detail-note{background:#f8faf9;border-radius:12px;padding:14px;margin-bottom:10px}.detail-note p{margin:5px 0 0;white-space:pre-wrap}.analytics-stats{grid-template-columns:repeat(4,1fr)}@media(max-width:1100px){.database-filters,.analytics-stats{grid-template-columns:1fr 1fr}}@media(max-width:650px){.database-filters,.detail-grid,.analytics-stats{grid-template-columns:1fr}}.handover-strip{margin-top:8px;padding:8px 10px;border-radius:10px;background:#f5f7f3;font-size:12px;display:flex;gap:6px;flex-wrap:wrap;align-items:center}.handover-strip small{display:block;width:100%;color:#5d665f}.master-pattern-form{display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;gap:12px;align-items:end}.master-pattern-form label{margin:0}.role-badge{font-size:11px;padding:3px 7px;border-radius:999px;background:#eef3ef}.observation-card{border-left:4px solid #315f4e;padding-left:12px}@media(max-width:900px){.master-pattern-form{grid-template-columns:1fr 1fr}.master-pattern-form .primary{grid-column:1/-1}}.allocation-summary{font-size:13px;margin-top:4px;color:#317164}.allocation-summary.has-unallocated{color:#a05a00;font-weight:700}.pill-warning{background:#fff0cf!important;color:#8c5100!important;border:1px solid #f2cf87}.unallocated-slot{border:2px dashed #e8bd70!important;background:#fffaf0!important}.unallocated-text{color:#a05a00;font-weight:700}.allocated-slot{border-left-width:5px!important}.teacher-chip,.batch-chip,.subject-chip{display:inline-flex;align-items:center;width:max-content;padding:4px 9px;border-radius:999px;font-size:12px;font-weight:700;line-height:1.2}.subject-chip{margin-bottom:3px}.subject-maths{background:#e9f3ff;color:#275f98}.subject-english{background:#f6eafa;color:#7b408c}.subject-science{background:#e7f7ed;color:#276841}.subject-test{background:#fff0dc;color:#8a5316}.batch-color-1{--tag-bg:#eaf5f2;--tag-fg:#25665d}.batch-color-2{--tag-bg:#eef2ff;--tag-fg:#475ca1}.batch-color-3{--tag-bg:#fff1e7;--tag-fg:#95512f}.batch-color-4{--tag-bg:#f8ecf6;--tag-fg:#824f78}.batch-color-5{--tag-bg:#edf7df;--tag-fg:#57762d}.batch-color-6{--tag-bg:#e8f4fb;--tag-fg:#386f8f}.batch-color-7{--tag-bg:#fff4cf;--tag-fg:#886b16}.batch-color-8{--tag-bg:#f0ecff;--tag-fg:#63549b}.batch-chip{background:var(--tag-bg,#eef4f3);color:var(--tag-fg,#315e58)}.schedule-card.batch-color-1,.schedule-card.batch-color-2,.schedule-card.batch-color-3,.schedule-card.batch-color-4,.schedule-card.batch-color-5,.schedule-card.batch-color-6,.schedule-card.batch-color-7,.schedule-card.batch-color-8{background:linear-gradient(180deg,var(--tag-bg,#fff) 0,white 45%)}.teacher-color-1{background:#dff4ed;color:#216558}.teacher-color-2{background:#e8edff;color:#40599b}.teacher-color-3{background:#ffe9dd;color:#924e2e}.teacher-color-4{background:#f5e4f2;color:#7d4773}.teacher-color-5{background:#e8f4d7;color:#526f2a}.teacher-color-6{background:#e0f1fa;color:#356a89}.teacher-color-7{background:#ffefba;color:#856412}.teacher-color-8{background:#ebe5ff;color:#5f4d98}.colourful-database tbody tr.database-row td:first-child{border-left:5px solid var(--tag-fg,#4d8179)}.colourful-database tbody tr.database-row:hover{background:var(--tag-bg,#f7faf9)}.timetable-slot .teacher-chip{margin-top:4px}
