:root{--navy:#173e73;--navy-dark:#102f59;--blue:#2f6fe4;--blue-dark:#2457b6;--blue-soft:#eaf1ff;--ink:#1c2b41;--muted:#718096;--bg:#f3f6fb;--line:#e4ebf4;--white:#fff;--green:#16865b;--green-bg:#e3f7ed;--red:#bd493e;--red-bg:#fff0ed;--amber:#986a0a;--amber-bg:#fff5d9;--shadow:0 10px 28px rgba(22,49,86,.055);--radius:17px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.65 Tahoma,"Segoe UI",Arial,sans-serif}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}a{color:inherit;text-decoration:none}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #a7c3ff;outline-offset:2px}.layout{min-height:100vh;display:grid;grid-template-columns:252px minmax(0,1fr)}.sidebar{position:sticky;top:0;height:100vh;min-height:610px;background:linear-gradient(180deg,var(--navy),var(--navy-dark));color:white;padding:20px 14px;display:flex;flex-direction:column;z-index:10}.brand{display:flex;align-items:center;gap:11px;padding:3px 9px 22px;border-bottom:1px solid #ffffff22}.brand-mark{display:grid;place-items:center;flex-shrink:0;width:45px;height:45px;border-radius:14px;background:#ffffff18;color:white;font-weight:900;font-size:27px;border:1px solid #ffffff24}.brand strong,.brand small{display:block}.brand strong{font-size:15px}.brand small{font-size:11px;color:#cbdaf2;margin-top:2px}.nav-caption{font-size:10px;letter-spacing:.06em;color:#a9c2e6;padding:22px 13px 9px}.nav{display:grid;gap:5px}.nav-link{padding:11px 13px;color:#d8e4f8;border-radius:11px;display:flex;align-items:center;gap:12px;transition:background .16s,color .16s;font-size:13px}.nav-link:hover,.nav-link.active{background:#ffffff18;color:white}.nav-link.active{box-shadow:inset -3px 0 #8bb6ff}.nav-ico{font-size:19px;width:24px;text-align:center}.sidebar-foot{margin-top:auto;background:#ffffff12;border:1px solid #ffffff20;border-radius:13px;padding:13px;color:#d3e0f6;display:grid;gap:3px}.sidebar-foot strong{color:white;font-size:12px}.sidebar-foot span{font-size:11px}.sidebar-foot small{font-size:10px;color:#b3c8e7;margin-top:6px;line-height:1.7}.main{min-width:0;padding:25px clamp(15px,3vw,38px) 65px;max-width:1800px;width:100%;margin:0 auto}.topbar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:24px}.eyebrow{font-size:11px;color:var(--muted);margin-bottom:3px}.topbar h1{font-size:25px;line-height:1.25;margin:0;font-weight:850;letter-spacing:-.4px}.top-tools{display:flex;align-items:center;gap:10px}.today-chip{border:1px solid var(--line);background:white;border-radius:10px;padding:9px 12px;color:#596981;font-size:11px;white-space:nowrap}.user-pill{display:flex;align-items:center;gap:8px;background:white;border:1px solid var(--line);padding:5px 10px 5px 5px;border-radius:13px;white-space:nowrap}.user-dot{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--blue-soft);color:var(--navy);font-weight:900}.user-pill strong,.user-pill small{display:block}.user-pill strong{font-size:11px}.user-pill small{font-size:10px;color:var(--muted)}.btn{display:inline-flex;justify-content:center;align-items:center;gap:7px;padding:10px 14px;border:1px solid var(--line);background:white;color:#34445c;border-radius:10px;font-weight:700;font-size:12px;line-height:1.3;transition:transform .12s,filter .12s,border-color .12s;white-space:nowrap}.btn:hover{filter:brightness(.985);border-color:#cdd9e9}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 4px 11px #2f6fe422}.btn.primary:hover{background:var(--blue-dark)}.btn.ghost{background:transparent}.btn.danger{color:var(--red);background:var(--red-bg);border-color:#ffd8d1}.btn.small{padding:8px 10px;font-size:11px}.btn.tiny{padding:6px 9px;font-size:10px;border-radius:8px}.btn.wide{width:100%;padding:13px}.welcome-row,.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:17px}.welcome-row h2,.page-head h2{margin:0;font-size:20px;line-height:1.35}.welcome-row p,.page-head p{margin:6px 0 0;font-size:12px;color:var(--muted);line-height:1.8}.head-actions{display:flex;gap:8px;flex-wrap:wrap}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px;margin-bottom:17px}.stats-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.stats-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.stat-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:16px 17px;box-shadow:var(--shadow);min-width:0}.stat-label{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font-size:11px}.stat-label span{display:grid;place-items:center;width:33px;height:33px;border-radius:11px;background:var(--blue-soft);color:var(--blue);font-size:17px}.stat-label .green-ico{background:var(--green-bg);color:var(--green)}.stat-label .red-ico{background:var(--red-bg);color:var(--red)}.stat-label .amber-ico{background:var(--amber-bg);color:var(--amber)}.stat-number{font-size:27px;line-height:1.2;font-weight:900;margin:13px 0 7px;letter-spacing:-.5px}.stat-number.small-number{font-size:19px;letter-spacing:0}.stat-card small{font-size:10px;color:var(--muted);line-height:1.6}.stat-card.compact{padding:13px 16px}.stat-card.compact .stat-number{margin:8px 0 0}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(290px,.83fr);gap:15px;margin-bottom:16px}.panel{background:white;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;min-width:0;overflow:hidden}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 19px;border-bottom:1px solid #edf1f6}.panel-head h3{margin:0;font-size:14px}.panel-head p{margin:4px 0 0;color:var(--muted);font-size:11px;line-height:1.7}.panel-body{padding:17px 19px}.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:15px 17px}.quick-card{display:grid;grid-template-columns:38px 1fr;grid-template-rows:auto auto;column-gap:10px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:12px;background:white;transition:.15s}.quick-card:hover{border-color:#b4c9fa;background:#f9fbff}.quick-card>span{grid-row:1/3;display:grid;place-items:center;width:37px;height:37px;border-radius:11px;background:var(--blue-soft);color:var(--blue);font-size:18px}.quick-card strong{font-size:11px}.quick-card 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14px}tbody td{border-bottom:1px solid #edf1f6;padding:12px 14px;vertical-align:middle;line-height:1.55}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:#fbfcff}td strong{font-size:12px}td small,.subline{display:block;font-size:10px;color:var(--muted);margin-top:3px}.student-cell{display:flex;align-items:center;gap:9px;min-width:140px}.student-avatar{display:grid;place-items:center;flex-shrink:0;width:35px;height:35px;border-radius:11px;background:var(--blue-soft);color:var(--navy);font-weight:900;font-size:14px}.money{font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:800}.negative{color:var(--red)!important}.positive{color:var(--green)!important}.pill{display:inline-flex;align-items:center;padding:4px 8px;border-radius:8px;font-size:10px;font-weight:800;white-space:nowrap}.pill.blue{color:#2459bd;background:var(--blue-soft)}.pill.green{color:#176747;background:var(--green-bg)}.pill.red{color:#a63e32;background:var(--red-bg)}.pill.amber{color:#805c09;background:var(--amber-bg)}.muted{color:var(--muted);font-size:11px}.empty-state{padding:28px 16px;text-align:center;color:var(--muted);font-size:12px}.search-bar,.filter-bar{display:flex;align-items:flex-end;gap:9px;flex-wrap:wrap;padding:13px 15px;border-bottom:1px solid #edf1f6}.search-field{display:flex;gap:8px;align-items:center;flex:1;min-width:240px;background:white;border:1px solid var(--line);border-radius:10px;padding:0 12px}.search-field span{color:#7890b1;font-size:18px}.search-field input{border:0;outline:0!important;box-shadow:none!important;width:100%;min-width:0;padding:11px 0;background:transparent}.filter-bar label,.inline-form label{display:grid;gap:4px;font-size:10px;color:var(--muted);font-weight:700}.filter-bar 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var(--line);margin-top:5px}.form-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap;padding-top:6px}.check-field{display:flex;align-items:flex-start;gap:10px;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fbfcff}.check-field input{width:17px;height:17px;min-height:0;margin-top:3px;accent-color:var(--blue);flex-shrink:0}.check-field strong,.check-field small{display:block}.check-field strong{font-size:11px}.check-field small{font-size:10px;color:var(--muted);line-height:1.7;margin-top:4px}.info-box{background:#f1f6ff;border:1px solid #dce8ff;color:#345575;padding:12px 14px;border-radius:11px;font-size:11px;line-height:1.9;margin:0 0 12px}.info-box code{background:#e2ecff;padding:1px 4px;border-radius:4px}.alert{padding:12px 15px;border-radius:11px;margin:0 0 15px;font-size:12px;line-height:1.8}.alert.success{background:var(--green-bg);color:#176747;border:1px solid #caeddc}.alert.error{background:var(--red-bg);color:#9e382d;border:1px solid #ffd8d1}.alert.warning{background:var(--amber-bg);color:#805c09;border:1px solid #f2e0a7}.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:18px}.detail-grid>div{display:grid;gap:4px;min-width:0}.detail-grid small,.receipt-fields span{font-size:10px;color:var(--muted)}.detail-grid strong{font-size:12px;overflow-wrap:anywhere}.inline-form{display:flex;align-items:flex-end;gap:8px;flex-wrap:wrap;margin-bottom:17px}.mini-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:14px 0}.mini-stats>div{border:1px solid var(--line);border-radius:11px;padding:10px;display:grid;gap:5px}.mini-stats small{font-size:10px;color:var(--muted)}.mini-stats strong{font-size:17px}.status-select{max-width:180px;padding:8px 10px;font-size:11px}.status-select.present{border-color:#bce8d2;background:#f1fbf5;color:#176747}.status-select.absent{border-color:#ffd5cd;background:#fff6f4;color:#a63e32}.status-select.excused{border-color:#f1e0a7;background:#fffbeb;color:#805c09}.sticky-actions{padding:14px 17px;border-top:1px solid var(--line);justify-content:space-between;background:#fbfcff}.compact-form{padding:15px 17px}.receipt-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;max-width:850px;margin:0 auto;padding:28px}.receipt-head{display:flex;align-items:center;gap:15px}.receipt-logo{display:grid;place-items:center;background:var(--navy);color:#fff;border-radius:14px;width:54px;height:54px;font-size:30px;font-weight:900}.receipt-head h2{margin:0;font-size:19px}.receipt-head p{margin:4px 0 0;color:var(--muted);font-size:12px}.receipt-stamp{margin-right:auto;text-align:left;color:var(--muted);font-size:10px;line-height:1.8}.receipt-stamp strong{color:var(--navy);font-size:13px;direction:ltr;display:block}.receipt-rule{height:3px;background:linear-gradient(90deg,var(--navy),#86b5ff);margin:22px 0;border-radius:3px}.receipt-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.receipt-fields>div{display:grid;gap:5px}.receipt-fields strong{font-size:13px}.amount-box{grid-column:1/-1;padding:17px;background:#f2f6ff;border:1px solid #dce7ff;border-radius:14px}.amount-box strong{font-size:25px;color:var(--navy)}.receipt-bottom{display:flex;justify-content:space-between;align-items:center;gap:15px;border-top:1px dashed #cbd6e5;margin-top:25px;padding-top:16px;color:var(--muted);font-size:10px}.settings-form{padding:17px}.app-footer{display:flex;justify-content:space-between;gap:10px;color:#92a0b2;font-size:10px;padding:11px 3px}.mobile-nav{display:none}.login-body{min-height:100vh;background:radial-gradient(ellipse at top,#e3edff,#f4f7fb 55%);display:grid;place-items:center;padding:20px}.login-wrap{width:100%;max-width:420px}.login-card{background:white;border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:0 20px 65px #193d6d18}.login-brand{text-align:center;margin-bottom:23px}.login-brand .brand-mark{margin:0 auto 12px;background:var(--navy);font-size:29px;width:57px;height:57px}.login-brand h1{font-size:21px;margin:0}.login-brand p{font-size:11px;color:var(--muted);margin:6px 0 0}.stack-form{display:grid;gap:14px}.stack-form label{display:grid;gap:7px;font-size:11px;font-weight:800}.stack-form input{border:1px solid #dfe6ef;border-radius:10px;padding:12px;font:inherit}.center{text-align:center}.login-card .muted{margin:18px 0 0;line-height:1.8}.no-print{display:block}.mono{font-family:monospace;direction:ltr;text-align:right;max-width:180px;overflow-wrap:anywhere}
@media(max-width:1180px){.layout{grid-template-columns:220px minmax(0,1fr)}.sidebar{padding-inline:11px}.main{padding-inline:20px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-grid{grid-template-columns:1fr}}
@media(max-width:760px){.layout{display:block;padding-bottom:70px}.sidebar{display:none}.main{padding:16px 12px 24px}.topbar{align-items:flex-start;margin-bottom:18px;gap:8px}.topbar h1{font-size:21px}.top-tools{gap:5px;flex-wrap:wrap;justify-content:flex-end}.today-chip{display:none}.user-pill{padding:4px}.user-pill>span:last-child{display:none}.user-dot{width:31px;height:31px}.logout-form .btn{padding:8px}.welcome-row,.page-head{align-items:flex-start;flex-direction:column;gap:12px}.welcome-row h2,.page-head h2{font-size:18px}.welcome-row>.btn{align-self:stretch}.head-actions{width:100%}.head-actions .btn{flex:1}.stats-grid,.stats-grid.three,.stats-grid.four{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.stat-card{padding:13px}.stat-number{font-size:23px}.stat-number.small-number{font-size:16px}.quick-grid{gap:8px;padding:12px}.quick-card{padding:10px;grid-template-columns:31px 1fr;column-gap:8px}.quick-card>span{width:31px;height:31px;font-size:15px}.panel-head{padding:14px}.panel-body{padding:14px}.search-bar{padding:10px;gap:7px}.search-field{min-width:100%;flex-basis:100%}.form-panel{padding:13px}.form-grid{grid-template-columns:minmax(0,1fr);gap:12px}.span2,.form-section-title{grid-column:1}.filter-bar label{flex:1;min-width:130px}.filter-bar label input{width:100%}.detail-grid{grid-template-columns:1fr 1fr;padding:14px;gap:12px}.mini-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.sticky-actions{align-items:stretch;flex-direction:column}.sticky-actions .btn{width:100%}.receipt-card{padding:17px}.receipt-head{align-items:flex-start;gap:9px}.receipt-logo{width:43px;height:43px;font-size:24px}.receipt-head h2{font-size:15px}.receipt-stamp{font-size:8px}.receipt-stamp strong{font-size:10px}.receipt-fields{grid-template-columns:1fr 1fr;gap:13px}.amount-box{grid-column:1/-1}.amount-box strong{font-size:21px}.receipt-bottom{align-items:flex-start;flex-direction:column}.app-footer{flex-direction:column}.mobile-nav{display:flex;position:fixed;z-index:50;bottom:0;left:0;right:0;min-height:62px;padding:6px 5px max(6px,env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 18px #142d4b0d;justify-content:space-around}.mobile-nav a{display:flex;flex:1;align-items:center;justify-content:center;flex-direction:column;gap:1px;color:#718096;border-radius:10px;padding:3px}.mobile-nav a span{font-size:19px;line-height:1.3}.mobile-nav a small{font-size:9px}.mobile-nav a.active{color:var(--blue);background:var(--blue-soft)}.login-card{padding:21px}.no-print{display:block}}
@media(max-width:390px){.stats-grid,.stats-grid.three,.stats-grid.four{grid-template-columns:1fr 1fr}.stat-label{font-size:10px}.stat-card{padding:11px}.receipt-fields{grid-template-columns:1fr}.amount-box{grid-column:1}.user-pill{display:none}.quick-card strong{font-size:10px}.head-actions .btn{font-size:10px;padding:9px 7px}}
@media print{body{background:#fff}.sidebar,.topbar,.mobile-nav,.no-print,.app-footer,.alert{display:none!important}.layout{display:block}.main{padding:0;max-width:none}.receipt-card{box-shadow:none;border:0;max-width:none;padding:14mm}.receipt-rule{-webkit-print-color-adjust:exact;print-color-adjust:exact}.receipt-logo,.amount-box{print-color-adjust:exact;-webkit-print-color-adjust:exact}body *{visibility:hidden}.receipt-card,.receipt-card *{visibility:visible}.receipt-card{position:absolute;top:0;right:0;left:0;width:100%}}
.void-payment-form{display:inline-flex;align-items:center;gap:5px;margin-right:7px;flex-wrap:wrap}.void-payment-form input{width:125px;max-width:100%;border:1px solid var(--line);border-radius:8px;padding:6px 7px;font-size:10px}