:root{--navy:#0f2747;--primary:#1d4ed8;--primary-soft:#eaf1ff;--green:#0f9f6e;--green-soft:#e7f8f1;--amber:#c27803;--amber-soft:#fff6dc;--red:#dc3545;--red-soft:#fff0f1;--violet:#7653d6;--ink:#172033;--muted:#667085;--line:#e5eaf1;--surface:#fff;--bg:#f4f7fb;--shadow:0 12px 32px rgba(26,43,72,.08);--radius:18px}*{box-sizing:border-box}html{font-size:16px}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}button,input,select{font:inherit}a{color:inherit;text-decoration:none}.auth-body{min-height:100vh;background:radial-gradient(circle at 15% 10%,#dce9ff 0,transparent 36%),radial-gradient(circle at 90% 90%,#dff8ee 0,transparent 32%),#f6f8fc}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(100%,440px);background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.8);border-radius:28px;box-shadow:0 24px 70px rgba(15,39,71,.14);padding:38px}.login-brand{display:flex;align-items:center;gap:16px;margin-bottom:30px}.login-brand h1{font-size:1.55rem;margin:0}.login-brand p,.login-help{color:var(--muted);margin:3px 0 0}.login-help{text-align:center;font-size:.875rem;margin-top:20px}.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#1d4ed8,#153e75);color:white;font-weight:800;box-shadow:0 7px 18px rgba(29,78,216,.25)}.brand-mark.large{width:56px;height:56px;border-radius:17px}.topbar{height:72px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 26px;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:11px;font-weight:750;color:var(--navy)}.user-chip{margin-left:auto;text-align:right;display:flex;flex-direction:column}.user-chip small{color:var(--muted);font-size:.75rem}.icon-btn{border:0;background:transparent;font-size:1.5rem;cursor:pointer}.menu-toggle{display:none;margin-right:8px}.app-shell{display:grid;grid-template-columns:245px minmax(0,1fr);min-height:calc(100vh - 72px)}.sidebar{background:var(--navy);padding:22px 14px}.sidebar nav{display:grid;gap:7px;position:sticky;top:94px}.sidebar a{display:flex;gap:13px;align-items:center;color:#cbd8ea;padding:12px 14px;border-radius:12px;font-weight:600}.sidebar a:hover,.sidebar a.active{background:rgba(255,255,255,.1);color:#fff}.main-content{padding:32px;max-width:1500px;width:100%;margin:0 auto}.page-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:25px}.page-heading h1{font-size:clamp(1.65rem,3vw,2.3rem);line-height:1.2;margin:2px 0 7px;color:var(--navy)}.page-heading p{color:var(--muted);margin:0}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.72rem!important;font-weight:800;color:var(--primary)!important}.back{color:var(--primary);font-weight:700;font-size:.9rem}.stats-grid,.cards-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:24px}.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;gap:15px;align-items:center;box-shadow:var(--shadow)}.stat-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;font-size:1.3rem}.stat-card.blue .stat-icon{background:var(--primary-soft);color:var(--primary)}.stat-card.green .stat-icon{background:var(--green-soft);color:var(--green)}.stat-card.violet .stat-icon{background:#f0ebff;color:var(--violet)}.stat-card.amber .stat-icon{background:var(--amber-soft);color:var(--amber)}.stat-card strong{display:block;font-size:1.6rem;line-height:1.2}.stat-card span:last-child{color:var(--muted);font-size:.88rem}.panel,.subject-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:var(--shadow);margin-bottom:22px}.panel-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:20px}.panel h2,.panel h3,.subject-card h2{margin:0;color:var(--navy)}.panel-head p,.subject-card p{margin:4px 0 0;color:var(--muted)}.action-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.action-card{border:1px solid var(--line);padding:17px;border-radius:14px;display:flex;gap:13px;align-items:center;transition:.2s}.action-card:hover{transform:translateY(-2px);border-color:#b8ccf5;box-shadow:var(--shadow)}.action-card>span{color:var(--primary);font-size:1.5rem}.action-card div{display:flex;flex-direction:column}.action-card small{color:var(--muted)}.action-card b{margin-left:auto;font-size:1.6rem;color:#98a2b3}.split-grid{display:grid;grid-template-columns:minmax(280px,.7fr) minmax(440px,1.3fr);gap:22px}.stack,.form-grid{display:grid;gap:16px}.form-grid{grid-template-columns:1fr 1fr}.span-2{grid-column:span 2}label{font-size:.875rem;font-weight:700;color:#344054;display:grid;gap:7px}input,select{width:100%;border:1px solid #ccd5e2;background:#fff;border-radius:11px;padding:11px 12px;min-height:45px;color:var(--ink);outline:none}input:focus,select:focus{border-color:#5f8de8;box-shadow:0 0 0 3px rgba(29,78,216,.12)}.password-field{position:relative}.password-field input{padding-right:70px}.show-password{position:absolute;right:8px;top:7px;border:0;background:transparent;color:var(--primary);font-weight:700;padding:6px;cursor:pointer}.btn{border:0;border-radius:11px;padding:11px 16px;min-height:43px;font-weight:750;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;color:#fff;transition:.15s}.btn:hover{filter:brightness(.96);transform:translateY(-1px)}.btn:disabled{opacity:.65}.btn.primary{background:var(--primary)}.btn.success{background:var(--green)}.btn.danger{background:var(--red)}.btn.small{padding:7px 10px;min-height:34px;font-size:.78rem}.btn.full{width:100%}.tabs{display:flex;gap:7px;margin-bottom:18px;border-bottom:1px solid var(--line);overflow:auto}.tab{border:0;background:transparent;padding:11px 15px;color:var(--muted);font-weight:750;cursor:pointer;white-space:nowrap;border-bottom:3px solid transparent}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.tab-panel{display:none}.tab-panel.active{display:block}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:580px}th{text-align:left;color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;padding:11px;border-bottom:1px solid var(--line)}td{padding:13px 11px;border-bottom:1px solid #edf0f4}.badge{display:inline-flex;padding:5px 9px;border-radius:999px;font-size:.72rem;font-weight:800}.badge.blue{background:var(--primary-soft);color:var(--primary)}.badge.green{background:var(--green-soft);color:var(--green)}.badge.amber{background:var(--amber-soft);color:var(--amber)}.badge.gray{background:#eef1f5;color:#667085}.alert{padding:13px 16px;border-radius:12px;margin-bottom:18px;font-weight:650}.alert.success{background:var(--green-soft);color:#087652}.alert.error{background:var(--red-soft);color:#b4232f}.cards-grid{grid-template-columns:repeat(3,1fr)}.subject-card h2{margin-top:18px}.subject-actions{margin-top:20px}.attendance-list{display:grid}.attendance-row{display:grid;grid-template-columns:44px minmax(150px,1fr) auto;gap:13px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.avatar{width:42px;height:42px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:800}.student-name{display:flex;flex-direction:column}.student-name small{color:var(--muted)}.segmented{display:flex;background:#f0f3f7;border-radius:11px;padding:4px}.segmented label{display:block}.segmented input{position:absolute;opacity:0;width:1px;height:1px}.segmented span{display:block;padding:8px 11px;border-radius:8px;cursor:pointer;font-size:.8rem}.segmented input:checked+.present{background:var(--green);color:white}.segmented input:checked+.absent{background:var(--red);color:white}.segmented input:checked+.justified{background:var(--amber);color:white}.sticky-save{margin-top:20px}.inline-form{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:10px;margin-bottom:24px}.grade-block{border-top:1px solid var(--line);padding:22px 0}.grade-block h3{margin-bottom:12px}.grade-input{max-width:100px}.mini-stats{display:flex;gap:12px;margin-bottom:17px}.mini-stats div{background:#f7f9fc;border-radius:12px;padding:12px 18px}.mini-stats strong,.mini-stats span{display:block}.mini-stats span{font-size:.75rem;color:var(--muted)}.search-form{max-width:600px}.search-form>div{display:flex;gap:9px}.empty{text-align:center;padding:50px 20px;background:#fff;border:1px dashed #bfc9d8;border-radius:var(--radius);color:var(--muted)}.profile{display:flex;gap:18px;align-items:center}.large-avatar{width:66px;height:66px;font-size:1.25rem}.profile h2{margin:8px 0 2px}.profile p{margin:0;color:var(--muted)}
@media(max-width:1000px){.stats-grid{grid-template-columns:repeat(2,1fr)}.cards-grid{grid-template-columns:repeat(2,1fr)}.split-grid{grid-template-columns:1fr}.action-grid{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.topbar{height:62px;padding:0 14px}.brand span:last-child{display:none}.menu-toggle{display:block}.app-shell{display:block;min-height:calc(100vh - 62px)}.sidebar{position:fixed;inset:62px auto 0 0;width:250px;z-index:19;transform:translateX(-105%);transition:.2s;box-shadow:20px 0 50px rgba(0,0,0,.18)}.sidebar.open{transform:translateX(0)}.main-content{padding:20px 14px}.user-chip span{font-size:.85rem}.page-heading{margin-bottom:20px}.stats-grid,.cards-grid,.action-grid{grid-template-columns:1fr;gap:12px}.panel,.subject-card{padding:17px;border-radius:15px}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.inline-form{grid-template-columns:1fr}.attendance-row{grid-template-columns:42px 1fr}.segmented{grid-column:1/-1;width:100%;display:grid;grid-template-columns:repeat(3,1fr)}.segmented span{text-align:center;padding:9px 5px}.table-wrap{overflow:visible}table.responsive,table{min-width:0}table thead{display:none}table tbody,table tr,table td{display:block;width:100%}table tr{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;padding:9px}table td{border:0;padding:6px 8px;display:flex;justify-content:space-between;gap:10px;text-align:right}table td::before{content:attr(data-label);font-weight:750;color:var(--muted);text-align:left}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr)}.mini-stats div{padding:10px}.search-form>div{flex-direction:column}.login-card{padding:25px 21px}.sticky-save{position:sticky;bottom:12px;width:100%;box-shadow:0 9px 28px rgba(15,159,110,.3)}}
@media(max-width:390px){.segmented{grid-template-columns:1fr}.mini-stats{grid-template-columns:1fr}}
.compact-form{display:flex;gap:7px;align-items:center}.compact-form select{min-width:150px;padding:7px;min-height:36px}.panel-head>div p{color:var(--muted);margin:4px 0 0;font-size:.875rem}small{color:var(--muted)}
@media(max-width:720px){.compact-form{flex-direction:column;align-items:stretch}.compact-form select{min-width:0}}
.row-actions,.form-actions{display:flex;align-items:center;gap:8px}.row-actions form{margin:0}.btn.secondary{background:#e8edf5;color:#344054}.edit-panel{max-width:760px}.form-actions{justify-content:flex-end;margin-top:8px}
@media(max-width:720px){.row-actions{justify-content:flex-end;flex-wrap:wrap}.form-actions{flex-direction:column-reverse}.form-actions .btn{width:100%}}
.badge.red{background:var(--red-soft);color:var(--red)}.mini-stats.expanded{flex-wrap:wrap}.profile-action{margin-top:14px}.record{border-left:4px solid #d8e4fa}
.icon{width:1.2em;height:1.2em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}.brand-logo{width:112px;height:44px;object-fit:contain}.brand{gap:14px}.login-brand.vertical{display:flex;flex-direction:column;align-items:flex-start}.login-logo{width:min(100%,290px);height:112px;object-fit:contain;object-position:left center}.btn .icon{width:18px;height:18px;margin-right:7px}.sidebar .icon{width:20px;height:20px}.stat-icon .icon{width:25px;height:25px}.action-card>span .icon{width:25px;height:25px}.action-card>.action-arrow{margin-left:auto;width:20px;height:20px;color:#98a2b3}.subject-card{position:relative;overflow:hidden}.subject-card-icon{position:absolute;right:18px;top:18px;width:42px;height:42px;border-radius:13px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center}.subject-card-icon .icon{width:23px;height:23px}
@media(max-width:720px){.brand-logo{width:88px;height:36px}.brand span:last-child{display:none}.login-logo{height:90px}.topbar{padding-right:12px}}