:root{--bg:#f4f7f5;--surface:#fff;--ink:#17201d;--muted:#62716a;--brand:#0b5b43;--brand2:#14805f;--soft:#e8f3ef;--line:#dce6e1;--warn:#fff4d2;--danger:#a62e2e;--shadow:0 12px 34px rgba(11,79,58,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}button,input,select{font:inherit}button{cursor:pointer}
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:9px max(14px,calc((100vw - 1160px)/2));background:rgba(244,247,245,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:10px}.brand>span{display:grid}.brand small{color:var(--muted);font-size:.7rem}.college-logo{width:64px;height:64px;object-fit:contain;border-radius:50%;background:#fff}.top-actions{display:flex;gap:8px;align-items:center}
main{max-width:1160px;margin:auto;padding:20px 14px 98px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.hero{padding:26px;background:linear-gradient(135deg,#fff,#edf7f3)}.hero-brand{display:flex;align-items:center;gap:15px}.hero-brand img{width:84px;height:84px;object-fit:contain}.hero-brand h1{margin:.2rem 0;font-size:clamp(1.7rem,4vw,2.7rem)}.hero-title{font-size:clamp(1.5rem,3.2vw,2.4rem);max-width:900px;margin:20px 0 8px}.eyebrow{font-size:.72rem;letter-spacing:.12em;color:var(--brand2);font-weight:900;text-transform:uppercase}.hero p,.page-head p,p{line-height:1.58;color:#3b4742}.page-head h1{font-size:clamp(1.8rem,4.2vw,3rem);line-height:1.08;margin:.45rem 0 .7rem}
.hero-actions,.actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.primary,.secondary,.ghost{padding:10px 14px;border-radius:11px;font-weight:800}.primary{border:1px solid var(--brand);background:var(--brand);color:#fff}.secondary,.ghost{border:1px solid var(--line);background:#fff;color:var(--ink)}.hidden{display:none!important}.session-badge{background:var(--soft);color:var(--brand);padding:7px 10px;border-radius:999px;font-size:.75rem;font-weight:800}
.quick-grid,.metric-grid,.grid-2,.grid-3{display:grid;gap:12px}.quick-grid{grid-template-columns:repeat(4,1fr);margin:15px 0 26px}.metric-grid{grid-template-columns:repeat(4,1fr)}.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}
.quick-card,.panel,.metric{padding:18px}.quick-card{border:1px solid var(--line);background:#fff;border-radius:16px;text-align:left;box-shadow:var(--shadow)}.quick-card span{font-size:1.35rem}.quick-card strong{display:block;margin-top:14px}.quick-card small{display:block;color:var(--muted);margin-top:5px}.metric strong{display:block;color:var(--brand);font-size:1.55rem}.metric span{font-size:.78rem;color:var(--muted)}
.section{margin:26px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:10px;margin-bottom:12px}.section h2,.panel h2{margin:.2rem 0;font-size:1.25rem}.pill{display:inline-block;padding:5px 9px;border-radius:999px;background:var(--soft);color:var(--brand);font-size:.74rem;font-weight:800;margin:2px}.notice{padding:14px 16px;margin:9px 0}.muted{color:var(--muted)}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:30;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.97);border-top:1px solid var(--line);padding:6px max(5px,calc((100vw - 700px)/2)) calc(6px + env(safe-area-inset-bottom))}.bottom-nav button{border:0;background:transparent;color:var(--muted);padding:7px}.bottom-nav small{display:block;font-size:.7rem}.bottom-nav button.active{color:var(--brand);font-weight:900}
.login{max-width:520px;margin:20px auto;padding:22px}.field{display:grid;gap:6px;margin:12px 0}.field label{font-size:.8rem;font-weight:800;color:#4b5852}.field input,.field select,input,select{padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff}.helper,.warning{padding:12px;border-radius:12px;font-size:.82rem}.helper{background:#f7faf9;border:1px dashed var(--line);color:var(--muted)}.warning{background:var(--warn);border:1px solid #efdca0;color:#654d00}
.profile-head{display:flex;gap:15px;align-items:center;padding:18px}.avatar{width:70px;height:70px;border-radius:20px;display:grid;place-items:center;background:var(--soft);color:var(--brand);font-size:1.5rem;font-weight:900}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:15px;background:#fff}table{border-collapse:collapse;width:100%;min-width:760px}th,td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:.83rem}th{background:#f0f6f3;color:#42504a}.grade{font-weight:900;color:var(--brand)}.locked{color:var(--danger);font-weight:800}.ok{color:var(--brand);font-weight:800}.danger-text{color:var(--danger);font-weight:800}
.paper-list{margin-top:14px}.paper-row{display:grid;grid-template-columns:42px 1fr minmax(130px,auto);align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}.paper-row small,.faculty-row span,.record-title small,.attendance-row small,.approval-item small{display:block;color:var(--muted);margin-top:3px}.paper-no{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--soft);color:var(--brand);font-weight:900}.period-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:14px}.period{padding:12px;border:1px solid var(--line);border-radius:12px;display:grid;gap:4px}.period span{color:var(--muted);font-size:.8rem}.faculty-row{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}.workflow{display:grid;gap:7px;margin:12px 0}.workflow span{padding:10px 12px;border-radius:10px;background:var(--soft);font-weight:750}
.student-card,.approval-item{display:flex;justify-content:space-between;align-items:center;gap:12px}.student-card p{margin:.35rem 0}.approval-item{padding:10px 0;border-bottom:1px solid var(--line)}
.record-card{border:1px solid var(--line);border-radius:15px;padding:15px;margin:12px 0;background:#fff}.record-title{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.state{padding:5px 8px;border-radius:999px;font-size:.7rem;font-weight:900;background:#eef2f0;color:#53605a}.state-submitted{background:#fff4d2;color:#735800}.state-hod_approved{background:#e9efff;color:#234b8d}.state-locked{background:var(--soft);color:var(--brand)}.marks-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:13px}.marks-grid label,.attendance-row label{display:grid;gap:5px;font-size:.7rem;color:var(--muted)}.record-meta{font-size:.8rem;color:var(--muted);margin-top:10px}.attendance-row{display:grid;grid-template-columns:minmax(180px,1fr) 100px 100px auto;gap:8px;align-items:end;padding:10px 0;border-bottom:1px solid var(--line)}.audit{border-left:3px solid var(--brand);padding:6px 0 6px 12px;margin:8px 0}.audit small{color:var(--muted)}
@media(max-width:900px){.quick-grid,.metric-grid{grid-template-columns:repeat(2,1fr)}.grid-2,.grid-3{grid-template-columns:1fr}.period-grid{grid-template-columns:repeat(3,1fr)}.marks-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:620px){.brand small{display:none}.college-logo{width:44px;height:44px}.quick-grid{grid-template-columns:1fr 1fr}.hero{padding:20px}.hero-brand img{width:68px;height:68px}.session-badge{display:none!important}.paper-row{grid-template-columns:38px 1fr}.paper-row>strong{grid-column:2}.period-grid{grid-template-columns:repeat(2,1fr)}.marks-grid{grid-template-columns:1fr 1fr}.attendance-row{grid-template-columns:1fr 1fr}.attendance-row>div{grid-column:1/-1}.student-card,.approval-item{align-items:flex-start}.record-title{display:grid}}
.about-line{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.notification{padding:12px 0;border-bottom:1px solid var(--line)}.notification p{margin:.35rem 0}.notification small{color:var(--muted)}
.roster-list{display:grid;gap:14px}.roster-card{padding:16px}.roster-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.roster-head small{display:block;color:var(--muted);margin-top:4px}.roster-grid{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:12px;margin-top:14px}.roster-block{padding:12px;border:1px solid var(--line);border-radius:13px;background:#fbfdfc}.roster-block h3{margin:0 0 10px;font-size:.95rem}.roster-block label{display:grid;gap:5px;font-size:.72rem;color:var(--muted);margin:7px 0}.roster-block p{font-size:.8rem;margin:.55rem 0}.roster-card .actions{margin-top:12px}
@media(max-width:900px){.roster-grid{grid-template-columns:1fr 1fr}.roster-block:last-child{grid-column:1/-1}}
@media(max-width:620px){.about-line{display:grid}.roster-head{display:grid}.roster-grid{grid-template-columns:1fr}.roster-block:last-child{grid-column:auto}}

/* v2.4: separate academic windows */
.paper-tabs{display:flex;gap:8px;overflow:auto;margin:18px 0 8px;padding-bottom:4px}
.paper-tabs button{white-space:nowrap;border:1px solid var(--line);background:#fff;padding:10px 14px;border-radius:999px;font-weight:800;color:var(--muted)}
.paper-tabs button.active{background:var(--brand);border-color:var(--brand);color:#fff}
.session-controls,.register-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;align-items:end;margin:14px 0}
.register-grid{grid-template-columns:2fr 1fr 1fr}
.session-controls label,.register-grid label{display:grid;gap:5px;font-size:.78rem;font-weight:800;color:#4b5852}
.session-controls input,.session-controls select,.register-grid input,.register-grid select,.mark-row input,.mark-row select,.attendance-row select{padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff}
.session-banner{padding:10px 12px;background:var(--soft);border-radius:11px;margin:10px 0;color:var(--brand)}
.final-row td:last-child{min-width:180px}
@media(max-width:720px){.session-controls,.register-grid{grid-template-columns:1fr 1fr}.session-controls button{grid-column:1/-1}}
@media(max-width:480px){.session-controls,.register-grid{grid-template-columns:1fr}}

/* v2.5 role/programme workflow */
.programme-tabs{display:flex;gap:10px;margin:18px 0;overflow:auto}.programme-tabs button{border:1px solid var(--line);background:#fff;padding:11px 18px;border-radius:999px;font-weight:800;color:var(--muted);white-space:nowrap}.programme-tabs button.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.inactive-paper{opacity:.55}.inactive-paper button[disabled]{cursor:not-allowed}.active-paper{outline:1px solid rgba(20,90,70,.08)}
.mini-summary{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}.mini-summary span{font-size:.75rem;background:var(--soft);padding:6px 8px;border-radius:999px}
.success-note{padding:12px 14px;border:1px solid #b8dbc9;background:#eef8f2;border-radius:12px;margin:12px 0;color:#245c3d}
.paper-card-grid .card{min-height:220px}

/* v2.6 role separation */
.approval-item small{display:block;margin-top:5px;line-height:1.5}
.paper-access.inactive-paper{opacity:.55}
.paper-access.active-paper{outline:1px solid rgba(0,0,0,.06)}

/* v2.7 HOD Administration */
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#f3f5f4;padding:2px 6px;border-radius:6px}
a{color:var(--brand);font-weight:700}
input[type=file]{width:100%;padding:12px;border:1px dashed var(--line);border-radius:12px;background:#fafcfb}

/* v2.8 Department information, search and enlarged branding */
.enlarged-banner{padding:38px 36px;min-height:310px;display:flex;flex-direction:column;justify-content:center}
.enlarged-banner .hero-brand img{width:122px;height:122px}
.enlarged-banner .hero-brand h1{font-size:clamp(2.1rem,5vw,3.5rem)}
.enlarged-banner .hero-title{font-size:clamp(1.6rem,3vw,2.6rem)}
.six-cards{grid-template-columns:repeat(3,1fr)}
.activity-category-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.activity-item{padding:14px 0;border-bottom:1px solid var(--line)}.activity-item small{display:block;color:var(--muted);margin-top:4px}.activity-item p{margin:.5rem 0 0}
.gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.gallery-card{overflow:hidden;margin:0}.gallery-card img{width:100%;height:230px;object-fit:cover;display:block}.gallery-card figcaption{padding:14px}.gallery-card small{display:block;color:var(--muted);margin-top:4px}
.lookup-row{display:grid;grid-template-columns:1fr auto;gap:10px}.lookup-row input{padding:11px 12px;border:1px solid var(--line);border-radius:11px}.search-result,.content-admin-row{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:11px 0;border-bottom:1px solid var(--line)}.search-result small,.content-admin-row small{display:block;color:var(--muted);margin-top:3px}
.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.admin-grid label{display:grid;gap:5px;font-size:.78rem;font-weight:800}.admin-grid input,.admin-grid select,textarea{padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff;width:100%}
.gallery-admin-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.gallery-admin-card{display:grid;gap:7px}.gallery-admin-card img{width:100%;height:120px;object-fit:cover;border-radius:12px}.subhead{margin-top:22px!important}
@media(max-width:760px){.six-cards{grid-template-columns:1fr 1fr}.activity-category-grid,.gallery-grid{grid-template-columns:1fr 1fr}.gallery-admin-grid{grid-template-columns:1fr 1fr}.enlarged-banner{padding:28px 20px;min-height:270px}.enlarged-banner .hero-brand img{width:96px;height:96px}}
@media(max-width:480px){.six-cards,.activity-category-grid,.gallery-grid,.admin-grid,.gallery-admin-grid{grid-template-columns:1fr}.lookup-row{grid-template-columns:1fr}.enlarged-banner .hero-brand{align-items:flex-start}.enlarged-banner .hero-brand img{width:84px;height:84px}}
/* v3.0 Supabase/Cloudflare additions */
.login-card{max-width:560px;margin:20px auto;padding:24px}.login-card form,.login-card label,.panel>label{display:grid;gap:7px}.login-card form{gap:14px}.login-card input,.panel>label input,.panel>label textarea{padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:16px 0}.metric{padding:18px;display:grid;gap:6px}.metric span,.metric small{color:var(--muted)}.metric b{font-size:1.45rem}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:15px}.muted{color:var(--muted)}.notice{padding:22px}.hod-mode.active{background:var(--brand);color:#fff;border-color:var(--brand)}select,input,textarea{font:inherit}.success-note code{user-select:all}
@media(max-width:720px){.metric-grid{grid-template-columns:1fr}.actions button{flex:1 1 auto}}