/* School ERP design system – RJ Technologies */
:root{
  --font:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --brand:#4f46e5;--brand-2:#7c3aed;--brand-soft:#eef2ff;
  --bg:#f4f6fb;--surface:#fff;--ink:#0f172a;--muted:#64748b;--line:#e8ecf4;
  --side:#0f172a;--side-ink:#a8b3c7;--side-w:262px;--top-h:64px;
  --r:14px;--shadow:0 1px 2px rgba(15,23,42,.04),0 6px 20px rgba(15,23,42,.05);
  --bs-primary:#4f46e5;--bs-primary-rgb:79,70,229;--bs-link-color:#4f46e5;--bs-link-hover-color:#4338ca;--bs-body-font-family:var(--font);--bs-border-radius:.65rem;
}
[data-bs-theme=dark]{--bg:#0b1020;--surface:#141a2e;--ink:#e6eaf5;--muted:#8d99b3;--line:#232b45;--brand-soft:#1e2447;--side:#080c1a;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);--bs-body-bg:#0b1020;--bs-body-color:#e6eaf5;--bs-border-color:#232b45;--bs-link-color:#8b93ff;--bs-link-hover-color:#a5acff}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:.925rem;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,h6{font-weight:700;letter-spacing:-.01em}
a{text-decoration:none}
.text-muted{color:var(--muted)!important}
.btn{font-weight:600;border-radius:.65rem}
.btn-primary{--bs-btn-bg:var(--brand);--bs-btn-border-color:var(--brand);--bs-btn-hover-bg:#4338ca;--bs-btn-hover-border-color:#4338ca;--bs-btn-active-bg:#3730a3;box-shadow:0 4px 12px rgba(79,70,229,.25)}
.btn-icon{width:38px;height:38px;padding:0;display:inline-grid;place-items:center;border-radius:10px;border:0;background:transparent;color:var(--muted)}
.btn-icon:hover{background:var(--brand-soft);color:var(--brand)}
.btn-icon.btn-sm{width:30px;height:30px;font-size:.9rem}
.form-control,.form-select{border-color:var(--line);background-color:var(--surface);padding:.55rem .8rem}
[data-bs-theme=dark] .form-control,[data-bs-theme=dark] .form-select{background-color:#0f1528;border-color:#2a3355}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 .2rem rgba(79,70,229,.15)}
.form-label{font-weight:600;font-size:.82rem;color:var(--muted);margin-bottom:.3rem}
.input-group-text{background:var(--bg);border-color:var(--line);color:var(--muted)}

/* shell */
.app-shell{min-height:100vh}
.sidebar{background-color:var(--side)!important;--bs-offcanvas-width:var(--side-w);--bs-offcanvas-bg:var(--side);--bs-offcanvas-color:var(--side-ink);background:var(--side);color:var(--side-ink);display:flex;flex-direction:column;border:0}
@media(min-width:992px){.sidebar{position:fixed;inset:0 auto 0 0;width:var(--side-w);z-index:1030;transform:none!important;visibility:visible!important}.main{margin-left:var(--side-w)}}
.sidebar-brand{display:flex;align-items:center;gap:.75rem;padding:1.1rem 1.15rem;border-bottom:1px solid rgba(255,255,255,.07)}
.brand-text{line-height:1.15;min-width:0}.brand-text strong{display:block;color:#fff;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px}.brand-text small{color:var(--side-ink);font-size:.72rem}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#6366f1,#a855f7);display:inline-grid;place-items:center;color:#fff;font-size:1.25rem;flex:none;box-shadow:0 6px 16px rgba(99,102,241,.4)}
.brand-mark.lg{width:60px;height:60px;font-size:1.9rem;border-radius:16px}
.brand-logo{width:40px;height:40px;border-radius:10px;object-fit:cover;background:#fff}
.sidebar-nav{flex:1;overflow-y:auto;padding:.6rem .75rem 1rem;scrollbar-width:thin;scrollbar-color:#2a3350 transparent}
.nav-group{font-size:.66rem;letter-spacing:.09em;text-transform:uppercase;color:#5d6a85;font-weight:700;padding:1rem .7rem .35rem}
.nav-link-x{display:flex;align-items:center;gap:.75rem;padding:.55rem .75rem;border-radius:10px;color:var(--side-ink);font-weight:500;font-size:.88rem;margin-bottom:2px;transition:.15s}
.nav-link-x i{font-size:1.05rem;width:20px;text-align:center}
.nav-link-x:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-link-x.active{background:linear-gradient(90deg,rgba(99,102,241,.95),rgba(124,58,237,.85));color:#fff;box-shadow:0 6px 16px rgba(79,70,229,.35)}
.sidebar-foot{padding:.9rem 1.15rem;border-top:1px solid rgba(255,255,255,.07);font-size:.75rem}

.topbar{position:sticky;top:0;z-index:1020;height:var(--top-h);display:flex;align-items:center;gap:.75rem;padding:0 1.25rem;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-search{width:340px;max-width:34vw}.topbar-search>i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);z-index:2}.topbar-search input{padding-left:36px;border-radius:999px;background:var(--bg)}
.search-results{position:absolute;top:110%;left:0;right:0;background:var(--surface);border:1px solid var(--line);border-radius:12px;max-height:380px;overflow:auto;display:none;z-index:50}
.search-results.show{display:block}.search-results a{display:flex;gap:.6rem;align-items:center;padding:.55rem .85rem;color:var(--ink);border-bottom:1px solid var(--line);font-size:.85rem}.search-results a:hover{background:var(--brand-soft)}
.search-results .tag{font-size:.65rem;text-transform:uppercase;color:var(--brand);font-weight:700;letter-spacing:.05em}
.notif-dot{position:absolute;top:2px;right:2px;min-width:17px;height:17px;border-radius:9px;background:#ef4444;color:#fff;font-size:.65rem;display:grid;place-items:center;font-weight:700}
.notif-menu{width:340px;max-width:92vw;padding:0}.notif-item{white-space:normal;border-bottom:1px solid var(--line)}.notif-item.unread{background:var(--brand-soft)}
.user-btn{display:flex;align-items:center;border:0;padding:.2rem .4rem;border-radius:12px}
.content{padding:1.35rem 1.35rem 1rem;max-width:1600px;margin:0 auto}
.page-head{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;justify-content:space-between;margin-bottom:1rem}
.page-title{font-size:1.4rem;margin:0}
.page-actions{display:flex;gap:.5rem;flex-wrap:wrap}
.app-footer{display:flex;flex-wrap:wrap;gap:.4rem 1.5rem;justify-content:space-between;padding:1rem 1.35rem 1.4rem;color:var(--muted);font-size:.78rem;border-top:1px solid var(--line);margin-top:1rem}
.app-footer a{color:var(--brand)}

.subnav{display:flex;gap:.35rem;overflow-x:auto;padding:.25rem;margin-bottom:1.1rem;background:var(--surface);border:1px solid var(--line);border-radius:14px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.subnav::-webkit-scrollbar{display:none}
.subnav a{white-space:nowrap;padding:.5rem .95rem;border-radius:10px;color:var(--muted);font-weight:600;font-size:.85rem}
.subnav a:hover{color:var(--brand);background:var(--brand-soft)}.subnav a.active{background:var(--brand);color:#fff;box-shadow:0 4px 10px rgba(79,70,229,.3)}

/* cards */
.app-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);margin-bottom:1.1rem}
.app-card .card-header{background:transparent;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:.5rem;flex-wrap:wrap;padding:.9rem 1.15rem}
.app-card .card-title{font-weight:700;font-size:.95rem}
.app-card .card-body{padding:1.15rem}
.app-card .card-footer{background:transparent;border-top:1px solid var(--line)}
.stat-card{display:flex;align-items:center;gap:.9rem;padding:1.05rem 1.1rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);height:100%;transition:.2s}
a.stat-link{display:block;color:inherit;height:100%}a.stat-link:hover .stat-card{transform:translateY(-3px);border-color:var(--brand)}
.stat-icon{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;font-size:1.35rem;flex:none}
.stat-label{font-size:.76rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.stat-value{font-size:1.45rem;font-weight:800;line-height:1.2;letter-spacing:-.02em}
.stat-sub{font-size:.76rem;color:var(--muted)}
.chart-wrap{position:relative;width:100%}
.filter-bar{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin-bottom:1rem;padding:.75rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.filter-bar .form-control,.filter-bar .form-select{padding:.42rem .7rem;font-size:.86rem}
.badge-soft{font-weight:600;padding:.4em .7em;border-radius:999px}
.avatar{border-radius:50%;object-fit:cover;flex:none}.avatar-txt{display:inline-grid;place-items:center;color:#fff;font-weight:700}
.empty-state{text-align:center;padding:3rem 1rem;color:var(--muted)}.empty-state i{font-size:2.8rem;display:block;margin-bottom:.5rem;opacity:.5}
.table{--bs-table-bg:transparent;margin-bottom:0}
.table thead th{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 60%,var(--surface));white-space:nowrap;padding:.8rem 1rem}
.table td{padding:.75rem 1rem;border-color:var(--line);vertical-align:middle}
.table-hover>tbody>tr:hover>*{--bs-table-bg-state:var(--brand-soft)}
.form-section{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--brand);font-weight:700;margin:1.2rem 0 .7rem;padding-bottom:.4rem;border-bottom:1px dashed var(--line)}
.form-section:first-child{margin-top:0}
.ts-control{border-color:var(--line)!important;padding:.5rem .8rem!important;border-radius:.65rem!important;background:var(--surface)!important}
.ts-dropdown{border-radius:.65rem;z-index:2000}
[data-bs-theme=dark] .ts-control,[data-bs-theme=dark] .ts-dropdown{background:#0f1528!important;color:#e6eaf5}
[data-bs-theme=dark] .ts-dropdown .active{background:#1e2447!important;color:#fff}
.kv{display:grid;grid-template-columns:140px 1fr;gap:.45rem 1rem;font-size:.88rem}.kv dt{color:var(--muted);font-weight:600}.kv dd{margin:0}
.profile-hero{display:flex;gap:1.1rem;align-items:center;flex-wrap:wrap;padding:1.25rem;border-radius:var(--r);background:linear-gradient(120deg,#312e81,#4f46e5 60%,#7c3aed);color:#fff;margin-bottom:1.1rem}
.profile-hero .badge{background:rgba(255,255,255,.18)!important;color:#fff!important}
.profile-hero .avatar{border:3px solid rgba(255,255,255,.5)}
.progress{height:8px;border-radius:99px;background:var(--line)}
.legend-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:.35rem}

/* attendance */
.att-radio{display:inline-flex;gap:.25rem;flex-wrap:nowrap}
.att-radio input{display:none}.att-radio label{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;border:1.5px solid var(--line);font-weight:700;font-size:.8rem;cursor:pointer;color:var(--muted);margin:0}
.att-radio input[value=P]:checked+label{background:#16a34a;border-color:#16a34a;color:#fff}.att-radio input[value=A]:checked+label{background:#dc2626;border-color:#dc2626;color:#fff}
.att-radio input[value=L]:checked+label{background:#f59e0b;border-color:#f59e0b;color:#fff}.att-radio input[value=H]:checked+label{background:#0ea5e9;border-color:#0ea5e9;color:#fff}.att-radio input[value=V]:checked+label{background:#64748b;border-color:#64748b;color:#fff}
.heat{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.heat div{aspect-ratio:1;border-radius:6px;display:grid;place-items:center;font-size:.72rem;font-weight:600;background:var(--bg);color:var(--muted);min-height:30px}
.heat .P{background:#dcfce7;color:#166534}.heat .A{background:#fee2e2;color:#991b1b}.heat .L{background:#fef3c7;color:#92400e}.heat .H{background:#e0f2fe;color:#075985}.heat .V{background:#e2e8f0;color:#334155}.heat .hol{background:repeating-linear-gradient(45deg,var(--bg),var(--bg) 4px,var(--line) 4px,var(--line) 8px)}
.heat .hd{background:none;aspect-ratio:auto;min-height:0;font-size:.68rem;text-transform:uppercase;color:var(--muted);font-weight:700}

/* timetable & kanban & calendar */
.tt{width:100%;border-collapse:separate;border-spacing:6px;table-layout:fixed;min-width:720px}.tt th{font-size:.72rem;text-transform:uppercase;color:var(--muted);text-align:center;padding:.4rem}
.tt td{background:var(--bg);border-radius:10px;padding:.5rem;vertical-align:top;font-size:.78rem;height:74px}.tt td .sb{font-weight:700;color:var(--brand)}.tt td .tc{color:var(--muted);font-size:.72rem}
.kanban{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(250px,1fr);gap:.9rem;overflow-x:auto;padding-bottom:.5rem;-webkit-overflow-scrolling:touch}
.kan-col{background:var(--bg);border-radius:var(--r);padding:.7rem;min-height:200px}.kan-col h6{display:flex;justify-content:space-between;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.kan-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:.7rem .8rem;margin-bottom:.55rem;font-size:.84rem;box-shadow:var(--shadow)}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.cal .dn{font-size:.7rem;text-transform:uppercase;color:var(--muted);text-align:center;font-weight:700;padding:.3rem}
.cal .day{min-height:84px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:.3rem .4rem;font-size:.75rem;overflow:hidden}.cal .day.today{border-color:var(--brand);box-shadow:0 0 0 2px rgba(79,70,229,.2)}.cal .day.off{opacity:.45;background:var(--bg)}
.cal .ev{display:block;border-radius:5px;padding:1px 5px;margin-top:2px;font-size:.66rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:var(--brand-soft);color:var(--brand)}.cal .ev.holiday{background:#fee2e2;color:#991b1b}.cal .ev.leave{background:#fef3c7;color:#92400e}
@media(max-width:575px){.cal .day{min-height:56px;padding:.15rem}.cal .ev{font-size:.58rem}}

/* login */
.login-body{background:var(--bg);min-height:100vh}
.login-wrap{display:grid;grid-template-columns:1.05fr 1fr;min-height:100vh}
.login-art{background:radial-gradient(circle at 20% 20%,#6366f1 0,transparent 45%),radial-gradient(circle at 80% 80%,#a855f7 0,transparent 45%),#1e1b4b;color:#fff;align-items:center;justify-content:center;padding:3rem}
.art-inner{max-width:460px}.art-inner h1{font-size:2.3rem;font-weight:800;margin:1.2rem 0 .6rem}.art-inner .lead{opacity:.85}
.feat{margin-top:2rem;display:grid;gap:.8rem}.feat div{background:rgba(255,255,255,.1);padding:.8rem 1rem;border-radius:12px;backdrop-filter:blur(6px)}.feat i{margin-right:.5rem}
.login-form{display:grid;place-items:center;padding:1.5rem}.login-card{width:100%;max-width:420px}
.demo-box{margin-top:1.5rem;padding:1rem;border:1px dashed var(--line);border-radius:12px;background:var(--surface)}
.login-foot{margin-top:2rem;text-align:center;font-size:.76rem;color:var(--muted)}.login-foot a{color:var(--brand)}
@media(max-width:991px){.login-wrap{grid-template-columns:1fr}}

/* ---------- Responsive ---------- */
@media(max-width:991px){.topbar{padding:0 .75rem}.content{padding:1rem .85rem}.topbar-search{display:none!important}}
@media(max-width:575px){
  .page-title{font-size:1.15rem}.stat-value{font-size:1.2rem}.stat-icon{width:40px;height:40px;font-size:1.1rem}
  .page-actions{width:100%}.page-actions .btn{flex:1}
  .filter-bar>*{flex:1 1 100%!important;min-width:0!important}
  table.data-table thead{display:none}
  table.data-table,table.data-table tbody,table.data-table tr,table.data-table td{display:block;width:100%}
  table.data-table tr{padding:.7rem .85rem;border-bottom:8px solid var(--bg)}
  table.data-table td{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.35rem 0;border:0;text-align:right}
  table.data-table td::before{content:attr(data-label);font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700;text-align:left;flex:none}
  table.data-table td[data-label=Actions]{justify-content:flex-end;border-top:1px solid var(--line);margin-top:.3rem;padding-top:.5rem}
  table.data-table td[data-label=Actions]::before{display:none}
  .kv{grid-template-columns:110px 1fr}
}

/* ---------- Print documents ---------- */
.print-body{background:#e5e7eb;padding:20px}.print-toolbar{max-width:900px;margin:0 auto 12px}
.doc{background:#fff;color:#111;max-width:900px;margin:0 auto 16px;padding:36px 42px;box-shadow:0 6px 24px rgba(0,0,0,.12);border-radius:6px;font-size:.9rem}
.doc-header{display:flex;gap:16px;align-items:center;border-bottom:3px solid #4f46e5;padding-bottom:14px;margin-bottom:18px}.doc-logo{width:64px;height:64px;object-fit:contain}.doc-school{font-size:1.4rem;font-weight:800;color:#312e81}
.doc table{width:100%}.doc .tbl th,.doc .tbl td{border:1px solid #d1d5db;padding:6px 10px}.doc .tbl th{background:#f3f4f6;font-size:.78rem;text-transform:uppercase}
.print-brand{text-align:center;font-size:.72rem;color:#6b7280;margin:8px 0 0}
.cert{background:#fff;max-width:900px;margin:0 auto 16px;padding:14px;aspect-ratio:1.414;box-shadow:0 6px 24px rgba(0,0,0,.15)}
.cert-in{height:100%;border:6px double #b45309;padding:34px 44px;text-align:center;font-family:'Playfair Display',Georgia,serif;display:flex;flex-direction:column;justify-content:space-between;color:#1f2937;background:radial-gradient(circle at center,#fffbeb,#fff)}
.cert h1{font-size:2.4rem;color:#92400e;letter-spacing:.06em;font-family:'Playfair Display',Georgia,serif}.cert .nm{font-size:2rem;border-bottom:2px solid #b45309;display:inline-block;padding:0 28px;color:#312e81}
.idcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;max-width:1000px;margin:0 auto}
.idc{width:100%;max-width:260px;border-radius:14px;overflow:hidden;background:#fff;color:#111;box-shadow:0 4px 18px rgba(0,0,0,.18);break-inside:avoid;margin:auto}
.idc .top{background:linear-gradient(135deg,#312e81,#6366f1);color:#fff;padding:10px;text-align:center;font-size:.78rem;font-weight:700}.idc .bd{padding:14px;text-align:center;font-size:.78rem}.idc .bd .avatar{margin:-34px auto 6px;border:3px solid #fff;display:block}.idc .nm{font-weight:800;font-size:.95rem}
.sig{margin-top:44px;display:flex;justify-content:space-between}.sig div{border-top:1px solid #111;padding-top:4px;min-width:150px;text-align:center;font-size:.8rem}
@media print{
  @page{size:A4;margin:10mm}
  body,.print-body{background:#fff!important;padding:0!important}.no-print,.sidebar,.topbar,.subnav,.app-footer,.page-actions,.filter-bar,.btn,.alert{display:none!important}
  .main{margin-left:0!important}.content{padding:0!important}.doc,.cert{box-shadow:none!important;margin:0!important;max-width:none!important;padding:0!important;border-radius:0}
  .app-card{box-shadow:none;border:1px solid #ddd;break-inside:avoid}.table-responsive{overflow:visible!important}
  .cert{padding:0}.idcards{max-width:none}
}