:root{--bg:#f4f7fb;--card:#fff;--text:#172033;--muted:#6b7280;--line:#e5eaf1;--primary:#2563eb;--primary2:#1d4ed8;--nav:#111827;--success:#15803d;--danger:#b91c1c;--warning:#b45309;--info:#0369a1;--radius:16px;--shadow:0 8px 30px rgba(15,23,42,.06)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary);text-decoration:none}button,input,select,textarea{font:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:250px;background:var(--nav);color:#fff;position:fixed;inset:0 auto 0 0;padding:18px 14px;display:flex;flex-direction:column;z-index:50}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:6px 8px 22px}.sidebar-brand small{display:block;color:#94a3b8;margin-top:3px;font-size:11px}.brand-mark{width:58px;height:58px;border-radius:18px;background:linear-gradient(135deg,#2563eb,#60a5fa);color:#fff;display:grid;place-items:center;font-weight:800;letter-spacing:1px;margin:0 auto 12px}.brand-mark.small{width:38px;height:38px;border-radius:11px;margin:0;font-size:12px}.sidebar nav{display:flex;flex-direction:column;gap:5px}.sidebar nav a{color:#cbd5e1;padding:10px 12px;border-radius:10px;display:flex;gap:11px;align-items:center}.sidebar nav a span{width:20px;text-align:center;color:#93c5fd}.sidebar nav a:hover,.sidebar nav a.active{background:#1f2937;color:#fff}.sidebar-foot{margin-top:auto;border-top:1px solid #273244;padding:14px 8px 0;display:flex;justify-content:space-between;align-items:center;gap:10px}.sidebar-foot a{color:#fca5a5}.user-mini small{display:block;color:#94a3b8;text-transform:capitalize}.main{margin-left:250px;min-width:0;width:calc(100% - 250px);display:flex;flex-direction:column;min-height:100vh}.topbar{height:76px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;position:sticky;top:0;z-index:30}.topbar h1{margin:0;font-size:20px}.topbar small{color:var(--muted)}.topbar-right{margin-left:auto}.pill{display:inline-flex;padding:7px 11px;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-weight:700;font-size:12px}.icon-btn{display:none;border:0;background:#eef2f7;border-radius:9px;padding:8px 10px;margin-right:12px}.content{padding:26px;flex:1}.footer{padding:18px 28px;color:var(--muted);font-size:12px}.grid{display:grid;gap:18px}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card h2,.card h3{margin:0 0 14px}.metric{display:flex;align-items:center;justify-content:space-between}.metric .value{font-size:29px;font-weight:800}.metric .label{color:var(--muted);font-weight:600}.metric .ico{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#eff6ff;color:#1d4ed8;font-size:20px}.section-head{display:flex;align-items:center;gap:12px;margin-bottom:15px}.section-head h2{margin:0}.section-head .actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}.btn{border:1px solid transparent;border-radius:10px;padding:9px 13px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary2)}.btn.secondary{background:#fff;border-color:#d7dee8;color:#334155}.btn.success{background:#dcfce7;color:#166534;border-color:#bbf7d0}.btn.danger{background:#fee2e2;color:#991b1b;border-color:#fecaca}.btn.warning{background:#ffedd5;color:#9a3412;border-color:#fed7aa}.btn.small{padding:6px 9px;border-radius:8px;font-size:12px}.btn.full{width:100%}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{padding:11px 12px;border-bottom:1px solid var(--line);white-space:nowrap;text-align:left;vertical-align:middle}.table th{background:#f8fafc;color:#475569;font-size:12px;text-transform:uppercase;letter-spacing:.02em}.table tr:last-child td{border-bottom:0}.table td.wrap{white-space:normal;min-width:220px}.badge{display:inline-flex;padding:5px 9px;border-radius:999px;font-size:11px;font-weight:800}.badge.success{background:#dcfce7;color:#166534}.badge.info{background:#e0f2fe;color:#075985}.badge.warning{background:#fef3c7;color:#92400e}.badge.danger{background:#fee2e2;color:#991b1b}.badge.neutral{background:#eef2f7;color:#475569}.alert{padding:12px 14px;border-radius:11px;margin:0 0 16px;border:1px solid}.alert.success{background:#ecfdf5;border-color:#bbf7d0;color:#166534}.alert.danger{background:#fef2f2;border-color:#fecaca;color:#991b1b}.alert.warning{background:#fff7ed;border-color:#fed7aa;color:#9a3412}.alert.info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid .full-row{grid-column:1/-1}label{display:block;font-weight:700;color:#334155;margin-bottom:4px}input[type=text],input[type=password],input[type=number],input[type=date],input[type=time],input[type=url],select,textarea{width:100%;border:1px solid #d7dee8;background:#fff;border-radius:10px;padding:10px 11px;outline:none;color:#172033}input:focus,select:focus,textarea:focus{border-color:#93c5fd;box-shadow:0 0 0 3px #dbeafe}textarea{min-height:88px;resize:vertical}.check{display:flex;align-items:center;gap:8px;font-weight:600}.muted{color:var(--muted)}.help{font-size:12px;color:var(--muted);margin-top:5px}.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:14px}.toolbar .grow{flex:1;min-width:220px}.split{display:flex;gap:18px;align-items:flex-start}.split>.main-col{flex:1;min-width:0}.split>.side-col{width:360px}.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;background:#f8fafc;border:1px solid var(--line);padding:9px;border-radius:9px;overflow:auto}.auth-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,#dbeafe,transparent 40%),#f8fafc;padding:20px}.auth-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:0 20px 60px rgba(15,23,42,.12)}.auth-card.wide{width:min(620px,100%)}.auth-card h1{text-align:center;margin:0 0 8px}.auth-card p{text-align:center}.auth-card label{margin-top:14px}.auth-foot{text-align:center;margin-top:16px}.kpi-row{display:flex;gap:8px;flex-wrap:wrap}.kpi-mini{background:#f8fafc;border:1px solid var(--line);padding:10px 12px;border-radius:10px;min-width:120px}.kpi-mini b{display:block;font-size:20px}.empty{padding:30px;text-align:center;color:var(--muted)}.server-dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:6px;background:#94a3b8}.server-dot.online{background:#22c55e}.server-dot.offline{background:#ef4444}.notice{border-left:4px solid #60a5fa;padding:10px 12px;background:#eff6ff;border-radius:8px;color:#1e3a8a}.pagination{display:flex;gap:6px;margin-top:12px}.pagination a{padding:6px 9px;border:1px solid var(--line);background:#fff;border-radius:8px}.nowrap{white-space:nowrap}@media(max-width:1050px){.grid.cols-4{grid-template-columns:repeat(2,1fr)}.grid.cols-3{grid-template-columns:repeat(2,1fr)}.split{display:block}.split>.side-col{width:auto;margin-top:18px}}@media(max-width:780px){.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:translateX(0)}.main{margin-left:0;width:100%}.icon-btn{display:inline-block}.content{padding:18px}.topbar{padding:0 16px}.grid.cols-4,.grid.cols-3,.grid.cols-2,.form-grid{grid-template-columns:1fr}.topbar-right{display:none}.card{padding:16px}.section-head{align-items:flex-start;flex-direction:column}.section-head .actions{margin-left:0}}

/* v1.2.2 - public portal + custom popup */
.portal-body{min-height:100vh;margin:0;background:radial-gradient(circle at 15% 10%,#dbeafe 0,transparent 34%),radial-gradient(circle at 85% 85%,#e0e7ff 0,transparent 34%),#f6f8fc;display:grid;place-items:center;padding:24px}.portal-shell{width:min(920px,100%)}.portal-brand{text-align:center;margin-bottom:28px}.portal-brand .brand-mark{margin-bottom:14px}.portal-brand h1{margin:0;font-size:34px}.portal-brand p{margin:8px 0 0;color:var(--muted);font-size:16px}.portal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.portal-choice{width:100%;appearance:none;text-align:left;border:1px solid var(--line);background:#fff;border-radius:22px;padding:28px;display:flex;align-items:flex-start;gap:20px;color:var(--text);box-shadow:0 18px 50px rgba(15,23,42,.08);transition:.18s ease;cursor:pointer}.portal-choice:hover{transform:translateY(-3px);box-shadow:0 24px 65px rgba(15,23,42,.13);border-color:#bfdbfe}.portal-choice .portal-icon{width:64px;height:64px;flex:0 0 64px;border-radius:19px;display:grid;place-items:center;font-size:25px;font-weight:900}.portal-choice.teacher .portal-icon{background:#dbeafe;color:#1d4ed8}.portal-choice.student .portal-icon{background:#dcfce7;color:#15803d}.portal-choice h2{font-size:24px;margin:2px 0 8px}.portal-choice p{margin:0;color:var(--muted);line-height:1.55}.portal-arrow{display:inline-block;margin-top:18px;font-weight:800;color:var(--primary)}.portal-choice.student .portal-arrow{color:#15803d}.portal-choice.disabled{opacity:.68;cursor:pointer}.portal-choice.disabled:hover{transform:none;box-shadow:0 18px 50px rgba(15,23,42,.08)}.portal-note{margin:18px auto 0;padding:12px 16px;text-align:center;border-radius:12px;background:#fff7ed;color:#9a3412;border:1px solid #fed7aa}.portal-foot{text-align:center;margin-top:24px;color:#94a3b8;font-size:12px}

.app-modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.52);backdrop-filter:blur(3px);display:grid;place-items:center;padding:20px;z-index:9999;opacity:0;transition:.18s ease}.app-modal-backdrop.show{opacity:1}.app-modal{width:min(470px,100%);background:#fff;border:1px solid #e2e8f0;border-radius:22px;padding:26px;box-shadow:0 30px 90px rgba(15,23,42,.28);transform:translateY(8px) scale(.985);transition:.18s ease}.app-modal-backdrop.show .app-modal{transform:translateY(0) scale(1)}.app-modal-icon{width:52px;height:52px;border-radius:17px;display:grid;place-items:center;font-size:22px;font-weight:900;margin-bottom:16px}.app-modal-icon.neutral{background:#eff6ff;color:#1d4ed8}.app-modal-icon.info{background:#e0f2fe;color:#0369a1}.app-modal-icon.success{background:#dcfce7;color:#15803d}.app-modal-icon.warning{background:#fef3c7;color:#b45309}.app-modal-icon.danger{background:#fee2e2;color:#b91c1c}.app-modal-body h3{font-size:20px;margin:0 0 8px}.app-modal-body p{margin:0;color:#475569;line-height:1.6;white-space:pre-line}.app-modal-actions{margin-top:22px;display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}

.app-toast-stack{position:fixed;top:18px;right:18px;z-index:10000;width:min(390px,calc(100vw - 36px));display:flex;flex-direction:column;gap:10px}.app-toast{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:14px 42px 14px 14px;box-shadow:0 18px 55px rgba(15,23,42,.18);display:flex;align-items:flex-start;gap:11px;position:relative;opacity:0;transform:translateY(-10px);transition:.18s ease}.app-toast.show{opacity:1;transform:translateY(0)}.app-toast-icon{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;flex:0 0 34px;font-weight:900}.app-toast.success .app-toast-icon{background:#dcfce7;color:#15803d}.app-toast.danger .app-toast-icon{background:#fee2e2;color:#b91c1c}.app-toast.warning .app-toast-icon{background:#fef3c7;color:#b45309}.app-toast.info .app-toast-icon{background:#e0f2fe;color:#0369a1}.app-toast-text{display:flex;flex-direction:column;gap:3px;line-height:1.35}.app-toast-text span{color:#475569}.app-toast-close{position:absolute;right:10px;top:8px;border:0;background:transparent;color:#94a3b8;font-size:21px;cursor:pointer}

@media(max-width:700px){.portal-grid{grid-template-columns:1fr}.portal-choice{padding:22px}.portal-brand h1{font-size:29px}.app-toast-stack{left:14px;right:14px;top:14px;width:auto}.app-modal-actions>.btn{flex:1}}

/* =========================================================
   v1.2.4 - landing page, school logo, collapsible sidebar
   ========================================================= */
.school-logo{display:block;width:72px;height:72px;object-fit:contain}.auth-logo{display:flex;justify-content:center;margin-bottom:14px}.auth-logo .school-logo{width:78px;height:78px}.sidebar-logo{width:42px;height:42px;flex:0 0 42px}.sidebar-brand{min-height:64px}.brand-text{min-width:0;transition:opacity .16s ease,width .16s ease}.brand-text b{display:block;white-space:nowrap}.nav-icon{width:22px!important;min-width:22px;text-align:center;font-size:17px}.nav-label{white-space:nowrap;overflow:hidden}.logout-link{display:flex;align-items:center;gap:7px;color:#fca5a5!important}.logout-icon{font-size:18px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid #dfe6ef;background:#f8fafc;color:#334155;border-radius:10px;padding:8px 10px;margin-right:12px;cursor:pointer;transition:.16s ease}.icon-btn:hover{background:#eef2f7}.hamburger{font-size:18px;line-height:1}.topbar-title{min-width:0}

/* Desktop sidebar collapsed mode */
body.sidebar-collapsed .sidebar{width:82px;padding-left:10px;padding-right:10px}
body.sidebar-collapsed .sidebar-brand{justify-content:center;padding-left:0;padding-right:0}
body.sidebar-collapsed .sidebar-logo{width:44px;height:44px}
body.sidebar-collapsed .brand-text,
body.sidebar-collapsed .nav-label,
body.sidebar-collapsed .user-mini,
body.sidebar-collapsed .logout-label{display:none}
body.sidebar-collapsed .sidebar nav a{justify-content:center;padding-left:10px;padding-right:10px}
body.sidebar-collapsed .sidebar nav a .nav-icon{margin:0}
body.sidebar-collapsed .sidebar-foot{justify-content:center;padding-left:0;padding-right:0}
body.sidebar-collapsed .main{margin-left:82px;width:calc(100% - 82px)}
.sidebar,.main{transition:width .18s ease,margin-left .18s ease,transform .2s ease}

/* Landing page */
.portal-body{min-height:100vh;margin:0;padding:34px 22px;background:linear-gradient(180deg,#edf5ff 0%,#f7f9fc 46%,#f7f9fc 100%);display:flex;align-items:center;justify-content:center}.portal-shell{width:100%;max-width:1000px;margin:0 auto}.portal-hero{text-align:center;margin-bottom:30px}.school-logo-wrap{width:108px;height:108px;margin:0 auto 17px;border-radius:30px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.88);border:1px solid #dbe6f3;box-shadow:0 16px 45px rgba(30,64,175,.12)}.portal-logo{width:86px;height:86px}.portal-kicker{display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border-radius:999px;background:#dbeafe;color:#1d4ed8;font-size:11px;font-weight:900;letter-spacing:.1em;margin-bottom:11px}.portal-hero h1{margin:0;color:#172033;font-size:clamp(30px,4vw,44px);line-height:1.08}.portal-subtitle{margin:10px 0 0;color:#64748b;font-size:16px}.portal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.portal-choice{width:100%;min-height:220px;appearance:none;-webkit-appearance:none;text-align:left;border:1px solid #dfe7f1;background:#fff;border-radius:24px;padding:28px;display:flex;align-items:flex-start;gap:20px;color:#172033;box-shadow:0 18px 50px rgba(15,23,42,.07);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;cursor:pointer}.portal-choice:hover{transform:translateY(-4px);box-shadow:0 25px 66px rgba(15,23,42,.12);border-color:#b9d4ff}.portal-choice .portal-icon{width:66px;height:66px;flex:0 0 66px;border-radius:20px;display:flex;align-items:center;justify-content:center}.portal-choice .portal-icon svg{width:32px;height:32px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.portal-choice.teacher .portal-icon{background:#dbeafe;color:#1d4ed8}.portal-choice.student .portal-icon{background:#dcfce7;color:#15803d}.portal-choice-copy{min-width:0}.portal-label{display:inline-block;margin-bottom:7px;font-size:10px;font-weight:900;letter-spacing:.12em;color:#94a3b8}.portal-choice h2{font-size:26px;margin:0 0 8px;color:#172033}.portal-choice p{margin:0;color:#64748b;line-height:1.62;font-size:14px}.portal-choice p b{color:#334155}.portal-arrow{display:inline-flex;align-items:center;gap:8px;margin-top:21px;font-weight:850;color:#2563eb}.portal-choice.student .portal-arrow{color:#15803d}.portal-choice.disabled{opacity:.72}.portal-choice.disabled:hover{transform:none;box-shadow:0 18px 50px rgba(15,23,42,.07);border-color:#dfe7f1}.portal-note{max-width:760px;margin:18px auto 0;padding:12px 16px;text-align:center;border-radius:12px;background:#fff7ed;color:#9a3412;border:1px solid #fed7aa}.portal-foot{display:flex;justify-content:center;align-items:center;gap:8px;text-align:center;margin-top:24px;color:#94a3b8;font-size:12px}.portal-dot{opacity:.65}

/* Better login layout */
.auth-card{position:relative}.auth-card .btn.full{margin-top:16px}.auth-card .muted{line-height:1.55}.auth-card h1{font-size:27px}

@media(max-width:780px){
  body.sidebar-collapsed .sidebar{width:250px;padding:18px 14px;transform:translateX(-100%)}
  body.sidebar-collapsed .sidebar.open{transform:translateX(0)}
  body.sidebar-collapsed .brand-text,body.sidebar-collapsed .nav-label,body.sidebar-collapsed .user-mini,body.sidebar-collapsed .logout-label{display:block}
  body.sidebar-collapsed .sidebar nav a{justify-content:flex-start;padding:10px 12px}
  body.sidebar-collapsed .sidebar-foot{justify-content:space-between;padding:14px 8px 0}
  body.sidebar-collapsed .main{margin-left:0;width:100%}
  .icon-btn{display:inline-flex}
}
@media(max-width:700px){
  .portal-body{align-items:flex-start;padding:24px 15px 30px}
  .portal-shell{max-width:560px}
  .portal-hero{margin-bottom:22px}
  .school-logo-wrap{width:92px;height:92px;border-radius:26px}.portal-logo{width:72px;height:72px}
  .portal-grid{grid-template-columns:1fr;gap:15px}
  .portal-choice{min-height:0;padding:22px;border-radius:20px;gap:16px}
  .portal-choice .portal-icon{width:56px;height:56px;flex-basis:56px;border-radius:17px}.portal-choice .portal-icon svg{width:27px;height:27px}
  .portal-choice h2{font-size:22px}.portal-hero h1{font-size:30px}.portal-subtitle{font-size:14px}
  .portal-foot{flex-wrap:wrap}.portal-dot{display:none}.portal-foot span{width:100%}
}
@media(max-width:430px){
  .portal-choice{display:block}.portal-choice .portal-icon{margin-bottom:16px}.portal-body{padding-left:12px;padding-right:12px}
}

/* =========================================================
   v1.2.4 - fix sidebar menu labels
   Previous generic `.sidebar nav a span` rule constrained BOTH
   icon and label to 20px. Keep only the icon fixed-width.
   ========================================================= */
.sidebar nav a .nav-icon{
  width:22px!important;
  min-width:22px;
  flex:0 0 22px;
  text-align:center;
  color:#93c5fd;
}
.sidebar nav a .nav-label{
  width:auto!important;
  min-width:0;
  flex:1 1 auto;
  text-align:left;
  color:inherit;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
body.sidebar-collapsed .sidebar nav a .nav-label{display:none}
@media(max-width:780px){
  body.sidebar-collapsed .sidebar nav a .nav-label{display:block}
}

/* =========================================================
   v1.2.5 - branding / uploaded school logo
   ========================================================= */
.portal-school-tagline{margin-top:8px;color:#2563eb;font-weight:800;font-size:14px;letter-spacing:.02em}.auth-school-name{text-align:center;font-weight:850;color:#172033;margin-top:-2px}.auth-school-tagline{text-align:center;color:#64748b;font-size:12px;margin:3px 0 14px}.branding-grid{align-items:start}.branding-preview-card{position:sticky;top:98px}.branding-preview{border:1px solid var(--line);background:linear-gradient(145deg,#f8fbff,#fff);border-radius:18px;padding:24px;display:flex;gap:20px;align-items:center;margin-bottom:18px}.branding-preview-logo-box{width:112px;height:112px;flex:0 0 112px;border-radius:28px;border:1px solid #dbe6f3;background:#fff;display:grid;place-items:center;box-shadow:0 12px 30px rgba(15,23,42,.07)}.branding-preview-logo{width:88px;height:88px;object-fit:contain}.branding-preview-copy{min-width:0}.branding-preview-copy h3{font-size:25px;margin:3px 0 8px;line-height:1.18}.branding-preview-copy b{display:block;color:#334155}.branding-preview-copy p{margin:6px 0 0;color:#64748b}.branding-current-path{display:grid;gap:6px;margin:16px 0}.branding-current-path span{font-size:12px;font-weight:800;color:#64748b;text-transform:uppercase;letter-spacing:.04em}.branding-current-path code{display:block;overflow-wrap:anywhere;background:#f8fafc;border:1px solid var(--line);border-radius:9px;padding:9px;color:#475569}input[type=file]{width:100%;border:1px dashed #cbd5e1;background:#f8fafc;border-radius:10px;padding:11px;color:#475569}input[type=file]:focus{border-color:#93c5fd;box-shadow:0 0 0 3px #dbeafe}
@media(max-width:900px){.branding-grid{grid-template-columns:1fr!important}.branding-preview-card{position:static}}
@media(max-width:520px){.branding-preview{display:block;text-align:center}.branding-preview-logo-box{margin:0 auto 16px}.branding-preview-copy .portal-kicker{margin-bottom:6px}}