*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#F4F6FA;
  --surface:#FFFFFF;
  --surface2:#F0F3F9;
  --navy:#0D1F3C;
  --navy2:#1A3260;
  --teal:#0EA5A0;
  --teal2:#0CC4BE;
  --teal-light:#E0F7F6;
  --green:#16A34A;
  --green-bg:#F0FDF4;
  --red:#DC2626;
  --red-bg:#FEF2F2;
  --amber:#D97706;
  --amber-bg:#FFFBEB;
  --blue:#2563EB;
  --blue-bg:#EFF6FF;
  --text:#0D1F3C;
  --text2:#4B5E7A;
  --text3:#8FA3BE;
  --border:#E2E8F2;
  --border2:#C8D4E6;
  --font:'Sora',sans-serif;
  --mono:'JetBrains Mono',monospace;
  --sidebar:252px;
  --radius:12px;
  --radius-sm:8px;
  --grade7:  #6366f1;   /* indigo  */
  --grade8:  #D97706;   /* amber  (reuses --amber value) */
  --grade9:  #16A34A;   /* green  (reuses --green value) */
  --grade10: #2563EB;   /* blue   (reuses --blue value)  */
  --grade11: #ec4899;   /* pink   */
  --grade12: #8b5cf6;   /* violet */
}
body{font-family:var(--font);background:var(--bg);color:var(--text);display:flex;min-height:100vh;font-size:14px}
#sidebar{
  width:var(--sidebar);min-width:var(--sidebar);
  background:var(--navy);height:100vh;
  position:sticky;top:0;display:flex;flex-direction:column;
  overflow-y:auto;
}
.logo-wrap{padding:24px 20px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.logo-name{font-size:20px;font-weight:700;color:#fff;letter-spacing:-.5px}
.logo-name em{color:var(--teal2);font-style:normal}
.logo-tag{font-size:10px;color:rgba(255,255,255,.35);letter-spacing:1px;text-transform:uppercase;margin-top:3px}
.school-pill{
  margin:14px 16px 0;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);border-radius:9px;
  padding:10px 12px;display:flex;align-items:center;gap:9px;
}
.school-pill .s-icon{
  width:30px;height:30px;border-radius:7px;
  background:var(--teal);display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;flex-shrink:0;
}
.school-pill .s-name{font-size:12px;font-weight:500;color:#fff;line-height:1.3}
.school-pill .s-sub{font-size:10px;color:rgba(255,255,255,.4)}
nav{padding:14px 12px;flex:1}
.nav-section{margin-bottom:22px}
.nav-section-label{font-size:9.5px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;color:rgba(255,255,255,.28);padding:0 8px 8px}
.nav-item{
  display:flex;align-items:center;gap:9px;padding:9px 10px;
  border-radius:8px;cursor:pointer;color:rgba(255,255,255,.5);
  font-size:13px;font-weight:400;transition:all .15s;margin-bottom:1px;
  position:relative;
}
.nav-item svg{width:16px;height:16px;flex-shrink:0;opacity:.7}
.nav-item:hover{background:rgba(255,255,255,.07);color:rgba(255,255,255,.85)}
.nav-item.active{background:rgba(14,165,160,.18);color:var(--teal2);font-weight:500}
.nav-item.active svg{opacity:1}
.nav-item .nav-badge{
  margin-left:auto;background:var(--red);color:#fff;
  font-size:9.5px;font-weight:700;border-radius:20px;
  padding:1px 6px;min-width:18px;text-align:center;
}
.nav-item .nav-badge.green{background:var(--teal)}
.sidebar-bottom{padding:14px 16px 20px;border-top:1px solid rgba(255,255,255,.08)}
.user-row{display:flex;align-items:center;gap:9px}
.user-avatar{
  width:34px;height:34px;border-radius:50%;
  background:linear-gradient(135deg,var(--teal),#0880a0);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;flex-shrink:0;
}
.user-info .u-name{font-size:12.5px;font-weight:500;color:#fff}
.user-info .u-role{font-size:10.5px;color:rgba(255,255,255,.38)}
.user-row{position:relative;cursor:pointer}
.user-menu-arrow{margin-left:auto;color:rgba(255,255,255,.7);font-size:12px;line-height:1.2}
.user-menu-dropdown{position:absolute;right:0;bottom:50px;min-width:140px;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:8px;box-shadow:0 10px 22px rgba(0,0,0,.16);padding:8px;z-index:100}
.user-menu-dropdown form{margin:0}
.user-menu-dropdown button{width:100%;text-align:left}
#main{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden}
#topbar{
  background:var(--surface);border-bottom:1px solid var(--border);
  padding:0 28px;height:60px;display:flex;align-items:center;
  justify-content:space-between;position:sticky;top:0;z-index:50;
  gap:16px;
}
.topbar-left{display:flex;align-items:center;gap:12px}
.topbar-left h1{font-size:17px;font-weight:600;letter-spacing:-.3px}
.page-crumb{font-size:12px;color:var(--text3);display:flex;align-items:center;gap:4px}
.topbar-right{display:flex;align-items:center;gap:10px}
.tb-search{
  display:flex;align-items:center;gap:8px;
  background:var(--surface2);border:1px solid var(--border);
  border-radius:8px;padding:7px 12px;width:220px;
}
.tb-search svg{width:14px;height:14px;color:var(--text3);flex-shrink:0}
.tb-search input{border:none;background:none;outline:none;font-size:13px;font-family:var(--font);color:var(--text);width:100%}
.tb-search input::placeholder{color:var(--text3)}
.tb-btn{
  width:36px;height:36px;border-radius:8px;border:1px solid var(--border);
  background:var(--surface);display:flex;align-items:center;justify-content:center;
  cursor:pointer;position:relative;transition:background .15s;
}
.tb-btn:hover{background:var(--surface2)}
.tb-btn svg{width:16px;height:16px;color:var(--text2)}
.tb-notif-dot{
  position:absolute;top:7px;right:7px;width:7px;height:7px;
  border-radius:50%;background:var(--red);border:1.5px solid var(--surface);
}
.date-chip{
  background:var(--navy);color:#fff;
  border-radius:8px;padding:6px 12px;font-size:12px;font-weight:500;
}
#content{flex:1;overflow-y:auto;padding:24px 28px}
.page{display:none}
.page.active{display:block;animation:fadeIn .2s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.section-title{font-size:14px;font-weight:600;letter-spacing:-.2px}
.section-meta{font-size:12px;color:var(--text3)}
.section-actions{display:flex;gap:8px}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.stat-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px 20px;
  position:relative;overflow:hidden;
}
.stat-card::after{
  content:'';position:absolute;right:-16px;top:-16px;
  width:72px;height:72px;border-radius:50%;
  background:var(--glow);
}
.stat-icon{
  width:38px;height:38px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:12px;
}
.stat-icon svg{width:18px;height:18px}
.stat-num{font-size:30px;font-weight:700;letter-spacing:-.5px;line-height:1;margin-bottom:4px}
.stat-lbl{font-size:12px;color:var(--text2);margin-bottom:6px}
.stat-change{font-size:11.5px;display:flex;align-items:center;gap:4px}
.up{color:var(--green)}
.dn{color:var(--red)}
.neu{color:var(--text3)}
.grid-3-2{display:grid;grid-template-columns:3fr 2fr;gap:18px;margin-bottom:22px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:22px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;margin-bottom:22px}
.card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px 20px;
}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.card-title{font-size:13.5px;font-weight:600;letter-spacing:-.2px}
.card-meta{font-size:12px;color:var(--text3)}
.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:8px;font-size:12.5px;
  font-weight:500;cursor:pointer;border:none;
  font-family:var(--font);transition:all .15s;
}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy2)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal2)}
.btn-ghost{background:transparent;color:var(--text2);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--surface2)}
.btn-sm{padding:5px 10px;font-size:11.5px}
.btn-danger{background:var(--red-bg);color:var(--red);border:1px solid #fecaca}
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th{
  text-align:left;padding:9px 12px;font-size:11px;font-weight:600;
  text-transform:uppercase;letter-spacing:.6px;color:var(--text3);
  border-bottom:1px solid var(--border);white-space:nowrap;
}
td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--surface2)}
.stu-cell{display:flex;align-items:center;gap:9px}
.stu-av{
  width:30px;height:30px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;flex-shrink:0;
}
.badge{
  display:inline-flex;align-items:center;gap:3px;
  padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600;
}
.b-green{background:var(--green-bg);color:var(--green)}
.b-red{background:var(--red-bg);color:var(--red)}
.b-amber{background:var(--amber-bg);color:var(--amber)}
.b-blue{background:var(--blue-bg);color:var(--blue)}
.b-teal{background:var(--teal-light);color:#0F6E56}
.b-gray{background:var(--surface2);color:var(--text2)}
.feed-item{
  display:flex;align-items:center;gap:10px;
  padding:9px 0;border-bottom:1px solid var(--border);
}
.feed-item:last-child{border-bottom:none}
.feed-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.feed-name{flex:1;font-size:13px;font-weight:500}
.feed-grade{font-size:11px;color:var(--text3)}
.feed-time{font-size:11.5px;color:var(--text3);font-family:var(--mono)}
.live-chip{
  display:flex;align-items:center;gap:5px;font-size:11px;
  color:var(--green);font-weight:500;
}
.live-dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}
.mini-chart{display:flex;align-items:flex-end;gap:5px;height:80px;margin-top:8px}
.mc-group{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px}
.mc-bars{display:flex;gap:2px;align-items:flex-end;height:64px}
.mc-bar{width:10px;border-radius:3px 3px 0 0;transition:height .5s ease;cursor:pointer}
.mc-bar:hover{opacity:.75}
.mc-day{font-size:9.5px;color:var(--text3);font-family:var(--mono)}
.prog-row{margin-bottom:12px}
.prog-meta{display:flex;justify-content:space-between;font-size:12.5px;margin-bottom:5px}
.prog-meta span:last-child{font-weight:600;color:var(--text)}
.prog-track{height:7px;background:var(--surface2);border-radius:4px;overflow:hidden}
.prog-fill{height:100%;border-radius:4px}
.alert-item{
  display:flex;align-items:flex-start;gap:10px;
  padding:11px 0;border-bottom:1px solid var(--border);
}
.alert-item:last-child{border-bottom:none}
.alert-icon{
  width:32px;height:32px;border-radius:8px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
}
.alert-icon svg{width:15px;height:15px}
.alert-body p{font-size:13px;font-weight:500;line-height:1.4}
.alert-body span{font-size:11.5px;color:var(--text3)}
.alert-action{margin-left:auto;flex-shrink:0}
.scanner-card{
  display:flex;align-items:center;gap:12px;
  padding:12px;background:var(--surface2);
  border-radius:var(--radius-sm);margin-bottom:8px;
}
.scanner-card:last-child{margin-bottom:0}
.sc-icon{
  width:38px;height:38px;border-radius:9px;
  background:var(--surface);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.sc-icon svg{width:18px;height:18px;color:var(--text2)}
.sc-body{flex:1}
.sc-name{font-size:13px;font-weight:500}
.sc-meta{font-size:11px;color:var(--text3);margin-top:1px}
.sc-status{display:flex;align-items:center;gap:5px;font-size:11.5px;font-weight:500}
.sc-dot{width:7px;height:7px;border-radius:50%}
.sc-dot.on{background:var(--green);animation:pulse 2s infinite}
.sc-dot.off{background:var(--red)}
.ann-item{
  padding:12px 14px;border-radius:var(--radius-sm);
  border-left:3px solid var(--teal);background:var(--teal-light);
  margin-bottom:8px;
}
.ann-item:last-child{margin-bottom:0}
.ann-item.warn{border-left-color:var(--amber);background:var(--amber-bg)}
.ann-item.danger{border-left-color:var(--red);background:var(--red-bg)}
.ann-title{font-size:13px;font-weight:600;margin-bottom:2px;color:var(--text)}
.ann-body{font-size:12px;color:var(--text2);line-height:1.5}
.ann-time{font-size:11px;color:var(--text3);margin-top:4px;font-family:var(--mono)}
.qa-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:22px}
.qa-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:14px;
  display:flex;flex-direction:column;align-items:flex-start;
  cursor:pointer;transition:all .15s;gap:8px;
}
.qa-card:hover{background:var(--surface2);transform:translateY(-1px)}
.qa-icon{
  width:36px;height:36px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
}
.qa-icon svg{width:17px;height:17px}
.qa-label{font-size:12.5px;font-weight:500;line-height:1.4}
.qa-sub{font-size:11px;color:var(--text3)}
.filter-bar{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.filter-input{
  flex:1;min-width:200px;
  display:flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:8px;padding:8px 12px;
}
.filter-input svg{width:14px;height:14px;color:var(--text3);flex-shrink:0}
.filter-input input{border:none;background:none;outline:none;font-size:13px;font-family:var(--font);color:var(--text);width:100%}
.filter-select{
  background:var(--surface);border:1px solid var(--border);
  border-radius:8px;padding:8px 12px;font-size:13px;
  color:var(--text);font-family:var(--font);cursor:pointer;outline:none;
}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:11.5px;font-weight:500;color:var(--text2);margin-bottom:5px;text-transform:uppercase;letter-spacing:.4px}
.form-group input,.form-group select,.form-group textarea{
  width:100%;background:var(--surface2);border:1px solid var(--border);
  border-radius:8px;padding:9px 12px;font-size:13.5px;color:var(--text);
  font-family:var(--font);outline:none;transition:border .15s;
}
.form-group input:focus,.form-group select:focus{border-color:var(--teal)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.modal-bg{
  position:fixed;inset:0;background:rgba(13,31,60,.5);
  display:none;align-items:center;justify-content:center;z-index:100;
  backdrop-filter:blur(2px);
}
.modal-bg.open{display:flex}
.modal{
  background:var(--surface);border-radius:16px;
  padding:28px;width:500px;max-width:94vw;
  animation:fadeIn .2s ease;border:1px solid var(--border);
}
.modal h2{font-size:17px;font-weight:600;margin-bottom:20px}
.modal-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}
.report-big{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:22px;margin-bottom:22px;
}
.rpt-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.rpt-title{font-size:16px;font-weight:700;letter-spacing:-.3px}
.rpt-sub{font-size:12px;color:var(--text3);margin-top:3px}
.rpt-stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
.rpt-stat{background:var(--surface2);border-radius:var(--radius-sm);padding:14px}
.rpt-stat-num{font-size:24px;font-weight:700;letter-spacing:-.4px}
.rpt-stat-lbl{font-size:11px;color:var(--text2);margin-top:3px}
.month-chart{display:flex;align-items:flex-end;gap:8px;height:110px;margin-top:6px}
.mch-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px}
.mch-bar{width:100%;border-radius:4px 4px 0 0;transition:height .6s ease;cursor:pointer;position:relative}
.mch-bar:hover::after{
  content:attr(data-tip);position:absolute;top:-24px;left:50%;
  transform:translateX(-50%);background:var(--navy);color:#fff;
  font-size:10px;padding:3px 7px;border-radius:5px;white-space:nowrap;
  font-family:var(--mono);
}
.mch-label{font-size:9.5px;color:var(--text3);font-family:var(--mono)}
.notif-item{
  display:flex;align-items:flex-start;gap:11px;
  padding:12px 0;border-bottom:1px solid var(--border);
}
.notif-item:last-child{border-bottom:none}
.notif-av{
  width:36px;height:36px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
}
.notif-body{flex:1}
.notif-body strong{font-size:13px;font-weight:500;color:var(--text)}
.notif-body p{font-size:12px;color:var(--text2);margin-top:2px;line-height:1.5}
.notif-meta{font-size:11px;color:var(--text3);margin-top:4px;display:flex;gap:10px}
.notif-time{margin-left:auto;font-size:11px;color:var(--text3);white-space:nowrap;font-family:var(--mono)}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px}
.av-teal{background:#E0F7F6;color:#0F6E56}
.av-blue{background:#EFF6FF;color:#1D4ED8}
.av-purple{background:#F5F3FF;color:#5B21B6}
.av-amber{background:#FFFBEB;color:#92400E}
.av-rose{background:#FFF1F2;color:#9F1239}
.av-green{background:#F0FDF4;color:#14532D}
.form-error{font-size:11px;color:var(--red);margin-top:4px;min-height:14px}
#toast-container{position:fixed;top:16px;right:16px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{
  min-width:220px;max-width:320px;padding:10px 12px;border-radius:10px;
  border:1px solid var(--border);background:var(--surface);box-shadow:0 8px 24px rgba(0,0,0,.08);
  font-size:12px;color:var(--text);animation:fadeIn .15s ease;
}
.toast.success{border-color:#bbf7d0;background:#f0fdf4;color:#166534}
.toast.error{border-color:#fecaca;background:#fef2f2;color:#991b1b}
.grade-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
 
.grade-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 99px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text2);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s;
  user-select: none;
}
 
.grade-tab:hover {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border2);
}
 
/* Active "All Grades" tab uses the navy brand colour */
.grade-tab.active {
  background: var(--navy);
  color: #fff;
  border-color: transparent;
}
 
/* Active per-grade tabs use their grade colour */
.grade-tab.active[data-grade="7"]  { background: var(--grade7);  }
.grade-tab.active[data-grade="8"]  { background: var(--grade8);  }
.grade-tab.active[data-grade="9"]  { background: var(--grade9);  }
.grade-tab.active[data-grade="10"] { background: var(--grade10); }
.grade-tab.active[data-grade="11"] { background: var(--grade11); }
.grade-tab.active[data-grade="12"] { background: var(--grade12); }
 
.grade-tab-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
 
.grade-tab-count {
  font-size: 11px;
  font-weight: 700;
  background: rgba(0,0,0,.08);
  border-radius: 99px;
  padding: 1px 7px;
  color: inherit;
  min-width: 20px;
  text-align: center;
}
 
.grade-tab.active .grade-tab-count {
  background: rgba(255,255,255,.22);
}
 
.grade-group {
  margin-bottom: 22px;
}
 
.grade-group-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
 
.grade-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 11.5px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}
 
.grade-badge svg { flex-shrink: 0; }
 
.grade-divider {
  flex: 1;
  height: 1px;
  background: var(--border);
}
 
.grade-count-label {
  font-size: 11.5px;
  color: var(--text3);
  font-weight: 600;
  white-space: nowrap;
}