/* CBT Portal — Vibrant Campus Theme (violet · pink · teal · amber) */
:root{
  --bg:#f7f6fb; --text:#131226; --muted:#5c5b78;
  --violet:#6d28f5; --violet-2:#8b5cf6; --indigo:#3b45e4;
  --pink:#ec4899; --rose:#f43f5e; --orange:#fb923c; --amber:#f59e0b;
  --teal:#0ea5a5; --green:#10b981; --sky:#38bdf8;
  --primary:#6d28f5; --primary-2:#b026d3;
  --grad-main:linear-gradient(135deg,#6d28f5,#b026d3 55%,#f43f5e);
  --grad-pupil:linear-gradient(135deg,#4338ca,#6d28f5);
  --grad-parent:linear-gradient(135deg,#059669,#0ea5a5);
  --grad-staff:linear-gradient(135deg,#ec4899,#fb7185 50%,#fb923c);
  --grad-admin:linear-gradient(135deg,#f59e0b,#fb923c);
  --card-bg:rgba(255,255,255,.72); --card-bd:rgba(109,40,245,.14);
  --success:#10b981; --danger:#ef4444; --warn:#f59e0b;
  --shadow:0 18px 45px rgba(76,29,149,.16);
  --shadow-lift:0 22px 55px rgba(176,38,211,.28);
  --radius:20px;
}
html[data-theme="dark"]{
  --bg:#0b0a1c; --text:#f4f1ff; --muted:#a9a6cd;
  --card-bg:rgba(28,22,58,.62); --card-bd:rgba(176,38,211,.32);
  --shadow:0 18px 45px rgba(0,0,0,.55);
}
*{box-sizing:border-box}
html,body{max-width:100%;overflow-x:clip}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--text);background:var(--bg);min-height:100vh;position:relative;
  background-image:
    radial-gradient(900px 620px at 8% -8%,rgba(139,92,246,.30),transparent 60%),
    radial-gradient(760px 540px at 104% 6%,rgba(245,158,11,.26),transparent 60%),
    radial-gradient(820px 620px at 50% 118%,rgba(236,72,153,.24),transparent 60%),
    radial-gradient(700px 520px at -6% 90%,rgba(14,165,165,.20),transparent 60%);
  background-attachment:fixed;
}
h1,h2,h3{letter-spacing:-.02em}
a{color:var(--primary-2);text-decoration:none;transition:color .2s}
a:hover{color:var(--rose)}
img{max-width:100%;height:auto}
::selection{background:rgba(109,40,245,.25)}

/* ---------- Floating animated blobs ---------- */
.shape{position:fixed;border-radius:50%;filter:blur(70px);opacity:.55;z-index:0;pointer-events:none;will-change:transform}
.shape.one{width:340px;height:340px;top:-90px;left:-80px;background:#a78bfa;animation:float1 16s ease-in-out infinite}
.shape.two{width:300px;height:300px;top:20%;right:-90px;background:#fbbf24;animation:float2 19s ease-in-out infinite}
.shape.three{width:320px;height:320px;bottom:-110px;left:35%;background:#f472b6;animation:float3 22s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(60px,50px) scale(1.15)}}
@keyframes float2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-70px,60px) scale(1.1)}}
@keyframes float3{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(50px,-60px) scale(1.18)}}

/* ---------- Cards ---------- */
.glass-card{
  position:relative;background:var(--card-bg);backdrop-filter:blur(20px) saturate(1.35);
  -webkit-backdrop-filter:blur(20px) saturate(1.35);
  border:1px solid var(--card-bd);border-radius:var(--radius);box-shadow:var(--shadow);
  transition:transform .28s cubic-bezier(.2,.8,.2,1),box-shadow .28s;
  animation:rise-in .5s cubic-bezier(.2,.8,.2,1) both;
}
.glass-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
@keyframes rise-in{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@keyframes pop-in{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:999px;border:none;cursor:pointer;font-weight:700;font:inherit;font-weight:700;
  transition:transform .18s,box-shadow .18s,filter .18s;position:relative;overflow:hidden}
.btn:hover{transform:translateY(-2px) scale(1.02)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--grad-main);color:#fff;background-size:180% 180%;animation:shift 7s ease infinite;box-shadow:0 10px 26px rgba(109,40,245,.35)}
.btn-primary:hover{box-shadow:0 14px 32px rgba(236,72,153,.45)}
@keyframes shift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.btn-success{background:var(--grad-parent);color:#fff;box-shadow:0 10px 24px rgba(16,185,129,.32)}
.btn-danger{background:linear-gradient(135deg,#ef4444,#f43f5e);color:#fff;box-shadow:0 10px 24px rgba(239,68,68,.32)}
.btn-ghost{background:var(--card-bg);color:var(--text);border:1px solid var(--card-bd)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-gold{background:var(--grad-admin);color:#2b1a02;font-weight:800;box-shadow:0 10px 24px rgba(245,158,11,.35)}

/* ---------- Forms ---------- */
input,select,textarea{
  width:100%;padding:12px 14px;border-radius:14px;border:1px solid var(--card-bd);
  background:var(--card-bg);color:var(--text);margin:6px 0 14px;font:inherit;max-width:100%;
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(109,40,245,.18)}
label{font-size:13px;color:var(--muted);font-weight:700;letter-spacing:.01em}
.alert{padding:12px 16px;border-radius:14px;margin:10px 0;font-weight:600;animation:pop-in .3s ease both;border:1px solid transparent}
.alert-success{background:linear-gradient(135deg,rgba(16,185,129,.18),rgba(14,165,165,.18));color:#065f46;border-color:rgba(16,185,129,.35)}
.alert-danger{background:linear-gradient(135deg,rgba(239,68,68,.16),rgba(236,72,153,.16));color:#7f1d1d;border-color:rgba(239,68,68,.35)}
html[data-theme="dark"] .alert-success{color:#86efac}
html[data-theme="dark"] .alert-danger{color:#fca5a5}

/* ---------- Layout ---------- */
.app{display:grid;grid-template-columns:264px 1fr;min-height:100vh;position:relative;z-index:1;max-width:100vw}
.sidebar{position:sticky;top:0;height:100vh;padding:20px;border-right:1px solid var(--card-bd);background:var(--card-bg);backdrop-filter:blur(20px);overflow-y:auto;z-index:2}
.sidebar-close{position:absolute;top:10px;right:10px;width:40px;height:40px;border-radius:14px;border:none;background:var(--grad-main);color:#fff;cursor:pointer;font-weight:800;font-size:22px;line-height:1;display:none;align-items:center;justify-content:center;z-index:101;box-shadow:var(--shadow)}
.sidebar-close:hover{filter:brightness(1.1)}
.sidebar .brand{display:flex;gap:12px;align-items:center;margin-bottom:22px;padding:12px;border-radius:16px;background:linear-gradient(135deg,rgba(109,40,245,.12),rgba(236,72,153,.12));border:1px solid var(--card-bd)}
.sidebar .brand img{width:40px;height:40px;border-radius:12px;object-fit:cover;box-shadow:0 6px 16px rgba(109,40,245,.25)}
.sidebar .brand strong{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.sidebar nav a{display:flex;gap:10px;align-items:center;padding:11px 14px;border-radius:14px;color:var(--text);margin:5px 0;font-weight:600;transition:transform .2s,background .2s,color .2s;position:relative}
.sidebar nav a:hover{transform:translateX(4px);background:linear-gradient(135deg,rgba(109,40,245,.12),rgba(236,72,153,.12));color:var(--primary)}
.sidebar nav a.active{background:var(--grad-main);color:#fff;box-shadow:0 10px 24px rgba(109,40,245,.32)}
.main{display:flex;flex-direction:column;min-height:100vh;min-width:0;max-width:100%;overflow-x:hidden}
.header{position:sticky;top:0;z-index:5;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:14px 22px;background:var(--card-bg);backdrop-filter:blur(20px);border-bottom:1px solid var(--card-bd)}
.header::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;background:var(--grad-main);background-size:200% 100%;animation:shift 6s linear infinite}
.header strong{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.content{padding:24px;flex:1;min-width:0;max-width:100%;overflow-x:hidden;animation:rise-in .45s ease both}
.footer{padding:16px 22px;text-align:center;color:var(--muted);border-top:1px solid var(--card-bd);background:var(--card-bg);backdrop-filter:blur(20px);word-break:break-word}
.footer a{font-weight:700}

/* ---------- Stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;min-width:0}
.stat-card{padding:20px;min-width:0;overflow:hidden;position:relative}
.stat-card::before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:var(--grad-main)}
.stat-card:nth-child(2n)::before{background:var(--grad-parent)}
.stat-card:nth-child(3n)::before{background:var(--grad-staff)}
.stat-card:nth-child(4n)::before{background:var(--grad-admin)}
.stat-card h3{margin:0;font-size:13px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.stat-card .v{font-size:32px;font-weight:800;margin-top:8px;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:16px}
.table{width:100%;border-collapse:collapse;margin-top:12px}
.table th,.table td{padding:13px 12px;text-align:left;border-bottom:1px solid var(--card-bd);vertical-align:top;word-break:break-word}
.table th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#fff;background:var(--grad-main)}
.table th:first-child{border-radius:12px 0 0 0}.table th:last-child{border-radius:0 12px 0 0}
.table tbody tr{transition:background .2s,transform .2s}
.table tbody tr:hover{background:linear-gradient(90deg,rgba(109,40,245,.08),rgba(236,72,153,.06))}
.badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap;color:#fff}
.badge.active,.badge.paid{background:var(--grad-parent)}
.badge.blocked,.badge.suspended,.badge.overdue{background:linear-gradient(135deg,#ef4444,#f43f5e)}
.badge.pending{background:var(--grad-admin);color:#2b1a02}

/* ---------- Auth / landing ---------- */
.auth-bg{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;position:relative;z-index:1}
.tabs{display:flex;gap:6px;margin-bottom:16px;background:var(--card-bg);padding:5px;border-radius:999px;border:1px solid var(--card-bd)}
.tabs button{flex:1;padding:11px;border-radius:999px;border:none;background:transparent;color:var(--text);font-weight:700;cursor:pointer;font:inherit;font-weight:700;transition:transform .2s}
.tabs button.on{background:var(--grad-main);color:#fff;box-shadow:0 8px 22px rgba(109,40,245,.3)}
.hero-badge{display:inline-block;padding:8px 18px;border-radius:999px;background:var(--card-bg);border:1px solid var(--card-bd);font-weight:700;font-size:13px;color:var(--primary);animation:pop-in .5s ease both}
.grad-text{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-mark{width:56px;height:56px;border-radius:18px;object-fit:cover;box-shadow:0 12px 28px rgba(109,40,245,.3);animation:pop-in .5s ease both}

/* ---------- Toast ---------- */
.toast{position:fixed;bottom:20px;right:20px;left:20px;max-width:420px;margin-left:auto;padding:14px 20px;border-radius:16px;background:var(--grad-main);color:#fff;font-weight:700;box-shadow:var(--shadow-lift);animation:slideIn .3s cubic-bezier(.2,.8,.2,1);z-index:1000}
@keyframes slideIn{from{transform:translateY(24px);opacity:0}to{transform:translateY(0);opacity:1}}
.message{position:fixed;bottom:20px;left:20px;padding:12px 20px;border-radius:999px;background:var(--grad-main);color:#fff;font-weight:700;font-size:14px;box-shadow:var(--shadow-lift);z-index:900;animation:slideIn .4s ease both}

/* ---------- Sidebar backdrop ---------- */
.sidebar-backdrop{position:fixed;inset:0;background:rgba(19,18,38,.45);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity .25s;z-index:99}
.sidebar-backdrop.show{opacity:1;pointer-events:auto}

/* ---------- Doodles ---------- */
.doodles{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.doodles .d{position:absolute;font-size:30px;opacity:.4;animation:rise 14s linear infinite}
@keyframes rise{0%{transform:translateY(110vh) rotate(0)}100%{transform:translateY(-20vh) rotate(360deg)}}

/* ---------- CBT runner ---------- */
.cbt-wrap{display:grid;grid-template-columns:1fr 300px;gap:18px;min-width:0}
.cbt-wrap>*{min-width:0}
.q-card{padding:26px}
.q-text{font-size:18px;margin-bottom:16px;line-height:1.55}
.opt{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:16px;border:1px solid var(--card-bd);margin:10px 0;cursor:pointer;background:var(--card-bg);transition:transform .2s,border-color .2s,background .2s}
.opt:hover{transform:translateX(5px);background:linear-gradient(135deg,rgba(109,40,245,.1),rgba(236,72,153,.08));border-color:var(--primary)}
.opt input{width:auto;margin:0}
.nav-pad{padding:20px}
.q-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin-top:12px}
.q-grid button{padding:10px 0;border-radius:12px;border:1px solid var(--card-bd);background:transparent;color:var(--text);cursor:pointer;font-weight:700;font:inherit;font-weight:700;transition:transform .18s}
.q-grid button:hover{transform:scale(1.08)}
.q-grid button.answered{background:var(--grad-parent);color:#fff;border-color:transparent}
.q-grid button.current{background:var(--grad-main);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(109,40,245,.35)}
.calc{position:fixed;bottom:20px;right:20px;width:250px;display:none;padding:16px;z-index:50}
.calc.show{display:block;animation:pop-in .25s ease both}
.calc .display{background:linear-gradient(135deg,#241a4d,#3b1a54);color:#fde68a;text-align:right;padding:12px;border-radius:12px;font-family:monospace;font-size:18px;min-height:34px}
.calc .keys{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:10px}
.calc .keys button{padding:11px 0;border-radius:12px;border:1px solid var(--card-bd);background:var(--card-bg);color:var(--text);cursor:pointer;font-weight:700;font:inherit;font-weight:700}
.calc .keys button:hover{background:var(--grad-main);color:#fff}
.calc-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.calc-title{font-weight:800;font-size:14px;color:var(--text)}
.calc-close{width:32px;height:32px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--card-bd);background:var(--card-bg);color:var(--text);font-size:20px;line-height:1;font-weight:800;cursor:pointer;transition:background .2s,color .2s}
.calc-close:hover{background:linear-gradient(135deg,#ef4444,#f43f5e);color:#fff;border-color:transparent}

.ai-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px;align-items:end;max-width:100%}
.menu-btn{display:none;background:var(--grad-main);border:none;padding:9px 13px;border-radius:14px;color:#fff;cursor:pointer;font-weight:800;font-size:16px}
form .btn{margin:4px 4px 4px 0}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------------- Responsive ---------------- */
@media (max-width:1024px){
  .cbt-wrap{grid-template-columns:1fr}
  .ai-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .app{grid-template-columns:1fr}
  .sidebar{position:fixed;top:0;left:0;height:100vh;width:280px;max-width:86vw;transform:translateX(-100%);transition:transform .3s cubic-bezier(.2,.8,.2,1);z-index:100;box-shadow:var(--shadow-lift)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-close{display:inline-flex}
  .menu-btn{display:inline-flex}
  .header{padding:12px 14px}
  .header strong{font-size:15px}
  .content{padding:14px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat-card{padding:16px}
  .stat-card .v{font-size:24px}
  h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}
  .ai-grid{grid-template-columns:1fr}
  .q-grid{grid-template-columns:repeat(6,1fr)}
  .calc{width:auto;right:10px;left:10px;bottom:10px}
  .shape{filter:blur(60px);opacity:.4}
  [style*="display:flex"],[style*="display: flex"]{flex-wrap:wrap}
}
@media (max-width:560px){
  .stat-grid{grid-template-columns:1fr}
  .q-grid{grid-template-columns:repeat(5,1fr)}
  .header{padding:10px;gap:8px}
  .header .btn{padding:8px 12px;font-size:13px}
  .header span{font-size:12px}
  .content{padding:12px}
  .glass-card{border-radius:16px}
  .btn{padding:10px 15px;font-size:14px}
  .q-card{padding:18px}
  .q-text{font-size:16px}
  h1{font-size:21px}
  .message{left:12px;right:12px;bottom:12px;text-align:center;font-size:13px}
  .table th,.table td{padding:10px 8px;font-size:13px}
}
@media (max-width:400px){
  .tabs{flex-direction:column;border-radius:16px}
  .tabs button{border-radius:12px}
}

/* === No-horizontal-scroll safety net === */
.app,.main,.header,.content,.footer,.sidebar{max-width:100%;min-width:0}
.app>*,.main>*,.content>*,.glass-card>*{min-width:0}
[style*="display:flex"],[style*="display: flex"]{max-width:100%}
[style*="display:grid"],[style*="display: grid"]{max-width:100%}
.content table,.glass-card table{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.content,.glass-card,.header,.footer,.sidebar{overflow-wrap:anywhere}
dialog{max-width:95vw;box-sizing:border-box}
pre,code{max-width:100%;overflow-x:auto;white-space:pre-wrap;word-break:break-word}
img,svg,video,iframe,canvas{max-width:100%;height:auto}

/* =======================================================================
   v2 — Education doodles, sticky chrome, cursor ring, analytics, mobile
   ======================================================================= */

/* ---------- Education doodle pattern (all pages) ---------- */
.edu-pattern{
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.10;
  background-repeat:repeat;background-size:340px 340px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='340' height='340' viewBox='0 0 340 340' fill='none' stroke='%236d28f5' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'><path d='M20 40 l34-14 34 14-34 14z'/><path d='M88 40v18M32 47v14c0 6 36 6 44 0v-14'/><rect x='140' y='24' width='46' height='34' rx='4'/><path d='M163 24v34M146 34h12M168 34h12'/><path d='M240 20l16 8-16 40-16-40z'/><path d='M232 48h16'/><circle cx='300' cy='44' r='16'/><path d='M300 28v32M284 44h32'/><path d='M30 130h44l-8 40H38z'/><path d='M26 130h52'/><path d='M120 120l40 0-6 24 18 34h-64l18-34z'/><path d='M210 118h50v46h-50z'/><path d='M210 130h50M222 118v46'/><circle cx='305' cy='140' r='18'/><ellipse cx='305' cy='140' rx='18' ry='7'/><path d='M287 140a18 18 0 0 0 36 0'/><path d='M24 232h48v40H24z'/><path d='M24 244h48'/><path d='M110 268l14-46 14 46'/><path d='M116 252h16'/><path d='M180 226v50M180 276h46'/><path d='M192 262l12-18 10 12 12-22'/><path d='M262 230l30 0-4 18 14 28h-50l14-28z'/><circle cx='277' cy='226' r='6'/></svg>");
}
html[data-theme="dark"] .edu-pattern{opacity:.14;filter:invert(1) hue-rotate(160deg)}
.doodles .d{filter:saturate(1.1)}
.doodles.edu-doodles{opacity:.75}

/* ---------- Sticky header + footer ---------- */
.header{position:sticky;top:0;z-index:30}
.footer{position:sticky;bottom:0;z-index:29}
.header-left{display:flex;gap:12px;align-items:center;min-width:0}
.header-right{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.header-right .who{color:var(--muted);font-size:14px;white-space:nowrap}
.imp-bar{position:sticky;top:64px;z-index:28;display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:space-between;
  padding:10px 18px;background:linear-gradient(135deg,rgba(245,158,11,.22),rgba(236,72,153,.18));
  border-bottom:1px solid var(--card-bd);font-size:14px;font-weight:600;backdrop-filter:blur(14px)}

/* ---------- Animated mouse locator ring ---------- */
.cursor-ring,.cursor-dot{position:fixed;top:0;left:0;pointer-events:none;z-index:9999;border-radius:50%;
  transform:translate(-50%,-50%);opacity:0;transition:opacity .25s}
.cursor-ring{width:38px;height:38px;border:2px solid var(--primary);
  box-shadow:0 0 18px rgba(109,40,245,.45),inset 0 0 12px rgba(236,72,153,.25);
  animation:ringPulse 2.4s ease-in-out infinite}
.cursor-ring::after{content:"";position:absolute;inset:-8px;border-radius:50%;border:1.5px dashed rgba(236,72,153,.55);animation:ringSpin 6s linear infinite}
.cursor-dot{width:7px;height:7px;background:var(--grad-main)}
body.cursor-on .cursor-ring,body.cursor-on .cursor-dot{opacity:1}
body.cursor-click .cursor-ring{animation:ringBurst .45s ease-out}
@keyframes ringPulse{0%,100%{box-shadow:0 0 14px rgba(109,40,245,.35)}50%{box-shadow:0 0 26px rgba(236,72,153,.6)}}
@keyframes ringSpin{to{transform:rotate(360deg)}}
@keyframes ringBurst{0%{width:38px;height:38px;opacity:1}100%{width:88px;height:88px;opacity:0}}
@media (hover:none),(pointer:coarse){.cursor-ring,.cursor-dot{display:none}}

/* ---------- Section headings / toolbars ---------- */
.page-head{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:6px}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:end}
.toolbar > div{flex:1 1 180px;min-width:0}
.section{padding:18px;margin-bottom:16px}
.muted{color:var(--muted)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.quick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.quick{display:flex;flex-direction:column;gap:6px;padding:16px;border-radius:16px;border:1px solid var(--card-bd);
  background:var(--card-bg);font-weight:700;color:var(--text);transition:transform .2s,box-shadow .2s}
.quick:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);color:var(--primary)}
.quick .ico{font-size:24px}
.quick small{font-weight:500;color:var(--muted)}

/* ---------- Charts (pure CSS) ---------- */
.bars{display:flex;align-items:flex-end;gap:10px;height:200px;padding:10px 4px;overflow-x:auto}
.bars .bar{flex:1 0 38px;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px;height:100%}
.bars .bar i{display:block;width:100%;border-radius:10px 10px 4px 4px;background:var(--grad-main);
  animation:growBar .8s cubic-bezier(.2,.8,.2,1) both;min-height:3px}
.bars .bar:nth-child(3n) i{background:var(--grad-parent)}
.bars .bar:nth-child(3n+2) i{background:var(--grad-staff)}
.bars .bar span{font-size:11px;color:var(--muted);text-align:center;word-break:break-word}
.bars .bar b{font-size:12px}
@keyframes growBar{from{height:0}}
.progress{height:10px;border-radius:999px;background:rgba(120,120,160,.18);overflow:hidden}
.progress > i{display:block;height:100%;border-radius:999px;background:var(--grad-main);animation:growW .8s ease both}
@keyframes growW{from{width:0}}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;border:1px solid var(--card-bd);background:var(--card-bg)}
.pill.sev-3{background:linear-gradient(135deg,#ef4444,#f43f5e);color:#fff;border-color:transparent}
.pill.sev-2{background:var(--grad-admin);color:#2b1a02;border-color:transparent}
.pill.sev-1{background:var(--grad-parent);color:#fff;border-color:transparent}

/* ---------- Proctor warning overlay ---------- */
.proctor-warn{position:fixed;inset:auto 16px 16px 16px;z-index:9998;padding:14px 18px;border-radius:16px;
  background:linear-gradient(135deg,#ef4444,#f43f5e);color:#fff;font-weight:700;box-shadow:var(--shadow-lift);
  display:none;animation:pop-in .25s ease both}
.proctor-warn.show{display:block}

/* ---------- Mobile polish ---------- */
@media (max-width:900px){
  .grid-2{grid-template-columns:1fr}
  .imp-bar{top:56px;padding:10px 14px;font-size:13px}
  .header-right .who{font-size:12px;white-space:normal}
  .toolbar > div{flex:1 1 100%}
  .footer{font-size:13px;padding:12px 14px}
  .bars{height:170px}
}
@media (max-width:560px){
  .header-right{gap:6px}
  .header-right .who{order:3;flex:1 1 100%;text-align:right}
  .quick{padding:14px}
  .bars .bar{flex:1 0 30px}
  .table th,.table td{padding:9px 7px;font-size:12.5px}
  .btn{padding:9px 13px}
  .imp-bar{flex-direction:column;align-items:flex-start;text-align:left}
}
@media print{
  .sidebar,.header,.footer,.imp-bar,.shape,.doodles,.edu-pattern,.cursor-ring,.cursor-dot,.btn{display:none!important}
  .app{display:block}.content{padding:0}
}

/* =======================================================================
   Sidebar collapse (desktop) + mobile responsiveness hardening
   ======================================================================= */
/* Desktop: the drawer overlay must never dim a docked sidebar layout. */
@media (min-width:901px){
  .sidebar-backdrop{display:none!important}
  .app.nav-collapsed{grid-template-columns:0 1fr}
  .app.nav-collapsed .sidebar{display:none}
  .sidebar{transform:none!important}
}
@media (max-width:900px){
  body.nav-open{overflow:hidden}
  .imp-bar{flex-direction:column;align-items:flex-start;gap:8px}
  .page-head{flex-direction:column;align-items:flex-start;gap:10px}
  .page-head>div{display:flex;flex-wrap:wrap;gap:8px}
  .header-left,.header-right{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
  .header-right .who{font-size:12px}
  form input,form select,form textarea{width:100%;box-sizing:border-box;max-width:100%}
  .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .table{min-width:640px}
  td form,td .btn{display:inline-block;margin:2px 0}
}
@media (max-width:560px){
  .header-right .who{display:none}
  .btn{min-height:40px}
  .table th,.table td{white-space:nowrap}
  .table td>div{flex-wrap:wrap}
  .content h1{word-break:break-word}
}

/* Mobile drawer must be a solid panel, not a translucent sheet over the page */
@media (max-width:900px){
  .sidebar{background:#ffffff;backdrop-filter:none;-webkit-backdrop-filter:none;opacity:1}
  html[data-theme="dark"] .sidebar{background:#161233}
  .sidebar-backdrop{background:rgba(19,18,38,.35);backdrop-filter:none;-webkit-backdrop-filter:none}
  .sidebar .brand{padding-right:52px}
}


/* ---------- Calculator + final mobile responsiveness pass ---------- */
@media (max-width:900px){
  .calc{width:auto;right:10px;left:10px;bottom:10px;max-width:calc(100vw - 20px);padding:14px}
  .calc .keys button{padding:14px 0;min-height:46px;font-size:16px}
  .calc-close{width:40px;height:40px}
  .cbt-wrap{grid-template-columns:1fr;gap:12px}
  .q-grid{grid-template-columns:repeat(6,1fr)}
  .opt{padding:13px 14px}
  .opt:hover{transform:none}
  .glass-card:hover{transform:none}
  #qNav{gap:8px}
  #qNav .btn{flex:1 1 46%}
}
@media (max-width:560px){
  .calc .keys{gap:6px}
  .calc .display{font-size:17px}
  .q-grid{grid-template-columns:repeat(5,1fr)}
  #qNav .btn{flex:1 1 100%}
  .timer{font-size:14px}
}

/* Auth screen on small phones */
@media (max-width:560px){
  body.auth-bg{padding:14px}
  body.auth-bg .glass-card{padding:22px}
  .tabs button{padding:10px 12px;font-size:14px}
}

/* =======================================================================
   v3 — Mobile drawer stacking fix + responsiveness hardening
   ======================================================================= */

/* ROOT CAUSE FIX: `.app` had `position:relative;z-index:1`, which trapped the
   fixed sidebar inside a low stacking context. The body-level backdrop
   (z-index:99) then painted OVER the drawer — the whole screen went grey and
   every sidebar link was unclickable. On mobile we drop that stacking context
   and give the drawer/backdrop explicit top-level layers. */
@media (max-width:900px){
  .app{position:static;z-index:auto}
  .sidebar-backdrop{z-index:1100}
  .sidebar{z-index:1200;pointer-events:auto;-webkit-overflow-scrolling:touch;
    padding-bottom:calc(28px + env(safe-area-inset-bottom));overscroll-behavior:contain}
  .sidebar-close{z-index:1201}
  .sidebar nav a{min-height:46px;pointer-events:auto}
  .sidebar nav a:hover{transform:none}
  /* Never let the drawer sit under sticky chrome */
  .header{z-index:30}
  .footer{z-index:29}
}
/* Backdrop must never intercept taps while hidden */
.sidebar-backdrop:not(.show){pointer-events:none!important;opacity:0!important}

/* ---------- General mobile responsiveness ---------- */
@media (max-width:900px){
  .grid-3,.quick-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
  .header-left strong{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
  .header-left{min-width:0;flex:1 1 auto}
  .menu-btn{min-width:44px;min-height:44px}
  input,select,textarea{width:100%;max-width:100%;font-size:16px} /* 16px stops iOS zoom */
  form .btn,.btn{min-height:44px}
  .table-wrap{margin-inline:-2px}
  .bars{gap:6px}
  .section{padding:14px}
  .toast{left:12px;right:12px;max-width:none}
}
@media (max-width:560px){
  .grid-3,.quick-grid,.stat-grid{grid-template-columns:1fr}
  .header-right{gap:6px}
  .header-right .btn{padding:8px 11px}
  .page-head{gap:8px}
  .page-head .btn{flex:1 1 100%}
  .content{padding:12px 12px 20px}
  .footer{font-size:12px}
  .badge,.pill{font-size:11px}
  .brand-mark{width:46px;height:46px}
  .q-card{padding:16px}
  .proctor-warn{inset:auto 10px 10px 10px;font-size:13px}
}
@media (max-width:420px){
  .stat-card .v{font-size:22px}
  .q-grid{grid-template-columns:repeat(4,1fr)}
  .table th,.table td{padding:8px 6px;font-size:12px}
  .sidebar{width:86vw}
}