/* =====================================================
   Fiji Healthy Living - Years 7 & 8
   Nakelo District School
   Modern premium educational workspace stylesheet
===================================================== */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100%}
:root{
  --bg:#f3f7f4;
  --surface:#ffffff;
  --surface-2:#eef6f0;
  --text:#0f1f16;
  --text-soft:#345042;
  --muted:#6a8175;
  --border:#d8e6dc;

  /* Fiji national palette - green (Fiji flag) + sky blue + gold + red */
  --fiji-green:#0b7a3e;
  --fiji-blue:#0064ad;
  --fiji-lightblue:#63b3e0;
  --fiji-gold:#f8c224;
  --fiji-red:#c8102e;

  --primary:var(--fiji-green);
  --primary-2:#0a6635;
  --accent:var(--fiji-gold);
  --accent-2:#f59e0b;
  --green:var(--fiji-green);
  --red:var(--fiji-red);
  --blue:var(--fiji-blue);
  --teal:#0d9488;
  --purple:#7c3aed;

  --shadow-sm:0 1px 2px rgba(15,31,22,.06),0 2px 6px rgba(15,31,22,.04);
  --shadow:0 6px 18px rgba(15,31,22,.08),0 2px 6px rgba(15,31,22,.05);
  --shadow-lg:0 18px 40px rgba(11,122,62,.18),0 8px 20px rgba(15,31,22,.08);

  --radius:14px;
  --radius-sm:10px;
  --radius-lg:22px;

  --grad-hero:linear-gradient(135deg,#0b7a3e 0%,#0064ad 50%,#f8c224 100%);
  --grad-1:linear-gradient(135deg,#0b7a3e,#0d9488);
  --grad-2:linear-gradient(135deg,#0064ad,#63b3e0);
  --grad-3:linear-gradient(135deg,#f59e0b,#f8c224);
  --grad-4:linear-gradient(135deg,#c8102e,#f472b6);

  --sidebar-w:280px;
  --topbar-h:64px;
  --font-body:"Poppins","Nunito",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}
body.dark{
  --bg:#0a1410;
  --surface:#102018;
  --surface-2:#0e1e18;
  --text:#e8f4ec;
  --text-soft:#bfd4c6;
  --muted:#87a494;
  --border:#1f3528;
  --shadow-sm:0 1px 2px rgba(0,0,0,.3),0 2px 6px rgba(0,0,0,.25);
  --shadow:0 6px 18px rgba(0,0,0,.45),0 2px 6px rgba(0,0,0,.35);
  --shadow-lg:0 18px 40px rgba(0,0,0,.6),0 8px 20px rgba(0,0,0,.4);
}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);font-size:var(--font-size,16px);-webkit-font-smoothing:antialiased;line-height:1.55}
a{color:var(--primary-2);text-decoration:none}
button{font-family:inherit;cursor:pointer}

/* ================= LAYOUT ================= */
.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}
.sidebar{position:sticky;top:0;align-self:start;height:100vh;overflow-y:auto;background:var(--surface);border-right:1px solid var(--border);padding:14px 12px 80px;z-index:40}
.brand{display:flex;align-items:flex-start;gap:10px;padding:6px 10px 12px;border-bottom:1px solid var(--border);margin-bottom:10px}
.logo{width:44px;height:44px;border-radius:12px;background:var(--grad-hero);display:grid;place-items:center;font-size:22px;color:#fff;box-shadow:var(--shadow);flex-shrink:0}
.brand-title{font-weight:800;font-size:15px;line-height:1.1}
.brand-sub{font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.3px}
.maker{font-size:10.5px;color:var(--primary);font-weight:700;margin-top:2px}
.sidebar-close{display:none;margin-left:auto}

/* Role switch (three buttons: student / teacher / parent) */
.role-switch{display:grid;grid-template-columns:1fr 1fr 1fr;gap:4px;padding:4px;background:var(--surface-2);border-radius:10px;margin:4px 4px 10px}
.role-btn{padding:8px 4px;border:none;background:transparent;border-radius:8px;font-size:11px;font-weight:700;color:var(--muted);cursor:pointer;transition:.15s}
.role-btn.active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow-sm)}
.role-btn:hover{color:var(--text)}

.nav{display:flex;flex-direction:column;gap:2px;padding:4px 6px}
.nav-group{margin-top:8px}
.nav-group-title{font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);font-weight:700;padding:10px 12px 4px}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--text-soft);font-weight:500;cursor:pointer;border:1px solid transparent;transition:.15s transform,.15s background;width:100%;background:transparent;font-size:14px;text-align:left}
.nav-item:hover{background:var(--surface-2);color:var(--text);transform:translateX(2px)}
.nav-item.active{background:linear-gradient(135deg,rgba(11,122,62,.12),rgba(0,100,173,.10));color:var(--primary);border-color:rgba(11,122,62,.25);box-shadow:var(--shadow-sm)}
.nav-ic{width:22px;text-align:center;font-size:18px}

.sidebar-foot{margin-top:14px;padding:10px;display:grid;grid-template-columns:1fr 1fr;gap:8px;background:var(--surface-2);border-radius:12px;border:1px solid var(--border)}
.mini-stat-label{font-size:10px;color:var(--muted);text-transform:uppercase;font-weight:700;letter-spacing:1px}
.mini-stat-val{font-weight:800;font-size:15px;margin-top:2px}

.main{min-width:0;display:flex;flex-direction:column;min-height:100vh}
.topbar{position:sticky;top:0;z-index:30;height:var(--topbar-h);display:flex;align-items:center;gap:10px;padding:10px 18px;background:color-mix(in oklab,var(--surface) 85%,transparent);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--border)}
.menu-btn{display:none}
.search-wrap{flex:1;position:relative;max-width:640px}
.search-ico{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted)}
.search{width:100%;padding:10px 14px 10px 38px;border:1px solid var(--border);background:var(--surface);border-radius:999px;font:inherit;color:var(--text);box-shadow:var(--shadow-sm);outline:none;transition:.2s}
.search:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(11,122,62,.18)}
.search-results{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);max-height:360px;overflow:auto;z-index:50}
.search-result{padding:10px 14px;border-bottom:1px solid var(--border);cursor:pointer;display:flex;gap:10px;align-items:flex-start}
.search-result:last-child{border-bottom:none}
.search-result:hover{background:var(--surface-2)}
.sr-ic{font-size:20px;flex-shrink:0}
.sr-title{font-weight:600}
.sr-sub{font-size:12px;color:var(--muted)}

.topbar-actions{display:flex;gap:6px;margin-left:auto}
.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--surface);display:inline-grid;place-items:center;cursor:pointer;color:var(--text-soft);transition:.15s transform,.2s background;font-size:16px}
.icon-btn:hover{background:var(--surface-2);color:var(--text);transform:translateY(-1px)}

.view{padding:22px 22px 60px;flex:1}

/* ================= HERO ================= */
.hero{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:32px 28px;color:#fff;background:var(--grad-hero);box-shadow:var(--shadow-lg);display:grid;grid-template-columns:1.4fr 1fr;gap:22px;align-items:center}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(40px);opacity:.45}
.hero::before{width:300px;height:300px;background:#fde68a;top:-100px;right:-80px}
.hero::after{width:260px;height:260px;background:#86efac;bottom:-100px;left:-80px;opacity:.35}
.hero h1{font-size:clamp(22px,3.5vw,30px);margin:0 0 8px;font-weight:800;line-height:1.15}
.hero p{margin:0 0 16px;opacity:.97;max-width:60ch}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.chip{background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.35);padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600;backdrop-filter:blur(8px);color:#fff}
.chip.t-d{background:rgba(11,122,62,.15);color:var(--primary);border-color:rgba(11,122,62,.2)}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:12px;border:1px solid transparent;font-weight:700;cursor:pointer;font:inherit;transition:.15s transform,.2s box-shadow;text-decoration:none}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-primary{background:#fff;color:#0b7a3e}
.btn-accent{background:#0f1f16;color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.hero-illus{position:relative;min-height:180px;display:grid;place-items:center;font-size:110px;text-shadow:0 10px 30px rgba(0,0,0,.15)}
.float{animation:float 4s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-12px) rotate(4deg)}}

/* ================= GRID & CARDS ================= */
.grid{display:grid;gap:16px}
.gdash{grid-template-columns:repeat(12,1fr);margin-top:20px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:18px}
.card h3{margin:0 0 10px;font-size:16px;display:flex;align-items:center;gap:8px}
.sub{color:var(--muted);font-size:13px;margin-bottom:12px}

.stat{grid-column:span 3;padding:18px;border-radius:var(--radius);color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat .v{font-size:28px;font-weight:800;line-height:1}
.stat .l{font-size:13px;opacity:.95;margin-top:6px;font-weight:600}
.stat .em{position:absolute;right:10px;bottom:6px;font-size:50px;opacity:.3}
.s1{background:var(--grad-1)}.s2{background:var(--grad-2)}.s3{background:var(--grad-3)}.s4{background:var(--grad-4)}

.progress-ring{position:relative;width:72px;height:72px}
.progress-ring svg{transform:rotate(-90deg)}
.pbg{stroke:var(--border)}
.pf{stroke:var(--primary);stroke-linecap:round;transition:stroke-dashoffset .6s}
.pl{position:absolute;inset:0;display:grid;place-items:center;font-weight:800}

.ovr{grid-column:span 6}
.recents{grid-column:span 6}
.badges{grid-column:span 6}
.daily{grid-column:span 6}
.review{grid-column:span 12}

.strand-row{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;padding:10px 0;border-bottom:1px dashed var(--border);cursor:pointer}
.strand-row:last-child{border-bottom:none}
.strand-ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:20px}
.strand-title{font-weight:600}
.strand-meta{font-size:12px;color:var(--muted)}
.bar{height:8px;background:var(--surface-2);border-radius:999px;overflow:hidden;margin-top:6px}
.bar>span{display:block;height:100%;background:var(--grad-hero);border-radius:999px;transition:width .6s}

.lesson-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.lesson-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:.2s;position:relative;overflow:hidden}
.lesson-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--primary)}
.lc-top{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.lc-badge{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:18px;flex-shrink:0}
.lc-title{font-weight:700;font-size:15px;line-height:1.2}
.lc-code{font-size:11px;color:var(--muted);font-weight:700;letter-spacing:.8px;text-transform:uppercase}
.lc-desc{font-size:13px;color:var(--text-soft);min-height:36px}
.lc-meta{display:flex;justify-content:space-between;align-items:center;margin-top:12px;font-size:12px;color:var(--muted);gap:6px;flex-wrap:wrap}
.lc-prog{height:6px;background:var(--surface-2);border-radius:999px;overflow:hidden;margin-top:10px}
.lc-prog>span{height:100%;background:var(--green);display:block;transition:width .6s}
.lesson-card.done::after{content:"COMPLETE";position:absolute;top:10px;right:-32px;background:var(--green);color:#fff;font-size:10px;font-weight:800;padding:3px 32px;transform:rotate(35deg);letter-spacing:1px}

/* ================= LESSON VIEW ================= */
.lesson-head{padding:24px;border-radius:var(--radius-lg);color:#fff;position:relative;overflow:hidden;margin-bottom:20px}
.lh1{background:var(--grad-1)}.lh2{background:var(--grad-2)}.lh3{background:var(--grad-3)}.lh4{background:var(--grad-4)}
.crumb{font-size:12px;opacity:.9;font-weight:600;letter-spacing:1px;text-transform:uppercase}
.lesson-head h1{margin:6px 0 4px;font-size:clamp(20px,3vw,26px);font-weight:800}
.lesson-head p{margin:0;opacity:.95;max-width:80ch}
.tags{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.lo{margin-top:10px;padding:10px 14px;background:rgba(0,0,0,.18);border-radius:12px;font-size:14px;border-left:4px solid #fff}

.lesson-body{display:grid;grid-template-columns:1fr 320px;gap:18px}
.lesson-main{display:flex;flex-direction:column;gap:16px;min-width:0}
.lesson-side{display:flex;flex-direction:column;gap:14px}
@media(max-width:1024px){.lesson-body{grid-template-columns:1fr}.lesson-side{order:2}}

.section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm)}
.section h2{margin:0 0 10px;font-size:18px;display:flex;align-items:center;gap:8px}
.ico{font-size:20px}

.vocab-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.vocab{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:12px}
.vocab b{color:var(--primary);display:block;margin-bottom:4px}

.box{padding:14px 16px;border-radius:12px;border-left:5px solid;margin:10px 0}
.box.r{background:rgba(200,16,46,.08);border-color:var(--red)}
.box.g{background:rgba(11,122,62,.1);border-color:var(--green)}
.box.b{background:rgba(0,100,173,.1);border-color:var(--blue)}
.box.y{background:rgba(248,194,36,.15);border-color:var(--accent)}
.box.o{background:rgba(245,158,11,.12);border-color:var(--accent-2)}
.ttl{font-weight:700;margin-bottom:4px;display:flex;gap:6px;align-items:center}

.diagram{background:var(--surface-2);border:1px dashed var(--border);border-radius:14px;padding:14px;display:grid;place-items:center;overflow:auto}
.diagram svg{max-width:100%;height:auto}
.svg-hit{cursor:pointer;transition:.2s}
.svg-hit:hover{filter:brightness(1.1) drop-shadow(0 0 6px rgba(11,122,62,.6))}

table.t{width:100%;border-collapse:collapse;margin:10px 0;font-size:14px}
table.t th,table.t td{border:1px solid var(--border);padding:8px 10px;text-align:left;vertical-align:top}
table.t th{background:var(--surface-2);font-weight:700}
table.t tr:nth-child(even) td{background:color-mix(in oklab,var(--surface-2) 50%,transparent)}

.act{background:linear-gradient(135deg,rgba(11,122,62,.07),rgba(0,100,173,.06));border:1px dashed var(--primary);border-radius:14px;padding:14px;margin:10px 0}
.at{font-weight:700;color:var(--primary-2);margin-bottom:6px;display:flex;gap:6px;align-items:center}

.q{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px;margin:10px 0}
.qstem{font-weight:600;margin-bottom:10px;display:flex;gap:8px;align-items:flex-start}
.qnum{background:var(--primary);color:#fff;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:12px;font-weight:800;flex-shrink:0}
.opts{display:grid;gap:8px}
.opt{padding:10px 12px;border:1.5px solid var(--border);border-radius:10px;cursor:pointer;background:var(--surface);display:flex;gap:10px;align-items:center;transition:.15s;user-select:none}
.opt:hover{border-color:var(--primary);background:var(--surface-2)}
.opt.sel{border-color:var(--primary);background:rgba(11,122,62,.08)}
.opt.correct{border-color:var(--green);background:rgba(11,122,62,.12);font-weight:600}
.opt.wrong{border-color:var(--red);background:rgba(200,16,46,.12)}
.opt .mk{width:22px;text-align:center;font-weight:800;flex-shrink:0}
.explain{margin-top:8px;padding:10px 12px;border-radius:10px;background:var(--surface-2);font-size:14px;color:var(--text-soft);display:none}
.explain.show{display:block}
input.fill,textarea.fill{padding:8px 12px;border:1.5px solid var(--border);border-radius:10px;font:inherit;background:var(--surface);color:var(--text);min-width:140px}
input.fill:focus,textarea.fill:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(11,122,62,.18)}
.match-row{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center;margin:6px 0}
.match-row select{padding:8px 10px;border-radius:10px;border:1.5px solid var(--border);background:var(--surface);color:var(--text);font:inherit;max-width:100%}

.btn-sm{padding:8px 14px;border-radius:10px;font-weight:700;border:1px solid var(--border);background:var(--surface);cursor:pointer;font:inherit;color:var(--text)}
.btn-sm.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-sm.accent{background:var(--accent);color:#000;border-color:var(--accent)}
.btn-sm.green{background:var(--green);color:#fff;border-color:var(--green)}
.btn-sm.red{background:var(--red);color:#fff;border-color:var(--red)}
.quiz-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}

.scorecard{display:flex;gap:12px;align-items:center;margin:14px 0;flex-wrap:wrap}
.score{font-size:36px;font-weight:800;background:var(--grad-hero);-webkit-background-clip:text;background-clip:text;color:transparent}
.score-badge{padding:8px 14px;border-radius:999px;font-weight:700;font-size:13px}
.sb-green{background:rgba(11,122,62,.15);color:#0b7a3e}
.sb-yellow{background:rgba(245,158,11,.2);color:#92400e}
.sb-red{background:rgba(200,16,46,.15);color:#9f1239}

/* ================= FLASHCARDS ================= */
.fc{perspective:1200px;height:220px;margin:10px 0}
.fc-inner{position:relative;width:100%;height:100%;transition:transform .55s cubic-bezier(.2,.8,.2,1);transform-style:preserve-3d;cursor:pointer}
.fc.flipped .fc-inner{transform:rotateY(180deg)}
.fc-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:16px;padding:18px;display:grid;place-items:center;text-align:center;box-shadow:var(--shadow);font-size:18px;font-weight:600}
.fc-front{background:linear-gradient(135deg,#0b7a3e,#0d9488);color:#fff}
.fc-back{background:linear-gradient(135deg,#0064ad,#63b3e0);color:#fff;transform:rotateY(180deg);font-size:16px;overflow:auto}
.fc-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:8px}

/* Labels activity */
.labels{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.label-pin{padding:6px 12px;border-radius:999px;border:1.5px dashed var(--primary);background:rgba(11,122,62,.08);cursor:pointer;font-weight:600;font-size:13px}
.label-pin.used{opacity:.3;cursor:not-allowed;text-decoration:line-through}

/* GLOSSARY */
.glossary-list{columns:280px;column-gap:20px}
.gterm{break-inside:avoid;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);margin:0 0 8px;cursor:pointer}
.gterm b{color:var(--primary)}
.gdef{font-size:14px;color:var(--text-soft);margin-top:4px}
.gex{font-size:13px;color:var(--muted);font-style:italic;margin-top:4px}
.galph{display:flex;gap:4px;flex-wrap:wrap;position:sticky;top:var(--topbar-h);background:var(--bg);padding:8px 0;margin-bottom:8px;z-index:5}
.galph button{border:1px solid var(--border);background:var(--surface);width:32px;height:32px;border-radius:8px;font-weight:700;cursor:pointer}
.galph button:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

.paper-card{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid var(--border);border-radius:12px;background:var(--surface);margin:8px 0;cursor:pointer}
.paper-card:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.paper-ic{width:44px;height:44px;border-radius:10px;background:var(--grad-2);color:#fff;display:grid;place-items:center;font-size:20px;flex-shrink:0}

.bgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px}
.badge{text-align:center;padding:14px 10px;border-radius:14px;background:var(--surface);border:1px solid var(--border);position:relative}
.badge.locked{opacity:.45;filter:grayscale(70%)}
.bem{font-size:40px;display:block;line-height:1}.bt{font-weight:700;font-size:13px;margin-top:6px}.bs{font-size:11px;color:var(--muted)}

.res-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.res-card{padding:16px;border-radius:12px;border:1px solid var(--border);background:var(--surface);cursor:pointer}
.res-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.ri{font-size:32px}.rt{font-weight:700;margin:6px 0 4px}.rd{font-size:12px;color:var(--muted)}

.bk-item{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border:1px solid var(--border);border-radius:10px;margin:6px 0;background:var(--surface);gap:8px}
.bk-item .btn-sm{flex-shrink:0}

.set-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border);gap:10px;flex-wrap:wrap}
.switch{position:relative;width:46px;height:26px;flex-shrink:0}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;inset:0;background:var(--border);border-radius:999px;cursor:pointer;transition:.2s}
.slider::before{content:"";position:absolute;width:20px;height:20px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked+.slider{background:var(--primary)}
.switch input:checked+.slider::before{transform:translateX(20px)}

.kbd{font-family:ui-monospace,monospace;background:var(--surface-2);border:1px solid var(--border);padding:1px 6px;border-radius:6px;font-size:12px}

.video-wrap{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:14px;background:#000}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* TEACHER / PARENT sections */
.portal-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.portal-tile{padding:18px;border-radius:14px;background:var(--surface);border:1px solid var(--border);cursor:pointer;transition:.2s}
.portal-tile:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--primary)}
.ti-ic{font-size:36px;margin-bottom:8px}
.ti-t{font-weight:700;font-size:15px}.ti-d{font-size:12px;color:var(--muted);margin-top:4px}
.lesson-plan{padding:14px;border:1px dashed var(--border);border-radius:12px;background:var(--surface-2);margin:10px 0}

/* MODAL */
.modal{position:fixed;inset:0;background:rgba(2,6,23,.55);display:grid;place-items:center;z-index:100;padding:16px;backdrop-filter:blur(6px)}
.modal-card{background:var(--surface);border-radius:18px;width:min(760px,100%);max-height:90vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-lg)}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border)}
.modal-head h3{margin:0}
.modal-body{padding:18px;overflow:auto}

.fab{position:fixed;right:18px;bottom:18px;width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;background:var(--grad-hero);color:#fff;font-size:24px;box-shadow:var(--shadow-lg);z-index:45;display:none}

/* Make sure [hidden] always wins, regardless of display rules above */
[hidden]{display:none!important;}

.backdrop{display:none;position:fixed;inset:0;background:rgba(2,6,23,.45);z-index:39}
body.sb-open .sidebar{transform:translateX(0)}
body.sb-open .backdrop{display:block}

.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#0f1f16;color:#fff;padding:10px 16px;border-radius:999px;font-weight:600;z-index:200;box-shadow:var(--shadow-lg);animation:pop .25s ease}
@keyframes pop{from{transform:translate(-50%,10px);opacity:0}to{transform:translate(-50%,0);opacity:1}}

.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.muted{color:var(--muted)}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}

.foot{margin-top:auto;padding:14px 22px;border-top:1px solid var(--border);color:var(--muted);font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;align-items:center}
.foot-credit{font-weight:700;color:var(--primary)}
.foot-links{display:flex;gap:14px;flex-wrap:wrap}
.foot-links a{color:var(--muted)}
.foot-links a:hover{color:var(--primary)}

/* RESPONSIVE */
@media(max-width:900px){
  :root{--sidebar-w:290px}
  .app{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;bottom:0;transform:translateX(-105%);transition:transform .25s ease}
  .menu-btn{display:inline-grid}
  .sidebar-close{display:inline-grid}
  .fab{display:grid;place-items:center}
  .hero{grid-template-columns:1fr;padding:22px 18px}
  .hero-illus{display:none}
  .stat{grid-column:span 6}
  .ovr,.recents,.badges,.daily{grid-column:span 12}
  .view{padding:16px 14px 80px}
  .lesson-head{padding:20px}
}
@media(max-width:520px){
  .stat{grid-column:span 12}
  .topbar{padding:10px}
  .search{font-size:14px}
  .btn{padding:10px 14px;font-size:14px}
  .match-row{grid-template-columns:1fr}
  .role-btn{font-size:10px;padding:8px 2px}
}

/* PRINT */
@media print{
  .sidebar,.topbar,.fab,.foot,.quiz-actions,.fc-actions,#modal,.backdrop,.role-switch,.lesson-side{display:none!important}
  .app{display:block}
  .view{padding:0}
  .card,.section,.lesson-head{break-inside:avoid;box-shadow:none;border:1px solid #ccc}
  body{background:#fff;color:#000}
}

.fade-in{animation:fi .35s ease both}
@keyframes fi{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

body.read-mode{--font-size:18px}
body.read-mode .section p{max-width:75ch}
body.hc{--bg:#ffffff;--surface:#ffffff;--surface-2:#f4f7f6;--text:#000000;--text-soft:#000000;--muted:#222;--border:#000;--shadow-sm:0 0 0 1px #000;--shadow:0 0 0 2px #000;--shadow-lg:0 0 0 3px #000;}
body.hc .chip,body.hc .badge,body.hc .card,body.hc .lesson-card,body.hc .portal-tile,body.hc .opt,body.hc .btn-sm,body.hc .btn,body.hc .nav-item,body.hc .q{border:2px solid #000!important;}
body.hc.dark{--bg:#000;--surface:#000;--surface-2:#111;--text:#fff;--text-soft:#fff;--muted:#ddd;--border:#fff;}