/* ═══════════════════════════════════════════════════════════════════════
   KAUTUKI · WIREFRAME SET 3 — "TRUST BLUE"
   Clean indigo→violet · airy · shadcn/Lovable aesthetic · fully responsive
   Powers: marketing landing + role app shells (student/teacher/admin/school)
   ═══════════════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');
@import url('../logo/brand-font.css');   /* AlexBrush — Kautuki script wordmark */

*{box-sizing:border-box;margin:0;padding:0}
:root{
  /* brand — indigo→violet */
  --indigo:#4F46E5;--indigo-600:#4F46E5;--indigo-700:#4338CA;--indigo-500:#6366F1;
  --violet:#7C3AED;--violet-500:#8B5CF6;
  --grad:linear-gradient(135deg,#6366F1,#8B5CF6);
  --grad-deep:linear-gradient(135deg,#4F46E5,#7C3AED);
  --indigo-50:#EEF2FF;--indigo-100:#E0E7FF;
  /* accents */
  --gold:#D97706;--gold-d:#B45309;--gold-50:#FFFBEB;--gold-100:#FEF3C7;
  --emerald:#059669;--emerald-50:#ECFDF5;--emerald-100:#D1FAE5;
  --rose:#E11D48;--rose-50:#FFF1F2;--rose-100:#FFE4E6;
  --sky:#0284C7;--sky-50:#F0F9FF;--sky-100:#E0F2FE;
  --purple:#7C3AED;--purple-50:#F5F3FF;
  --amber:#D97706;--amber-50:#FFFBEB;
  /* neutrals */
  --ink:#0F172A;--ink-2:#334155;--ink-3:#64748B;--ink-4:#94A3B8;
  --line:#E9EDF3;--line-2:#E2E8F0;
  --navy:#0B1120;
  --bg:#F6F7FB;--surface:#FFFFFF;--surface-2:#F8FAFC;
  /* shape */
  --r-xs:8px;--r-sm:10px;--r:14px;--r-lg:18px;--r-xl:24px;--r-pill:100px;
  --sh-xs:0 1px 2px rgba(16,24,40,.05);
  --sh:0 1px 3px rgba(16,24,40,.07),0 1px 2px rgba(16,24,40,.04);
  --sh-md:0 8px 24px rgba(16,24,40,.08);
  --sh-lg:0 20px 48px rgba(16,24,40,.14);
  --ring:0 0 0 4px rgba(99,102,241,.2);
  --sb:264px;
  --serif:'Fraunces',Georgia,serif;
  --sans:'DM Sans',system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}
html,body{font-family:var(--sans);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.5}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:14px}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--serif);letter-spacing:-.01em;line-height:1.15;font-weight:800}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#D6DCE6;border-radius:9px;border:2px solid var(--bg)}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ─────────── APP SHELL ─────────── */
.app{display:flex;min-height:100vh}
.sidebar{width:var(--sb);flex-shrink:0;background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;z-index:40}
.sb-brand{display:flex;align-items:center;gap:11px;padding:20px 20px 14px}
.sb-mark{width:38px;height:38px;border-radius:11px;background:var(--grad);display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:18px;box-shadow:0 6px 16px rgba(99,102,241,.4);font-family:var(--serif)}
.sb-name{font-family:var(--serif);font-weight:800;font-size:19px;letter-spacing:-.02em}
.sb-name span{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sb-user-card{margin:16px 14px 8px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r);padding:11px 12px;display:flex;align-items:center;gap:10px}
.sb-nav{padding:6px 12px;flex:1}
.sb-sec{font-size:10.5px;font-weight:700;color:var(--ink-4);text-transform:uppercase;letter-spacing:.08em;padding:14px 10px 6px;font-family:var(--sans)}
.sb-link{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:11px;font-size:13.5px;font-weight:500;
  color:var(--ink-2);margin-bottom:2px;position:relative;transition:.15s var(--ease)}
.sb-link .ic{font-size:17px;width:22px;text-align:center}
.sb-link:hover{background:var(--surface-2)}
.sb-link.active{background:var(--indigo-50);color:var(--indigo-700);font-weight:700}
.sb-link.active::before{content:'';position:absolute;left:-12px;top:50%;transform:translateY(-50%);width:3px;height:20px;background:var(--indigo);border-radius:0 3px 3px 0}
.sb-link .count{margin-left:auto;background:var(--indigo);color:#fff;font-size:10.5px;font-weight:700;padding:1px 7px;border-radius:20px}
.sb-link .count.rose{background:var(--rose)}.sb-link .count.amber{background:var(--amber)}.sb-link .count.emerald{background:var(--emerald)}
.sb-foot{padding:12px;border-top:1px solid var(--line)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{min-height:64px;flex-shrink:0;background:#0B1A30;
  border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:14px;padding:10px 24px;position:sticky;top:0;z-index:30}
.topbar h1{font-size:18px;font-weight:800;color:#fff}
.topbar .sub{font-size:12.5px;color:rgba(255,255,255,.72);margin-top:1px;font-family:var(--sans)}
/* topbar controls tuned for the blue header */
.topbar .collapse-btn,.topbar .hamburger,.topbar .icon-btn{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.22);color:#fff}
.topbar .collapse-btn:hover,.topbar .hamburger:hover,.topbar .icon-btn:hover{background:rgba(255,255,255,.22);border-color:rgba(255,255,255,.34)}
.topbar .tb-dot{border-color:#0B1A30}
.tb-right{margin-left:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;align-items:center;justify-content:center;font-size:20px;border:1px solid var(--line);background:var(--surface)}
.collapse-btn{display:none;width:40px;height:40px;border-radius:10px;align-items:center;justify-content:center;font-size:18px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);flex-shrink:0;transition:.15s}
.collapse-btn:hover{background:var(--surface-2);border-color:var(--line-2)}
.icon-btn{width:40px;height:40px;border-radius:11px;background:var(--surface);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:16px;position:relative;transition:.15s}
.icon-btn:hover{background:var(--surface-2);border-color:var(--line-2)}
.tb-dot{position:absolute;top:8px;right:9px;width:8px;height:8px;border-radius:50%;background:var(--rose);border:2px solid var(--surface)}
.tb-chip{display:flex;align-items:center;gap:7px;border-radius:var(--r-pill);padding:7px 14px;font-size:13px;font-weight:700;color:#fff;background:var(--grad-deep);box-shadow:0 4px 12px rgba(79,70,229,.3)}
.tb-chip.emerald{background:linear-gradient(135deg,#10B981,#059669);box-shadow:0 4px 12px rgba(5,150,105,.3)}

.content{flex:1;padding:24px;max-width:1280px;width:100%;margin:0 auto;animation:fadeUp .4s var(--ease) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.page-head{margin-bottom:18px}
.page-head h2{font-size:24px}.page-head p{color:var(--ink-3);font-size:14px;margin-top:3px}

/* bottom tab bar (mobile) */
.tabbar{display:none;position:fixed;bottom:0;left:0;right:0;height:64px;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);z-index:50;padding:0 6px}
.tabbar nav{display:flex;height:100%;align-items:stretch;justify-content:space-around}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:10.5px;font-weight:600;color:var(--ink-4);position:relative}
.tab .ic{font-size:20px}
.tab.active{color:var(--indigo)}
.tab.fab{flex:0 0 auto}
.tab.fab .ic{width:50px;height:50px;border-radius:16px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:0 8px 20px rgba(99,102,241,.45);margin-top:-22px}

/* ─────────── COMPONENTS ─────────── */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh)}
.card.pad-sm{padding:14px}
.card-title{font-family:var(--serif);font-size:16px;font-weight:800;margin-bottom:4px}
.muted{color:var(--ink-3)}.muted-2{color:var(--ink-4)}
.tiny{font-size:12px}.small{font-size:13px}

.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.row{display:flex;gap:12px;align-items:center}.between{justify-content:space-between}.wrap{flex-wrap:wrap}
.col{display:flex;flex-direction:column;gap:12px}
.mt{margin-top:14px}.mb{margin-bottom:14px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:14px;border-radius:var(--r-sm);
  padding:11px 18px;transition:.15s var(--ease);min-height:44px;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad-deep);color:#fff;box-shadow:0 6px 16px rgba(79,70,229,.32)}
.btn-primary:hover{box-shadow:0 10px 22px rgba(79,70,229,.42);filter:brightness(1.04)}
.btn-gold{background:linear-gradient(135deg,#F59E0B,#D97706);color:#fff;box-shadow:0 6px 16px rgba(217,119,6,.3)}
.btn-emerald{background:linear-gradient(135deg,#10B981,#059669);color:#fff;box-shadow:0 6px 16px rgba(5,150,105,.3)}
.btn-ghost{background:var(--surface);color:var(--ink-2);border:1px solid var(--line-2)}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--ink-4)}
.btn-danger{background:var(--rose);color:#fff}
.btn-sm{padding:7px 13px;font-size:13px;min-height:36px;border-radius:9px}
.btn-lg{padding:14px 26px;font-size:15px;min-height:52px;border-radius:12px}
.btn-block{width:100%}

/* badges & pills */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:var(--r-pill);background:var(--indigo-50);color:var(--indigo-700)}
.badge.emerald{background:var(--emerald-50);color:var(--emerald)}.badge.amber{background:var(--amber-50);color:var(--amber)}
.badge.rose{background:var(--rose-50);color:var(--rose)}.badge.sky{background:var(--sky-50);color:var(--sky)}
.badge.gold{background:var(--gold-50);color:var(--gold-d)}.badge.purple{background:var(--purple-50);color:var(--purple)}
.badge.gray{background:var(--surface-2);color:var(--ink-3)}
.verified{display:inline-flex;align-items:center;gap:4px;font-size:11.5px;font-weight:700;color:var(--emerald);background:var(--emerald-50);padding:3px 9px;border-radius:var(--r-pill)}

/* chips & filters */
.chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:8px 14px;border-radius:var(--r-pill);
  background:var(--surface);border:1.5px solid var(--line-2);color:var(--ink-2);transition:.15s;min-height:40px}
.chip:hover{border-color:var(--indigo-500)}
.chip.active{background:var(--indigo-50);border-color:var(--indigo);color:var(--indigo-700)}

/* tabs / segmented */
.tabs{display:flex;gap:4px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:4px;width:fit-content;max-width:100%;overflow:auto}
.tabs button{padding:8px 16px;border-radius:9px;font-size:13.5px;font-weight:600;color:var(--ink-3);white-space:nowrap}
.tabs button.active{background:var(--surface);color:var(--indigo-700);box-shadow:var(--sh-xs)}

/* inputs */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.input,select.input,textarea.input{width:100%;border:1.5px solid var(--line-2);border-radius:var(--r-sm);padding:12px 14px;font-size:14px;background:var(--surface);transition:.15s;min-height:46px}
.input:focus{border-color:var(--indigo);box-shadow:var(--ring)}
.input-icon{display:flex;align-items:center;gap:10px;border:1.5px solid var(--line-2);border-radius:var(--r-sm);padding:0 14px;background:var(--surface)}
.input-icon input{border:none;outline:none;padding:13px 0;width:100%;font-size:14px;background:none}
.input-icon:focus-within{border-color:var(--indigo);box-shadow:var(--ring)}
.otp{display:flex;gap:10px;justify-content:center}
.otp input{width:52px;height:60px;text-align:center;font-size:24px;font-weight:700;border:2px solid var(--line-2);border-radius:12px;font-family:var(--serif)}
.otp input.filled{border-color:var(--indigo);background:var(--indigo-50);color:var(--indigo-700)}

/* range slider track */
.range{-webkit-appearance:none;width:100%;height:6px;border-radius:6px;background:linear-gradient(90deg,var(--indigo) 60%,var(--line-2) 60%)}
.range::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--indigo);box-shadow:var(--sh-md);cursor:pointer}

/* avatars */
.av{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-family:var(--serif);flex-shrink:0;font-size:16px}
.av.sm{width:34px;height:34px;font-size:13px;border-radius:9px}.av.lg{width:64px;height:64px;font-size:22px;border-radius:18px}
.av-i{background:var(--grad)}.av-e{background:linear-gradient(135deg,#10B981,#059669)}.av-g{background:linear-gradient(135deg,#F59E0B,#D97706)}
.av-r{background:linear-gradient(135deg,#FB7185,#E11D48)}.av-s{background:linear-gradient(135deg,#38BDF8,#0284C7)}

/* stat cards */
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh);border-top:3px solid var(--ac,var(--indigo));transition:.2s}
.stat:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.stat .lbl{font-size:12.5px;color:var(--ink-3);font-weight:600}
.stat .num{font-family:var(--serif);font-size:30px;font-weight:800;margin:6px 0 2px}
.stat .delta{font-size:12px;font-weight:700}
.delta.up{color:var(--emerald)}.delta.down{color:var(--rose)}

/* list rows */
.list-row{display:flex;align-items:center;gap:13px;padding:13px 14px;border-radius:var(--r);border:1px solid var(--line);background:var(--surface);transition:.15s;margin-bottom:10px}
.list-row:hover{box-shadow:var(--sh);border-color:var(--line-2)}

/* banner / callout */
.banner{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:var(--r-lg);background:var(--grad-deep);color:#fff;box-shadow:var(--sh-md)}
.banner.soft{background:var(--indigo-50);color:var(--ink);box-shadow:none;border:1px solid var(--indigo-100)}
.callout{display:flex;gap:10px;padding:12px 14px;border-radius:var(--r);font-size:13px;border:1px solid}
.callout.info{background:var(--sky-50);border-color:var(--sky-100);color:#0c4a6e}
.callout.warn{background:var(--amber-50);border-color:var(--gold-100);color:#92400e}
.callout.ok{background:var(--emerald-50);border-color:var(--emerald-100);color:#065f46}

/* table */
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-4);font-weight:700;padding:10px 12px;border-bottom:1px solid var(--line)}
.tbl td{padding:13px 12px;border-bottom:1px solid var(--line)}
.tbl tr:hover td{background:var(--surface-2)}

/* progress */
.prog{height:8px;border-radius:8px;background:var(--line-2);overflow:hidden}
.prog>span{display:block;height:100%;background:var(--grad);border-radius:8px;transition:width .6s var(--ease)}

/* skeleton */
.skel{background:linear-gradient(90deg,#eef1f6 25%,#e2e8f0 37%,#eef1f6 63%);background-size:400% 100%;animation:shimmer 1.4s infinite;border-radius:8px}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:-100% 0}}

/* empty state */
.empty{text-align:center;padding:44px 20px}
.empty .emoji{font-size:46px;margin-bottom:10px}
.empty h3{font-size:18px;margin-bottom:6px}
.empty p{color:var(--ink-3);font-size:14px;max-width:340px;margin:0 auto 16px}

/* modal + bottom sheet */
.overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;animation:fade .2s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{background:var(--surface);border-radius:var(--r-xl);max-width:440px;width:100%;padding:26px;box-shadow:var(--sh-lg);animation:pop .25s var(--ease)}
@keyframes pop{from{opacity:0;transform:scale(.95) translateY(8px)}to{opacity:1;transform:scale(1)}}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:13px 20px;border-radius:var(--r-pill);font-size:13.5px;font-weight:600;box-shadow:var(--sh-lg);display:flex;align-items:center;gap:9px;z-index:200}

/* divider */
.hr{height:1px;background:var(--line);border:none;margin:16px 0}

/* ─────────── MARKETING / LANDING ─────────── */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.8);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:14px 22px}
.nav-links{display:flex;gap:6px;margin-left:18px}
.nav-links a{padding:8px 12px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-2)}
.nav-links a:hover{background:var(--surface-2)}
.hero{max-width:1200px;margin:0 auto;padding:60px 22px}
.hero h1{font-size:clamp(34px,5vw,56px);line-height:1.05}
.hero .grad-text{background:var(--grad-deep);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.section{max-width:1200px;margin:0 auto;padding:54px 22px}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--indigo)}
.footer{background:var(--navy);color:#cbd5e1;padding:48px 22px 28px}
.footer-in{max-width:1200px;margin:0 auto}

/* utility */
.pill-row{display:flex;gap:8px;flex-wrap:wrap}
.gap-sm{gap:8px}.gap-lg{gap:20px}
.center{text-align:center}
.flex1{flex:1}
.locked{position:relative}
.locked::after{content:'🔒 Verify to unlock';position:absolute;inset:0;background:rgba(248,250,252,.82);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--ink-3);border-radius:var(--r-lg);font-size:14px}

/* ─────────── RESPONSIVE ─────────── */
@media(max-width:1024px){
  .g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}.fs-results{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
  .sidebar{position:fixed;left:0;top:0;transform:translateX(-100%);transition:transform .28s var(--ease);box-shadow:var(--sh-lg)}
  .sidebar.open{transform:translateX(0)}
  .hamburger{display:flex}
  .nav-links{display:none}
  .tabbar{display:block}
  .main{padding-bottom:64px}
  .content{padding:16px 14px 80px}
  .g2,.g3,.g4,.fs-results{grid-template-columns:1fr}
  .scrim{display:none;position:fixed;inset:0;background:rgba(15,23,42,.4);z-index:35}
  .scrim.show{display:block}
  .desktop-only{display:none!important}
}
@media(min-width:861px){.mobile-only{display:none!important}}
/* Collapsible sidebar (desktop) */
@media(min-width:861px){
  .collapse-btn{display:flex}
  .sidebar{transition:width .22s var(--ease)}
  .sidebar.collapsed{width:76px}
  .sidebar.collapsed .sb-name{display:none}
  .sidebar.collapsed .sb-user-card{justify-content:center;padding:8px;margin:0 14px 8px}
  .sidebar.collapsed .sb-user-card .flex1{display:none}
  .sidebar.collapsed .sb-nav{padding:6px 10px}
  .sidebar.collapsed .sb-sec{font-size:0;padding:12px 0 4px;text-align:center}
  .sidebar.collapsed .sb-sec::after{content:"•";font-size:12px;color:var(--ink-4)}
  .sidebar.collapsed .sb-link{font-size:0;justify-content:center;padding:11px 0;gap:0}
  .sidebar.collapsed .sb-link .ic{font-size:18px;width:auto}
  .sidebar.collapsed .sb-link .count{position:absolute;top:5px;right:16px;width:8px;height:8px;min-width:0;padding:0;font-size:0;border-radius:50%}
  .sidebar.collapsed .sb-link.active::before{left:-10px}
  .sidebar.collapsed .sb-foot{padding:12px 8px}
}
@media(max-width:520px){
  .hero{padding:36px 16px}.section{padding:36px 16px}
  .otp input{width:42px;height:52px;font-size:20px}
  .tb-right .hide-xs{display:none}
}

/* ═══════════ PORTAL COMPONENTS (student/teacher SPA) ═══════════ */
/* portal hero banner */
.phero{background:var(--grad-deep);color:#fff;border-radius:var(--r-xl);padding:24px 26px;position:relative;overflow:hidden;box-shadow:var(--sh-lg)}
.phero .glow{position:absolute;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.12);filter:blur(50px);top:-90px;right:60px;pointer-events:none}
.phero h2{color:#fff;font-size:28px}
.phero .ticker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.8);margin-bottom:12px}
.phero .ticker .dot{width:8px;height:8px;border-radius:50%;background:#4ADE80;box-shadow:0 0 8px #4ADE80;animation:pulse 1.5s infinite}
.hpill{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-pill);padding:5px 13px;font-size:12.5px;font-weight:700;color:#fff;cursor:pointer}
.hstat{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:14px 16px;text-align:center;min-width:88px;backdrop-filter:blur(4px)}
.hstat .n{font-family:var(--serif);font-size:30px;font-weight:800;color:#fff;line-height:1}
.hstat .l{font-size:10px;font-weight:700;color:rgba(255,255,255,.6);letter-spacing:.06em;margin-top:5px;text-transform:uppercase}

/* scroll row */
.scroll-row{display:flex;gap:14px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory}
.scroll-row::-webkit-scrollbar{height:6px}
.sec-hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.sec-hd .t{font-family:var(--serif);font-size:16px;font-weight:800}

/* video card */
.vcard{flex:0 0 220px;scroll-snap-align:start;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--surface);box-shadow:var(--sh);transition:.18s;cursor:pointer}
.vcard:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.vcard .thumb{height:118px;background:var(--grad-deep);display:flex;align-items:center;justify-content:center;position:relative}
.vcard .thumb .play{width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px}
.vcard .thumb .dur{position:absolute;bottom:8px;right:9px;font-size:11px;color:#fff;background:rgba(0,0,0,.4);padding:1px 7px;border-radius:6px}
.vcard .body{padding:12px}

/* quiz card */
.qzcard{border-radius:var(--r-lg);padding:18px;color:#fff;position:relative;overflow:hidden;box-shadow:var(--sh-md)}
.qzcard .k{font-size:11px;font-weight:700;opacity:.8;letter-spacing:.04em}
.qzcard .t{font-family:var(--serif);font-size:18px;font-weight:800;margin:6px 0 12px}

/* note card */
.ncard{display:flex;align-items:center;gap:13px;padding:13px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);margin-bottom:10px;transition:.15s}
.ncard:hover{box-shadow:var(--sh);border-color:var(--line-2)}
.ncard .nic{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}

/* achievement card */
.acard{text-align:center;padding:16px 10px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);transition:.18s}
.acard:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.acard .e{font-size:34px;display:block;margin-bottom:6px}
.acard.locked{opacity:.6;background:var(--surface-2);filter:grayscale(.4)}

/* leaderboard */
.lbrow{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.lbrank{width:30px;text-align:center;font-family:var(--serif);font-weight:800;color:var(--ink-3)}
.lbrank.gold{color:#F59E0B;font-size:20px}.lbrank.silver{color:#94A3B8;font-size:20px}.lbrank.bronze{color:#D97706;font-size:20px}
.podium{border-radius:var(--r-lg);padding:18px;text-align:center;border:2px solid;transition:.18s}
.podium:hover{transform:translateY(-4px)}

/* upload zone */
.upload{border:2px dashed var(--line-2);border-radius:var(--r);padding:22px;text-align:center;cursor:pointer;transition:.15s}
.upload:hover{border-color:var(--indigo);background:var(--indigo-50)}

/* level badge / xp */
.lvl{display:inline-flex;align-items:center;gap:5px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);border-radius:9px;padding:3px 10px;font-size:12px;font-weight:800;color:#fff}

/* FAB */
.fab{position:fixed;right:20px;bottom:84px;width:56px;height:56px;border-radius:18px;background:var(--grad);color:#fff;display:none;align-items:center;justify-content:center;font-size:26px;box-shadow:0 10px 26px rgba(99,102,241,.5);z-index:45}
@media(min-width:861px){.fab{display:flex;bottom:24px}}

/* mode toggle */
.modesw{display:flex;gap:3px;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:3px}
.modesw button{padding:6px 12px;border-radius:8px;font-size:12px;font-weight:700;color:var(--ink-3)}
.modesw button.active{background:var(--surface);color:var(--indigo-700);box-shadow:var(--sh-xs)}

/* SPA page transition */
.spa-page{animation:fadeUp .35s var(--ease) both}
.attend{aspect-ratio:1;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:600}

/* ═══════════ SET 3 — "TRUST BLUE" (institutional, dark navy sidebar, dense) ═══════════ */
:root{
  --indigo:#1558A0;--indigo-600:#1558A0;--indigo-700:#0F3F7A;--indigo-500:#2E73C4;
  --violet:#1558A0;--violet-500:#2E73C4;
  --grad:linear-gradient(135deg,#1E6FBF,#0F3F7A);--grad-deep:linear-gradient(135deg,#0F3F7A,#0B2E5C);
  --indigo-50:#EAF2FB;--indigo-100:#D2E3F5;
  --emerald:#047857;--emerald-50:#ECFDF5;--emerald-100:#D1FAE5;
  --sky:#0369A1;--sky-50:#F0F9FF;--sky-100:#E0F2FE;
  --gold:#B45309;--gold-50:#FFFBEB;--gold-100:#FEF3C7;--amber:#B45309;--amber-50:#FFFBEB;
  --rose:#BE123C;--rose-50:#FFF1F2;--rose-100:#FFE4E6;--purple:#6D28D9;--purple-50:#F5F3FF;
  --ink:#0F1E33;--ink-2:#33486A;--ink-3:#5E7491;--ink-4:#90A2BC;
  --line:#DEE6F0;--line-2:#CBD7E6;--bg:#F0F4FA;--surface:#FFFFFF;--surface-2:#F5F8FC;
  --r-xs:6px;--r-sm:8px;--r:10px;--r-lg:13px;--r-xl:16px;
  --sh:0 1px 2px rgba(15,30,51,.07),0 1px 2px rgba(15,30,51,.04);--sh-md:0 6px 18px rgba(15,30,51,.10);--sh-lg:0 16px 40px rgba(15,30,51,.16);
  --ring:0 0 0 3px rgba(21,88,160,.25);--sb:248px;
  --serif:'Plus Jakarta Sans',system-ui,sans-serif;--sans:'Inter',system-ui,sans-serif;
}
/* dark navy sidebar */
.sidebar{background:#0B1A30;border-right-color:#16294a}
.sb-name,.sb-user-card div{color:#fff!important}.sb-name span{-webkit-text-fill-color:#7FB3F0}
.sb-sec{color:#5E7DA8}
.sb-link{color:#AFC2DC}.sb-link:hover{background:rgba(255,255,255,.07)}.sb-link.active{background:rgba(46,115,196,.28);color:#fff}
.sb-link.active::before{background:#4D96E0}
.sb-user-card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.09)}
.sb-user-card .tiny{color:#8FA6C4!important}
.sb-foot{border-top-color:rgba(255,255,255,.1)}.sb-foot .sb-link{color:#AFC2DC}
.content{max-width:1340px}

/* ═══════════ BRAND LOGO LOCKUP (Kautuki — official mark + script wordmark) ═══════════ */
/* Sidebar brand (app/discover/studio/admin/school) */
.sb-brand{gap:12px}
.sb-brand .sb-mark{background:none!important;box-shadow:none!important;padding:0;overflow:hidden}
.sb-brand .sb-mark img{width:38px;height:38px;display:block}
.sb-brand .sb-name{font-family:'AlexBrush',cursive;font-weight:400;font-size:28px;letter-spacing:0;line-height:1}
.sb-brand .sb-name b{color:#E8A020;font-weight:400}
.sb-brand .badge{font-family:var(--sans);font-weight:700}
/* Non-sidebar wordmark (nav, footer, auth brandside, cover, back-links) */
.kword{font-family:'AlexBrush',cursive;font-weight:400;letter-spacing:0;line-height:1;color:#0F2557}
.kword b{color:#E8A020;font-weight:400}
.kword.on-dark{color:#fff}