:root{
  --ink:#0d0f14;--ink-2:#3a4152;--muted:#6b7385;--line:#e8e9f0;
  --bg:#f6f6fa;--bg-soft:#f1f1f7;--card:#fff;
  --brand:#5b54e8;--brand-2:#8a7cff;--brand-ink:#3c34c9;
  --ok:#15a34a;--ok-soft:#e9f8ef;--bad:#dc2626;--bad-soft:#fdecec;--amber:#d97706;
  --r-sm:10px;--r:16px;--r-lg:22px;
  --sh-sm:0 1px 2px rgba(13,15,20,.06),0 1px 3px rgba(13,15,20,.05);
  --sh:0 16px 40px -18px rgba(20,18,80,.2);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
}
[data-theme="dark"]{
  --ink:#eef0f6;--ink-2:#aeb4c6;--muted:#7c8499;--line:#272c3a;
  --bg:#0a0c11;--bg-soft:#11141c;--card:#14171f;
  --brand:#8079f2;--brand-2:#a99dff;--brand-ink:#c3bcff;
  --ok:#34c77b;--ok-soft:#10261b;--bad:#f06868;--bad-soft:#2b1517;--amber:#e6a23c;
  --sh-sm:0 1px 2px rgba(0,0,0,.5);--sh:0 16px 40px -18px rgba(0,0,0,.7);
}
*{box-sizing:border-box;margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
body{font-family:var(--font);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;letter-spacing:-.01em;line-height:1.55;transition:background .3s,color .3s}
a{color:inherit;text-decoration:none}

.topbar{position:sticky;top:0;z-index:30;height:62px;border-bottom:1px solid var(--line);background:var(--card);display:flex;align-items:center}
.topbar-in{max-width:820px;margin:0 auto;padding:0 22px;width:100%;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.logo .mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(140deg,var(--brand-2),var(--brand));display:grid;place-items:center}
.tnav{display:flex;gap:22px;margin-left:auto;margin-right:18px;font-size:15px;font-weight:600;color:var(--ink-2)}
.tnav a:hover{color:var(--brand)}
.tnav-act{font-size:14px;font-weight:650;color:var(--brand);margin-right:14px}
@media(max-width:620px){.tnav{gap:14px;margin-right:12px;font-size:13px}}
.theme-tg{width:40px;height:40px;flex:none;border-radius:10px;border:1px solid var(--line);background:var(--card);display:grid;place-items:center;cursor:pointer;color:var(--ink-2);transition:.18s}
.theme-tg:hover{color:var(--brand);border-color:var(--brand)}
.theme-tg .moon{display:none}[data-theme="dark"] .theme-tg .sun{display:none}[data-theme="dark"] .theme-tg .moon{display:block}

.wrap{max-width:820px;margin:0 auto;padding:30px 22px 80px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:650;font-size:15px;padding:12px 20px;border-radius:999px;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:.18s}
.btn.primary{background:linear-gradient(180deg,var(--brand-2),var(--brand));color:#fff;box-shadow:0 8px 20px -8px rgba(91,84,232,.6)}
.btn.primary:hover{transform:translateY(-2px)}
.btn.ghost{background:var(--card);border-color:var(--line);color:var(--ink)}

.hero-min{text-align:center;padding:60px 0}
.hero-min h1{font-size:34px;letter-spacing:-.03em;font-weight:800;margin-bottom:10px}
.hero-min p{color:var(--ink-2);margin-bottom:24px}
.dev{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--amber);background:var(--bg-soft);border:1px solid var(--line);padding:5px 12px;border-radius:999px;margin-bottom:18px}

.crumbs{font-size:13px;color:var(--muted);font-weight:600}
.crumbs b{color:var(--ink-2)}
.prog{font-size:13px;font-weight:650;color:var(--ink-2);margin:6px 0 18px}

.qcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);overflow:hidden}
.qhead{padding:16px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.area{font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--brand);background:#efeefe;padding:6px 12px;border-radius:999px}
[data-theme="dark"] .area{background:#211f3d}
.diff{font-size:12px;font-weight:650;color:var(--amber);background:#fff6ea;padding:6px 11px;border-radius:999px;text-transform:capitalize}
[data-theme="dark"] .diff{background:#241a0d}
.qbody{padding:24px}
.qtext{font-size:18px;font-weight:650;line-height:1.5;margin-bottom:20px;letter-spacing:-.015em}
.opts{display:flex;flex-direction:column;gap:11px}
.opt{display:flex;gap:13px;align-items:flex-start;padding:15px 17px;border:1.5px solid var(--line);border-radius:var(--r-sm);cursor:pointer;transition:.15s;background:var(--card);font-size:15.5px}
.opt:hover{border-color:var(--brand);background:#faf9ff}
[data-theme="dark"] .opt:hover{background:#1b1e2c}
.opt .key{flex:none;width:27px;height:27px;border-radius:8px;background:var(--bg-soft);border:1px solid var(--line);display:grid;place-items:center;font-size:14px;font-weight:700;color:var(--ink-2)}
.opt .txt{padding-top:2px}
.opt.correct{border-color:var(--ok);background:var(--ok-soft)}
.opt.correct .key{background:var(--ok);color:#fff;border-color:var(--ok)}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.opt.wrong .key{background:var(--bad);color:#fff;border-color:var(--bad)}

.feedback{display:none;margin-top:20px}
.feedback.show{display:block;animation:rise .35s ease}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.exp{background:linear-gradient(180deg,#f7f6ff,#fbfbff);border:1px solid #e7e4ff;border-radius:var(--r);padding:18px 20px;font-size:15px;color:var(--ink-2);line-height:1.6}
[data-theme="dark"] .exp{background:linear-gradient(180deg,#171a28,#14171f);border-color:#2d2b50}
.exp h4{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--brand);margin:14px 0 8px}
.exp b{color:var(--ink)}
.oe{display:flex;gap:9px;margin-bottom:8px;font-size:14.5px}
.oe b{flex:none;width:18px}
.src{display:inline-flex;gap:7px;align-items:center;margin-top:14px;font-size:13px;font-weight:650;color:var(--brand);background:var(--card);border:1px solid #e7e4ff;padding:9px 14px;border-radius:999px}
[data-theme="dark"] .src{border-color:#2d2b50}

.qfoot{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-top:1px solid var(--line);background:var(--bg-soft)}

/* ===== EXAM MODE ===== */
.eh1{font-size:28px;font-weight:800;letter-spacing:-.03em;margin:8px 0 18px}
.ecard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);padding:26px}
.lbl{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:12px}
.segs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.seg{position:relative;cursor:pointer}
.seg input{position:absolute;opacity:0}
.seg span{display:inline-block;padding:11px 18px;border:1.5px solid var(--line);border-radius:11px;font-weight:650;font-size:14.5px;background:var(--card);transition:.15s}
.seg input:checked+span{border-color:var(--brand);background:var(--ok-soft);color:var(--ok)}
.tog{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--ink-2);margin-bottom:24px;cursor:pointer}
.tog input{width:18px;height:18px;accent-color:var(--brand)}
.note{font-size:13px;color:var(--muted);margin-top:14px}

.ebar{position:sticky;top:62px;z-index:20;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 17px;display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;box-shadow:var(--sh-sm)}
.timer{font-weight:800;font-size:18px;font-variant-numeric:tabular-nums;color:var(--ink)}
.timer.low{color:var(--bad)}
.eq{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:14px}
.eq .n{font-size:12px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--brand);margin-bottom:9px}
.eq .s{font-size:16px;font-weight:650;margin-bottom:14px;line-height:1.5}
.eopt{display:flex;gap:12px;align-items:flex-start;padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;margin-bottom:9px;cursor:pointer;font-size:15px;background:var(--card);transition:.15s}
.eopt:hover{border-color:var(--brand)}
.eopt input{margin-top:2px;accent-color:var(--brand);flex:none}
.eopt .k{font-weight:800;flex:none}
.eopt:has(input:checked){border-color:var(--brand);background:#faf9ff}
[data-theme="dark"] .eopt:has(input:checked){background:#1b1e2c}
.submit-ex{position:sticky;bottom:0;padding:14px 0;background:linear-gradient(to top,var(--bg) 60%,transparent)}

/* result / readiness */
.rcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);padding:30px;text-align:center;margin-bottom:22px}
.verdict{display:inline-block;font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;margin-bottom:12px}
.verdict.pass{background:var(--ok-soft);color:var(--ok)}
.verdict.fail{background:var(--bad-soft);color:var(--bad)}
.score{font-size:52px;font-weight:800;letter-spacing:-.03em;line-height:1}
.rsub{color:var(--muted);font-size:15px;margin-top:6px}
.rh{font-size:16px;font-weight:750;margin:24px 0 10px}
.rcard2{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:8px 20px;box-shadow:var(--sh-sm)}
.ka{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}
.ka:last-child{border-bottom:0}
.ka .nm{flex:none;width:240px;font-size:14px;font-weight:600}
.ka .tr{flex:1;height:9px;background:var(--bg-soft);border-radius:99px;overflow:hidden;min-width:80px}
.ka .tr i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand-2),var(--brand))}
.ka .sc{flex:none;width:60px;text-align:right;font-weight:700;font-size:13px}
@media(max-width:560px){.ka{flex-wrap:wrap}.ka .nm{width:100%}}
.miss{padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--ink-2)}
.miss:last-child{border-bottom:0}
.miss .mk{display:inline-block;font-size:11px;font-weight:700;color:var(--brand);background:var(--bg-soft);padding:2px 8px;border-radius:6px;margin-right:8px}
.rfoot{display:flex;gap:12px;justify-content:center;margin-top:24px}

/* ===== AUTH ===== */
.auth{max-width:400px;margin:40px auto;text-align:center}
.auth h1{font-size:28px;font-weight:800;letter-spacing:-.03em;margin-bottom:6px}
.asub{color:var(--ink-2);margin-bottom:22px}
.aerr{background:var(--bad-soft);color:var(--bad);border:1px solid var(--bad);border-radius:10px;padding:11px 14px;font-size:14px;margin-bottom:16px}
.aform{display:flex;flex-direction:column;gap:14px;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--sh)}
.aform label{font-size:13px;font-weight:650;color:var(--ink-2);display:flex;flex-direction:column;gap:6px}
.aform input{font-family:inherit;font-size:15px;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);outline:none}
.aform input:focus{border-color:var(--brand)}
.aform .btn{justify-content:center;margin-top:4px}
.aswitch{margin-top:18px;font-size:14px;color:var(--ink-2)}
.aswitch a{color:var(--brand);font-weight:650}

/* ===== DASHBOARD ===== */
.dh{font-size:26px;font-weight:800;letter-spacing:-.03em;margin:6px 0 2px}
.dhs{color:var(--ink-2);margin-bottom:22px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
@media(max-width:680px){.stats{grid-template-columns:1fr 1fr}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--sh-sm)}
.stat .v{font-size:26px;font-weight:800;letter-spacing:-.02em}
.stat .l{font-size:12.5px;color:var(--muted);font-weight:600;margin-top:2px}
.dcard{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--sh-sm);margin-bottom:18px}
.dcard h3{font-size:16px;font-weight:750;margin-bottom:4px}
.dcard .s{font-size:13px;color:var(--muted);margin-bottom:14px}
.resume{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:linear-gradient(135deg,#1b1840,#3a2fb0 70%);color:#fff;border:0}
.resume h3{color:#fff}.resume .s{color:rgba(255,255,255,.82);margin:0}
.resume .btn{background:#fff;color:var(--brand-ink)}
.duecard{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;border-left:4px solid var(--amber)}

/* ===== ERROR LOG ===== */
.eband{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:linear-gradient(135deg,#1b1840,#3a2fb0 70%);color:#fff;border-radius:16px;padding:22px;margin-bottom:8px}
.eband h3{font-size:18px;font-weight:750}.eband .s{font-size:13px;opacity:.82}
.eband .btn{background:#fff;color:var(--brand-ink)}
.eband .btn.dis{opacity:.5;pointer-events:none}
.exp-sr{font-size:13px;color:var(--muted);margin:14px 0 18px}
.erow{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}
.erow.due{border-left:3px solid var(--amber)}
.erow .et{flex:1;font-size:14.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.erow .ek{font-size:11px;font-weight:700;color:var(--brand);background:var(--bg-soft);padding:2px 8px;border-radius:6px;margin-right:6px}
.est{flex:none;font-size:12px;font-weight:700;padding:4px 10px;border-radius:99px}
.est.duex{background:#fff6ea;color:var(--amber)}
[data-theme="dark"] .est.duex{background:#241a0d}
.est.sched{background:var(--bg-soft);color:var(--muted)}
.erow .btn-sm{flex:none;font-size:13px;font-weight:650;padding:8px 14px;border-radius:9px;border:1px solid var(--line);color:var(--brand)}
.erow .btn-sm:hover{border-color:var(--brand)}
.empty{text-align:center;color:var(--muted);padding:40px;font-size:15px}

/* ===== SHARED: theme toggle button ===== */
.theme-tg{width:38px;height:38px;flex:none;border-radius:10px;border:1px solid var(--line);background:var(--card);display:grid;place-items:center;cursor:pointer;color:var(--ink-2);transition:.18s}
.theme-tg:hover{color:var(--brand);border-color:var(--brand)}
.theme-tg .moon{display:none}[data-theme="dark"] .theme-tg .sun{display:none}[data-theme="dark"] .theme-tg .moon{display:block}

/* ===== APP LAYOUT (left sidebar) ===== */
.applayout{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.side{position:sticky;top:0;height:100vh;background:var(--card);border-right:1px solid var(--line);padding:20px 14px;display:flex;flex-direction:column;gap:5px}
.slogo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;padding:6px 8px 16px}
.slogo .mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(140deg,var(--brand-2),var(--brand));display:grid;place-items:center;flex:none}
.nav-i{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:11px;font-size:14.5px;font-weight:550;color:var(--ink-2);cursor:pointer;transition:.15s}
.nav-i:hover{background:var(--bg-soft)}
.nav-i.on{background:#efeefe;color:var(--brand-ink);font-weight:650}
[data-theme="dark"] .nav-i.on{background:#211f3d}
.nav-i .ic{flex:none;width:20px;height:20px;display:grid;place-items:center}
.nbadge{margin-left:auto;font-size:11px;font-weight:700;background:var(--bad-soft);color:var(--bad);padding:2px 8px;border-radius:99px}
.side .spacer{flex:1}
.sfoot{border-top:1px solid var(--line);padding-top:10px}
.sacct{font-size:12px;color:var(--muted);padding:4px 12px 8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.srow{display:flex;align-items:center;gap:8px}
.nav-i.slim{flex:1;padding:9px 12px}
.examsw{width:100%;margin:2px 0 12px;padding:10px 11px;border:1px solid var(--line);border-radius:10px;background:var(--bg-soft);color:var(--ink);font-family:inherit;font-size:13px;font-weight:650;cursor:pointer;outline:none}
.examsw:focus{border-color:var(--brand)}

/* ===== UPGRADE / PAYWALL ===== */
.uptiers{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:620px;margin:8px 0 0}
@media(max-width:600px){.uptiers{grid-template-columns:1fr}}
.uptier{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--sh-sm)}
.uptier.hot{border-color:var(--brand);box-shadow:var(--sh)}
.pbadge2{position:absolute;top:-11px;left:20px;background:linear-gradient(180deg,var(--brand-2),var(--brand));color:#fff;font-size:11px;font-weight:700;padding:4px 11px;border-radius:99px}
.uptier h3{font-size:16px;font-weight:700;margin-bottom:8px}
.upamt{font-size:34px;font-weight:800;letter-spacing:-.03em}
.upamt span{font-size:14px;font-weight:600;color:var(--muted)}
.upsub{font-size:13px;color:var(--muted);margin:2px 0 16px}
.uptier .btn{width:100%;justify-content:center}
.upfeat{list-style:none;display:flex;flex-direction:column;gap:9px;margin:24px 0 8px;max-width:620px}
.upfeat li{display:flex;gap:9px;font-size:14.5px;color:var(--ink-2)}
.upfeat li::before{content:"✓";color:var(--ok);font-weight:800}
.lockbar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;background:linear-gradient(135deg,#1b1840,#3a2fb0 70%);color:#fff;border-radius:14px;padding:15px 20px;margin-bottom:18px}
.lockbar .lt{font-size:14px}.lockbar .lt b{font-weight:750}
.lockbar .btn{background:#fff;color:var(--brand-ink)}

/* ===== ONBOARDING ===== */
.welcome-pick{display:flex;flex-direction:column;gap:12px;margin-top:24px;text-align:left}
.wpick{display:block;background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:18px 20px;transition:.15s}
.wpick:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh)}
.wcode{font-size:13px;font-weight:800;color:var(--brand)}
.wname{font-size:17px;font-weight:700;letter-spacing:-.01em;margin:2px 0 3px}
.wtag{font-size:13.5px;color:var(--muted)}

/* ===== STUDY tools + note ===== */
.tools{display:flex;gap:8px;margin-top:18px}
.tool{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--ink-2);background:var(--card);border:1px solid var(--line);padding:9px 14px;border-radius:10px;cursor:pointer;transition:.15s;font-family:inherit}
.tool:hover{border-color:var(--brand);color:var(--brand)}
.tool.active{background:#efeefe;border-color:var(--brand);color:var(--brand)}
[data-theme="dark"] .tool.active{background:#211f3d}
.note{display:none;margin-top:14px;background:#fffdf5;border:1px solid #f0e6c0;border-radius:10px;padding:14px 16px}
[data-theme="dark"] .note{background:#1d1a10;border-color:#473d18}
.note.show{display:block}
.note .h{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--amber);margin-bottom:6px}
.note textarea{width:100%;border:0;background:transparent;resize:vertical;min-height:54px;font-family:inherit;font-size:14.5px;color:var(--ink);outline:none}

/* ===== SIDEBAR streak ===== */
.sidestreak{margin:6px 6px 8px;padding:13px 15px;border-radius:14px;background:linear-gradient(140deg,#1b1840,#3a2fb0);color:#fff}
.ss-big{font-size:21px;font-weight:800}
.ss-lbl{font-size:11.5px;opacity:.82;margin-top:1px}

/* ===== BADGES (medals) ===== */
.medals{display:flex;gap:14px;flex-wrap:wrap}
.medal{flex:1;min-width:128px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 14px;text-align:center;transition:.18s}
.medal:hover{transform:translateY(-3px);box-shadow:var(--sh)}
.medal .disc{width:58px;height:58px;margin:0 auto 11px;border-radius:50%;display:grid;place-items:center;font-size:25px;background:radial-gradient(circle at 50% 32%,#fff5d6,#f6cf6b 58%,#d8a32f);box-shadow:0 6px 16px -7px rgba(216,163,47,.7),inset 0 -2px 4px rgba(120,80,0,.25);border:3px solid #f7e3a0}
.medal.m-violet .disc{background:radial-gradient(circle at 50% 32%,#ece8ff,#a99dff 58%,#6a5fe0);box-shadow:0 6px 16px -7px rgba(106,95,224,.7);border-color:#d4ccff}
.medal.m-green .disc{background:radial-gradient(circle at 50% 32%,#dffaeb,#5fd699 58%,#1f9b5f);box-shadow:0 6px 16px -7px rgba(31,155,95,.7);border-color:#b9eecf}
.medal.m-orange .disc{background:radial-gradient(circle at 50% 32%,#ffe9cf,#f5a94e 58%,#dd7d18);box-shadow:0 6px 16px -7px rgba(221,125,24,.7);border-color:#ffd6a3}
.medal b{font-size:13.5px;font-weight:700;display:block;letter-spacing:-.01em}
.medal span{font-size:11.5px;color:var(--muted);display:block;margin-top:2px}
.medal.locked{background:var(--bg-soft);border-style:dashed;opacity:.85}
.medal.locked .disc{background:var(--bg-soft);border:3px solid var(--line);box-shadow:none;color:var(--muted);filter:grayscale(1)}
.medal.locked b{color:var(--ink-2)}
.medal.locked .req{font-size:11px;font-weight:650;color:var(--brand);margin-top:5px;display:block}
@media(max-width:600px){.medals{gap:10px}.medal{min-width:calc(50% - 5px)}}

/* ===== NOTES page ===== */
.notecard{padding:18px 20px}
.ncard-ka{font-size:11px;font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}
.ncard-stem{font-size:14.5px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.ncard-body{font-size:14px;color:var(--ink-2);white-space:pre-wrap;border-left:3px solid var(--amber);padding-left:12px}
.appmain{max-width:860px;margin:0 auto;width:100%;padding:28px 26px 90px}
.mtop{display:none}
@media(max-width:900px){
  .applayout{grid-template-columns:1fr}
  .side{display:none}
  .mtop{display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:30;background:var(--card);border-bottom:1px solid var(--line);padding:10px 16px}
  .mtop .slogo{padding:0;font-size:17px}
  .mnav{display:flex;gap:15px;margin-left:auto;font-size:13.5px;font-weight:600;color:var(--ink-2);overflow-x:auto;white-space:nowrap}
  .mnav a.on{color:var(--brand)}
  .appmain{padding:22px 18px 90px}
}

/* ===== MODAL ===== */
.modal-bg{display:none;position:fixed;inset:0;z-index:100;background:rgba(13,15,20,.55);backdrop-filter:blur(3px);align-items:center;justify-content:center;padding:20px}
.modal-bg.show{display:flex;animation:mfade .2s ease}
@keyframes mfade{from{opacity:0}to{opacity:1}}
.modal{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:0 30px 70px -20px rgba(0,0,0,.5);padding:30px;max-width:420px;width:100%;text-align:center;animation:mpop .25s ease}
@keyframes mpop{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}
.modal-ic{font-size:40px;margin-bottom:8px}
.modal h3{font-size:21px;font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.modal p{color:var(--ink-2);font-size:15px;margin-bottom:22px}
.modal p b{color:var(--ink)}
.modal-act{display:flex;gap:10px;justify-content:center}
.modal-act .btn{flex:1;justify-content:center}

/* ===== AUTH split-screen ===== */
.authpage{display:grid;grid-template-columns:1.05fr 1fr;min-height:100vh}
@media(max-width:860px){.authpage{grid-template-columns:1fr}.authbrand{display:none}}
.authbrand{background:linear-gradient(150deg,#1b1840,#3a2fb0 55%,#5b54e8);color:#fff;padding:42px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.authbrand::after{content:"";position:absolute;inset:auto -20% -30% 25%;width:60%;height:320px;background:radial-gradient(circle,rgba(255,255,255,.15),transparent 60%)}
.blogo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#fff;position:relative}
.blogo .mark{width:30px;height:30px;border-radius:9px;background:rgba(255,255,255,.18);display:grid;place-items:center}
.bmid{position:relative;max-width:430px}
.bmid h1{font-size:clamp(28px,3.1vw,38px);letter-spacing:-.03em;line-height:1.1;font-weight:800;margin-bottom:14px}
.blead{font-size:16px;opacity:.85;margin-bottom:24px;line-height:1.6}
.bbenefits{list-style:none;display:flex;flex-direction:column;gap:11px;margin-bottom:28px}
.bbenefits li{font-size:15px;opacity:.93}
.bquote{font-size:15px;font-style:italic;opacity:.92;border-left:2px solid rgba(255,255,255,.4);padding-left:14px;line-height:1.5}
.bquote span{display:block;font-style:normal;font-size:13px;opacity:.7;margin-top:7px}
.bdisc{position:relative;font-size:12px;opacity:.6}
.authform-side{display:flex;align-items:center;justify-content:center;padding:40px 24px;position:relative;background:var(--bg)}
.authtg{position:absolute;top:20px;right:20px}
.authcard{width:100%;max-width:380px}
.authcard h2{font-size:26px;font-weight:800;letter-spacing:-.03em;margin-bottom:6px}
.acsub{color:var(--ink-2);margin-bottom:24px}
.authcard .aform{background:none;border:0;box-shadow:none;padding:0}
.gbtn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px;border:1.5px solid var(--line);border-radius:11px;font-weight:650;font-size:15px;background:var(--card);color:var(--ink);cursor:pointer;transition:.15s;margin-bottom:16px}
.gbtn:hover{border-color:var(--brand);background:var(--bg-soft)}
.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px;margin-bottom:16px}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}
.amicro{margin-top:18px;font-size:12.5px;color:var(--muted);text-align:center}

/* ===== LEGAL ===== */
.legal{max-width:760px;margin:0 auto;padding:40px 22px 50px}
.legal h1{font-size:30px;font-weight:800;letter-spacing:-.03em;margin-bottom:4px}
.legal .upd{color:var(--muted);font-size:13px;margin-bottom:26px}
.legal h2{font-size:18px;font-weight:750;margin:26px 0 8px}
.legal p,.legal li{color:var(--ink-2);font-size:15px;line-height:1.7}
.legal ul{padding-left:20px;margin:8px 0}
.legal a{color:var(--brand);font-weight:600}

/* ===== PUBLIC SHELL: consistent nav + footer ===== */
.pubnav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(14px);background:rgba(255,255,255,.78);border-bottom:1px solid rgba(232,233,240,.8)}
[data-theme="dark"] .pubnav{background:rgba(11,13,19,.82);border-bottom-color:rgba(39,44,58,.7)}
.pubnav-in{max-width:1140px;margin:0 auto;padding:0 24px;height:66px;display:flex;align-items:center;gap:20px}
.plogo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--ink)}
.plogo .mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(140deg,var(--brand-2),var(--brand));display:grid;place-items:center;flex:none}
.publinks{display:flex;gap:28px;font-size:15px;font-weight:550;color:var(--ink-2)}
.publinks a:hover{color:var(--ink)}
.pubcta{display:flex;align-items:center;gap:10px;margin-left:auto}
@media(max-width:760px){.publinks{display:none}.pubcta .auth-only{display:none}.pubnav-in{gap:12px;padding:0 16px}}

.pubfoot{background:var(--bg-soft);border-top:1px solid var(--line);margin-top:46px}
.pubfoot-in{max-width:1140px;margin:0 auto;padding:44px 24px 18px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;padding-bottom:24px;border-bottom:1px solid var(--line)}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr;gap:26px}}
.foot-brand .plogo{margin-bottom:12px}
.foot-brand p{font-size:14px;color:var(--muted);max-width:280px;margin-bottom:14px;line-height:1.6}
.foot-trust{display:flex;flex-wrap:wrap;gap:8px}
.foot-trust span{font-size:11.5px;font-weight:600;color:var(--ink-2);background:var(--card);border:1px solid var(--line);padding:4px 10px;border-radius:99px}
.foot-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:14px;font-weight:700}
.foot-col a{display:block;font-size:14.5px;color:var(--ink-2);margin-bottom:11px}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:14px;flex-wrap:wrap}
.disclaimer{font-size:12px;color:var(--muted);line-height:1.6;max-width:760px}
.foot-copy{font-size:12.5px;color:var(--muted);white-space:nowrap}
.pubmain{max-width:820px;margin:0 auto;padding:40px 22px 50px}