/* ============================================================
   EXPLAINLY — app (Library · Account · Upgrade · Login)
   Shares the landing token system: [data-theme] [data-accent] [data-font]
   Adds app tokens: [data-card] (surface style) · [data-radius]
   ============================================================ */

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,select{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--a1);outline-offset:2px;border-radius:6px}

/* ---------- Tokens ---------- */
:root{
  --display:'Space Grotesk',system-ui,sans-serif;
  --body:'Manrope',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
  --r:16px;            /* base radius, overridden by [data-radius] */
  --r-sm:calc(var(--r) * .62);
  --r-lg:calc(var(--r) * 1.4);
  --sidebar:264px;
}
:root[data-font="techy"]   {--display:'Space Grotesk',system-ui,sans-serif}
:root[data-font="humanist"]{--display:'Bricolage Grotesque',system-ui,sans-serif}
:root[data-font="rounded"] {--display:'Sora',system-ui,sans-serif}

:root[data-radius="sharp"] {--r:8px}
:root[data-radius="rounded"]{--r:16px}
:root[data-radius="soft"]  {--r:26px}

/* Accent palettes (match landing) */
:root[data-accent="indigo"]{--a1:#6366f1;--a2:#8b5cf6;--a-glow:#818cf8;--a-ink:#c7c9ff}
:root[data-accent="navy"]  {--a1:#3b82f6;--a2:#4f46e5;--a-glow:#60a5fa;--a-ink:#bcd4ff}
:root[data-accent="slate"] {--a1:#5b9bd5;--a2:#7e8db5;--a-glow:#9cc4ec;--a-ink:#cfe0f2}
:root[data-accent="abyss"] {--a1:#22d3ee;--a2:#2dd4bf;--a-glow:#67e8f9;--a-ink:#b6f3ff}
:root[data-accent="forest"]{--a1:#22c55e;--a2:#34d399;--a-glow:#5af09a;--a-ink:#c0f7d6}

/* Dark (default) */
:root,:root[data-theme="dark"]{
  --bg:#06070f; --bg-2:#0a0c18; --bg-3:#0e1124;
  --ink:#eef0fa; --ink-2:#a7adca; --ink-3:#727a9c;
  --surface:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.15);
  --shadow:0 24px 60px -22px rgba(0,0,0,.72);
  --glass:rgba(12,14,28,.66);
  --star-op:1;
  color-scheme:dark;
}
/* Light */
:root[data-theme="light"]{
  --bg:#faf9f6; --bg-2:#eef0f9; --bg-3:#ffffff;
  --ink:#0e1020; --ink-2:#4b5270; --ink-3:#828aa8;
  --surface:#ffffff;
  --surface-2:#f3f5fc;
  --line:rgba(16,19,40,.10);
  --line-2:rgba(16,19,40,.17);
  --shadow:0 22px 48px -26px rgba(40,46,90,.30);
  --glass:rgba(255,255,255,.74);
  --star-op:.7;
  color-scheme:light;
}

body{
  font-family:var(--body);
  background:var(--bg);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  transition:background .5s var(--ease),color .4s var(--ease);
}

/* ---------- Card surface styles (tweakable) ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r);
  transition:border-color .25s,background .25s,transform .25s var(--ease),box-shadow .3s;
}
:root[data-card="elevated"] .card{box-shadow:0 1px 0 rgba(255,255,255,.02)}
:root[data-card="elevated"] .card.hov:hover{transform:translateY(-3px);border-color:color-mix(in oklab,var(--a1) 40%,transparent);box-shadow:var(--shadow)}
:root[data-card="outline"]  .card{background:transparent;box-shadow:none}
:root[data-card="outline"]  .card.hov:hover{border-color:var(--a1)}
:root[data-card="glass"]    .card{background:var(--glass);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-color:var(--line-2)}
:root[data-card="glass"]    .card.hov:hover{transform:translateY(-3px);border-color:color-mix(in oklab,var(--a1) 50%,transparent);box-shadow:var(--shadow)}

/* ---------- Background ---------- */
#starfield{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:var(--star-op);transition:opacity .5s var(--ease)}
.bg-aura{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(55% 38% at 78% -4%, color-mix(in oklab,var(--a1) 26%,transparent), transparent 70%),
    radial-gradient(48% 40% at 12% 4%, color-mix(in oklab,var(--a2) 16%,transparent), transparent 72%);
  transition:opacity .5s var(--ease)}
:root[data-theme="light"] .bg-aura{opacity:.55}

/* ============================================================
   SHELL
   ============================================================ */
.app-shell{position:relative;z-index:1;display:flex;min-height:100vh}
.app-shell.hidden{display:none}

/* ---- Sidebar (desktop) ---- */
.sidebar{position:sticky;top:0;align-self:flex-start;height:100vh;width:var(--sidebar);
  flex-shrink:0;display:flex;flex-direction:column;gap:6px;padding:24px 18px;
  border-right:1px solid var(--line);background:color-mix(in oklab,var(--bg) 60%,transparent);
  backdrop-filter:blur(14px)}
.side-brand{display:flex;align-items:center;gap:11px;padding:6px 8px 18px;font-family:var(--display);
  font-weight:600;font-size:20px;letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.side-brand img{width:36px;height:36px;border-radius:50%;
  box-shadow:0 0 0 1px var(--line),0 6px 18px -6px color-mix(in oklab,var(--a1) 60%,transparent)}
.side-brand .lite{color:var(--a-glow)}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-link{display:flex;align-items:center;gap:13px;padding:12px 14px;border-radius:var(--r-sm);
  color:var(--ink-2);font-weight:600;font-size:15px;transition:.2s;position:relative}
.side-link svg{width:21px;height:21px;flex-shrink:0}
.side-link:hover{background:var(--surface);color:var(--ink)}
.side-link.active{color:var(--ink);background:color-mix(in oklab,var(--a1) 13%,transparent)}
.side-link.active::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:3px;background:linear-gradient(var(--a1),var(--a2))}
.side-link .badge{margin-left:auto;font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;
  padding:2px 8px;border-radius:999px;background:var(--surface-2);color:var(--ink-3)}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.side-account{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--surface);transition:.2s}
.side-account:hover{border-color:var(--line-2)}
.side-account .avatar{width:34px;height:34px;flex-shrink:0}
.side-account .who{min-width:0}
.side-account .who b{display:block;font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-account .who span{display:block;font-size:11.5px;color:var(--ink-3);font-family:var(--mono);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---- Top bar (mobile) ---- */
.topbar{display:none;position:sticky;top:0;z-index:40;align-items:center;gap:12px;height:60px;
  padding:0 18px;border-bottom:1px solid var(--line);
  background:color-mix(in oklab,var(--bg) 78%,transparent);backdrop-filter:blur(14px)}
.topbar .brand{display:flex;align-items:center;gap:9px;font-family:var(--display);font-weight:600;font-size:18px}
.topbar .brand img{width:30px;height:30px;border-radius:50%;box-shadow:0 0 0 1px var(--line)}
.topbar .brand .lite{color:var(--a-glow)}
.topbar .spacer{margin-left:auto}

/* ---- Tab bar (mobile) ---- */
.tabbar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:40;
  grid-template-columns:repeat(3,1fr);padding:8px 8px calc(8px + env(safe-area-inset-bottom));
  border-top:1px solid var(--line);background:color-mix(in oklab,var(--bg) 86%,transparent);
  backdrop-filter:blur(16px)}
.tab-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:7px 0;border-radius:12px;
  color:var(--ink-3);font-size:11px;font-weight:600;transition:.2s}
.tab-item svg{width:23px;height:23px}
.tab-item.active{color:var(--a-glow)}

/* ---- Theme button ---- */
.theme-btn{display:grid;place-items:center;width:40px;height:40px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);transition:.2s}
.theme-btn:hover{border-color:var(--a1);color:var(--a-glow)}
.theme-btn svg{width:18px;height:18px}
.theme-btn .ic-sun{display:none}
:root[data-theme="light"] .theme-btn .ic-sun{display:block}
:root[data-theme="light"] .theme-btn .ic-moon{display:none}

/* ---- Avatar ---- */
.avatar{display:grid;place-items:center;border-radius:50%;font-family:var(--display);font-weight:600;
  color:#fff;background:linear-gradient(135deg,var(--a1),var(--a2));
  box-shadow:0 6px 16px -6px color-mix(in oklab,var(--a1) 70%,transparent);width:40px;height:40px;font-size:16px}

/* ============================================================
   CONTENT
   ============================================================ */
.app-content{flex:1;min-width:0}
.page{display:none;max-width:1080px;margin-inline:auto;padding:36px 32px 80px}
.page.active{display:block}
.page-head{margin-bottom:26px}
.eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--a-glow);display:inline-flex;align-items:center;gap:9px;margin-bottom:12px}
.eyebrow::before{content:"";width:20px;height:1px;background:linear-gradient(90deg,transparent,var(--a1))}
.page-title{font-family:var(--display);font-weight:600;letter-spacing:-.02em;line-height:1.05;
  font-size:clamp(28px,4vw,40px)}
.page-sub{color:var(--ink-2);font-size:16px;margin-top:8px;max-width:60ch}
.grad-text{background:linear-gradient(110deg,var(--a-glow),var(--a2));
  -webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--body);
  font-weight:600;font-size:14.5px;padding:12px 20px;border-radius:999px;border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .3s,background .25s,border-color .25s;white-space:nowrap}
.btn svg{width:17px;height:17px}
.btn-primary{color:#fff;background:linear-gradient(120deg,var(--a1),var(--a2));
  box-shadow:0 10px 26px -10px color-mix(in oklab,var(--a1) 80%,transparent),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -10px color-mix(in oklab,var(--a1) 90%,transparent),inset 0 1px 0 rgba(255,255,255,.3)}
.btn-ghost{background:var(--surface);border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--a1);background:var(--surface-2)}
.btn-sm{padding:9px 15px;font-size:13.5px}
.btn-full{width:100%}
.btn[disabled]{opacity:.5;pointer-events:none}

/* ---------- Stat tiles ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{padding:18px 18px 16px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line)}
.stat .k{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-3)}
.stat .k svg{width:15px;height:15px;color:var(--a-glow)}
.stat .v{font-family:var(--display);font-weight:600;font-size:30px;letter-spacing:-.02em;margin-top:10px;
  font-variant-numeric:tabular-nums}
.stat .v small{font-size:14px;color:var(--ink-3);font-weight:500;margin-left:3px}
.stat .d{font-size:12.5px;color:var(--ink-3);margin-top:2px}

/* ---------- Mode badges ---------- */
.mode-badge{display:inline-flex;align-items:center;font-family:var(--mono);font-size:10.5px;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;padding:4px 9px;border-radius:7px;border:1px solid transparent;white-space:nowrap}
.mode-eli5  {color:#5af09a;background:color-mix(in oklab,#22c55e 14%,transparent);border-color:color-mix(in oklab,#22c55e 30%,transparent)}
.mode-normal{color:var(--a-glow);background:color-mix(in oklab,var(--a1) 15%,transparent);border-color:color-mix(in oklab,var(--a1) 32%,transparent)}
.mode-deep  {color:#c4a3ff;background:color-mix(in oklab,#8b5cf6 16%,transparent);border-color:color-mix(in oklab,#8b5cf6 32%,transparent)}
.mode-why   {color:#67e8f9;background:color-mix(in oklab,#22d3ee 14%,transparent);border-color:color-mix(in oklab,#22d3ee 30%,transparent)}

/* ============================================================
   LIBRARY
   ============================================================ */
.lib-bar{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.search-wrap{position:relative;flex:1;min-width:200px}
.search-wrap svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--ink-3)}
.search-input{width:100%;padding:12px 14px 12px 44px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);font-size:14.5px;transition:.2s}
.search-input::placeholder{color:var(--ink-3)}
.search-input:focus{border-color:var(--a1);outline:none;background:var(--surface-2)}
.select-wrap{position:relative}
.select-wrap select{appearance:none;padding:11px 38px 11px 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);font-size:13.5px;font-weight:600;color:var(--ink);cursor:pointer}
.select-wrap::after{content:"";position:absolute;right:15px;top:50%;width:7px;height:7px;
  border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);transform:translateY(-70%) rotate(45deg);pointer-events:none}
.view-toggle{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--surface)}
.view-toggle button{display:grid;place-items:center;width:36px;height:32px;border-radius:999px;color:var(--ink-3);transition:.2s}
.view-toggle button svg{width:17px;height:17px}
.view-toggle button.on{background:linear-gradient(120deg,var(--a1),var(--a2));color:#fff}

/* collections */
.collections{display:flex;gap:9px;overflow-x:auto;padding-bottom:4px;margin-bottom:14px;scrollbar-width:none}
.collections::-webkit-scrollbar{display:none}
.coll{display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink-2);font-weight:600;font-size:13.5px;white-space:nowrap;transition:.2s}
.coll svg{width:15px;height:15px}
.coll .n{font-family:var(--mono);font-size:11px;color:var(--ink-3)}
.coll:hover{border-color:var(--line-2);color:var(--ink)}
.coll.active{color:#fff;background:linear-gradient(120deg,var(--a1),var(--a2));border-color:transparent}
.coll.active .n{color:rgba(255,255,255,.85)}
.coll.add{border-style:dashed;color:var(--ink-3)}

/* mode filter */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.chip{padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:transparent;
  color:var(--ink-2);font-weight:600;font-size:13px;transition:.2s}
.chip:hover{border-color:var(--line-2);color:var(--ink)}
.chip.active{color:var(--ink);background:var(--surface-2);border-color:var(--line-2)}

/* card list / grid */
.saves{display:grid;gap:14px}
.saves.grid{grid-template-columns:repeat(2,1fr)}
.save{padding:0;overflow:hidden}
.save-head{display:flex;align-items:flex-start;gap:13px;padding:17px 18px;cursor:pointer}
.save-top{display:flex;align-items:center;gap:9px;margin-bottom:9px;flex-wrap:wrap}
.save-src{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--ink-3);font-family:var(--mono)}
.save-fav-dot{width:16px;height:16px;border-radius:5px;display:grid;place-items:center;font-size:9px;font-weight:700;
  color:#fff;background:linear-gradient(135deg,var(--a1),var(--a2));flex-shrink:0}
.save-body-col{flex:1;min-width:0}
.save-title{font-family:var(--display);font-weight:600;font-size:16px;letter-spacing:-.01em;line-height:1.3;
  text-wrap:pretty}
.save-snippet{color:var(--ink-2);font-size:13.5px;margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden}
.save-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:11px}
.tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.03em;color:var(--ink-3);
  padding:3px 9px;border-radius:999px;border:1px solid var(--line);background:var(--surface-2)}
.tag::before{content:"#";opacity:.5;margin-right:1px}
.save-actions{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex-shrink:0}
.icon-btn{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;color:var(--ink-3);transition:.2s}
.icon-btn svg{width:17px;height:17px}
.icon-btn:hover{background:var(--surface-2);color:var(--ink)}
.icon-btn.star.on{color:#f5b73d}
.icon-btn.del:hover{color:#ff6b6b;background:color-mix(in oklab,#ff6b6b 12%,transparent)}
.save-date{font-size:11.5px;color:var(--ink-3);font-family:var(--mono);white-space:nowrap}
.save-chevron{width:18px;height:18px;color:var(--ink-3);transition:transform .3s var(--ease);margin-top:2px}
.save.open .save-chevron{transform:rotate(180deg)}
.save-body{display:none;padding:0 18px 18px;border-top:1px solid var(--line)}
.save.open .save-body{display:block}
.save-selected{font-size:14px;line-height:1.7;color:var(--ink);padding:16px;border-radius:var(--r-sm);
  background:var(--surface-2);border-left:3px solid var(--a1);margin:16px 0;font-style:italic}
.save-section{margin-top:16px}
.save-section .lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--a-glow)}
.save-section p{color:var(--ink-2);font-size:14.5px;line-height:1.7;margin-top:7px}
.save-source-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:13px;font-weight:600;
  color:var(--a-glow);font-family:var(--mono)}
.save-source-link svg{width:14px;height:14px}

/* empty state */
.empty{text-align:center;padding:70px 20px;color:var(--ink-3)}
.empty svg{width:46px;height:46px;margin-bottom:16px;color:var(--ink-3);opacity:.6}
.empty h3{font-family:var(--display);font-size:19px;font-weight:600;color:var(--ink-2)}
.empty p{font-size:14px;margin-top:7px;max-width:38ch;margin-inline:auto}

/* ============================================================
   ACCOUNT
   ============================================================ */
.acc-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start}
.profile{display:flex;align-items:center;gap:18px;padding:22px}
.profile .avatar{width:64px;height:64px;font-size:26px;border-radius:20px}
.profile .pinfo{min-width:0;flex:1}
.profile .pname{font-family:var(--display);font-size:22px;font-weight:600;letter-spacing:-.01em}
.profile .pemail{color:var(--ink-3);font-size:13.5px;font-family:var(--mono);margin-top:3px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tier-badge{display:inline-flex;align-items:center;gap:6px;margin-top:11px;font-family:var(--mono);
  font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.tier-free{color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line)}
.tier-pro{color:#fff;background:linear-gradient(120deg,var(--a1),var(--a2))}
.tier-premium{color:#0e1020;background:linear-gradient(120deg,#f5d76e,#f0a830)}

.section-card{padding:22px}
.section-card .sc-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.section-card h3{font-family:var(--display);font-size:17px;font-weight:600}
.sc-link{font-family:var(--mono);font-size:11.5px;color:var(--a-glow);font-weight:600}

/* usage bars */
.usage-row{margin-bottom:15px}
.usage-row:last-child{margin-bottom:0}
.usage-lbl{display:flex;justify-content:space-between;font-size:13px;margin-bottom:7px}
.usage-lbl b{font-weight:600}
.usage-lbl span{color:var(--ink-3);font-family:var(--mono);font-size:12px}
.usage-track{height:9px;border-radius:999px;background:var(--surface-2);overflow:hidden}
.usage-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--a1),var(--a2));transition:width 1s var(--ease)}
.usage-fill.warn{background:linear-gradient(90deg,#f0a830,#f5b73d)}
.usage-fill.full{background:linear-gradient(90deg,#ff6b6b,#ff8e53)}
.usage-reset{font-size:12px;color:var(--ink-3);font-family:var(--mono);margin-top:14px}

/* 7-day activity chart */
.chart{display:flex;align-items:flex-end;gap:10px;height:140px;margin-top:8px}
.chart-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;height:100%;justify-content:flex-end}
.chart-bar{width:100%;max-width:34px;border-radius:8px 8px 4px 4px;background:linear-gradient(var(--a-glow),var(--a1));
  min-height:5px;transition:height .8s var(--ease);position:relative}
.chart-bar.today{background:linear-gradient(var(--a-glow),var(--a2));box-shadow:0 0 0 1px color-mix(in oklab,var(--a1) 50%,transparent)}
.chart-col .cd{font-family:var(--mono);font-size:10.5px;color:var(--ink-3)}
.chart-col .cv{font-family:var(--mono);font-size:11px;font-weight:600;color:var(--ink-2)}

/* streak */
.streak{display:flex;align-items:center;gap:20px}
.streak-flame{display:grid;place-items:center;width:74px;height:74px;border-radius:22px;flex-shrink:0;
  background:linear-gradient(140deg,color-mix(in oklab,#f0a830 30%,transparent),color-mix(in oklab,#ff6b6b 18%,transparent));
  border:1px solid color-mix(in oklab,#f0a830 36%,transparent)}
.streak-flame svg{width:36px;height:36px;color:#f5b73d}
.streak-info .sn{font-family:var(--display);font-size:28px;font-weight:600}
.streak-info .sl{color:var(--ink-3);font-size:13px}
.streak-dots{display:flex;gap:7px;margin-top:12px}
.streak-dots i{width:22px;height:22px;border-radius:8px;background:var(--surface-2);border:1px solid var(--line);
  display:grid;place-items:center;font-size:10px;font-family:var(--mono);color:var(--ink-3)}
.streak-dots i.on{background:linear-gradient(140deg,#f0a830,#ff6b6b);border-color:transparent;color:#fff}

/* features list */
.feat-row{display:flex;align-items:center;gap:12px;padding:11px 0;border-top:1px solid var(--line);font-size:14.5px}
.feat-row:first-of-type{border-top:none}
.feat-row .ck{display:grid;place-items:center;width:22px;height:22px;border-radius:7px;flex-shrink:0;
  background:color-mix(in oklab,var(--a1) 16%,transparent);color:var(--a-glow)}
.feat-row .ck svg{width:14px;height:14px}
.feat-row.locked{color:var(--ink-3)}
.feat-row.locked .ck{background:var(--surface-2);color:var(--ink-3)}
.feat-row .lock-tag{margin-left:auto;font-family:var(--mono);font-size:10px;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink-3);padding:3px 9px;border-radius:999px;border:1px solid var(--line)}

/* settings */
.set-row{display:flex;align-items:center;gap:14px;padding:15px 0;border-top:1px solid var(--line)}
.set-row:first-of-type{border-top:none}
.set-row .si{min-width:0;flex:1}
.set-row .si b{display:block;font-size:14.5px;font-weight:600}
.set-row .si span{font-size:12.5px;color:var(--ink-3)}
.switch{position:relative;width:46px;height:27px;border-radius:999px;background:var(--surface-2);
  border:1px solid var(--line);flex-shrink:0;transition:.25s}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:21px;height:21px;border-radius:50%;
  background:var(--ink-3);transition:.25s var(--ease)}
.switch.on{background:linear-gradient(120deg,var(--a1),var(--a2));border-color:transparent}
.switch.on::after{transform:translateX(19px);background:#fff}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--surface-2)}
.seg button{padding:6px 13px;border-radius:999px;font-size:12.5px;font-weight:600;color:var(--ink-3);transition:.2s}
.seg button.on{background:linear-gradient(120deg,var(--a1),var(--a2));color:#fff}

.signout{display:flex;align-items:center;justify-content:center;gap:9px;padding:14px;width:100%;border-radius:var(--r);
  border:1px solid var(--line);color:var(--ink-2);font-weight:600;font-size:14px;transition:.2s}
.signout:hover{border-color:#ff6b6b;color:#ff6b6b;background:color-mix(in oklab,#ff6b6b 8%,transparent)}
.signout svg{width:17px;height:17px}

.legal{text-align:center;font-size:12.5px;color:var(--ink-3);margin-top:22px;font-family:var(--mono)}
.legal a{color:var(--ink-3)}
.legal a:hover{color:var(--a-glow)}

/* ============================================================
   UPGRADE
   ============================================================ */
.up-hero{text-align:center;max-width:640px;margin:0 auto 8px}
.bill-toggle{display:inline-flex;align-items:center;gap:5px;padding:5px;border-radius:999px;
  border:1px solid var(--line-2);background:var(--surface);position:relative;margin:22px auto 6px}
.bill-toggle button{padding:10px 22px;border-radius:999px;font-weight:600;font-size:14px;color:var(--ink-2);
  position:relative;z-index:1;transition:color .25s}
.bill-toggle button.on{color:#fff}
.bill-toggle .thumb{position:absolute;top:5px;bottom:5px;border-radius:999px;z-index:0;
  background:linear-gradient(120deg,var(--a1),var(--a2));transition:all .3s var(--ease);
  box-shadow:0 6px 16px -6px var(--a1)}
.save-pill{display:inline-block;font-family:var(--mono);font-size:12px;font-weight:600;color:var(--a-glow);margin-left:6px}

.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch;margin-top:34px}
.plan{display:flex;flex-direction:column;padding:28px 24px;position:relative;border-radius:var(--r-lg)}
.plan.featured{box-shadow:0 0 0 1.5px var(--a1),var(--shadow)}
.plan.featured::before{content:"";position:absolute;inset:0;border-radius:var(--r-lg);padding:1.5px;
  background:linear-gradient(140deg,var(--a1),var(--a2),transparent);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.plan-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:10.5px;
  letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:#fff;padding:5px 13px;border-radius:999px;
  background:linear-gradient(120deg,var(--a1),var(--a2));box-shadow:0 8px 20px -8px var(--a1);white-space:nowrap}
.plan-badge.save{background:linear-gradient(120deg,#f5d76e,#f0a830);color:#0e1020}
.plan-badge.current{background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line-2)}
.plan.current-plan{opacity:.92}
.plan-name{font-family:var(--display);font-size:20px;font-weight:600}
.plan-tag{color:var(--ink-3);font-size:13px;margin-top:5px;min-height:38px}
.plan-price{display:flex;align-items:flex-end;gap:3px;margin:14px 0 2px}
.plan-price .cur{font-family:var(--display);font-size:20px;font-weight:600;align-self:flex-start;margin-top:7px}
.plan-price .amt{font-family:var(--display);font-size:44px;font-weight:600;letter-spacing:-.02em;line-height:1}
.plan-price .per{color:var(--ink-3);font-size:13.5px;margin-bottom:6px}
.plan-usd{color:var(--ink-3);font-size:12.5px;font-family:var(--mono);min-height:18px}
.plan ul{display:flex;flex-direction:column;gap:11px;margin:20px 0 0}
.plan li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2)}
.plan li svg{width:17px;height:17px;flex-shrink:0;margin-top:2px;color:var(--a-glow)}
.plan li.off{opacity:.5}
.plan li.off svg{color:var(--ink-3)}
.plan .btn{margin-top:22px;width:100%}
.plan-spacer{flex:1}

/* comparison */
.compare{margin-top:26px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.cmp-toggle{display:flex;align-items:center;justify-content:space-between;padding:17px 22px;width:100%;
  font-family:var(--display);font-weight:600;font-size:16px}
.cmp-toggle svg{width:19px;height:19px;color:var(--ink-2);transition:transform .3s var(--ease)}
.compare.open .cmp-toggle svg{transform:rotate(180deg)}
.cmp-wrap{display:grid;grid-template-rows:0fr;transition:grid-template-rows .4s var(--ease)}
.compare.open .cmp-wrap{grid-template-rows:1fr}
.cmp-inner{overflow:hidden}
.cmp-scroll{overflow-x:auto}
table.cmp{width:100%;border-collapse:collapse;font-size:14px}
table.cmp th,table.cmp td{padding:13px 18px;text-align:center;border-top:1px solid var(--line)}
table.cmp thead th{font-family:var(--display);font-size:14px;font-weight:600;background:var(--surface-2)}
table.cmp th[scope="row"]{text-align:left;color:var(--ink-2);font-weight:500;font-family:var(--body)}
table.cmp td{color:var(--ink);font-variant-numeric:tabular-nums}
table.cmp .yes{color:var(--a-glow);display:inline-grid;place-items:center}
table.cmp .yes svg{width:18px;height:18px}
table.cmp .no{color:var(--ink-3)}
table.cmp .colpop{background:color-mix(in oklab,var(--a1) 7%,transparent)}

/* trust */
.trust{display:flex;align-items:center;justify-content:center;gap:26px;flex-wrap:wrap;margin-top:26px;
  color:var(--ink-3);font-size:13px}
.trust span{display:inline-flex;align-items:center;gap:8px}
.trust svg{width:17px;height:17px;color:var(--a-glow)}

/* banners */
.banner{display:none;padding:18px 20px;border-radius:var(--r);margin-bottom:20px}
.banner.show{display:block}
.banner h3{font-family:var(--display);font-size:18px;font-weight:600}
.banner p{font-size:14px;margin-top:5px}
.banner.success{background:color-mix(in oklab,var(--a1) 14%,transparent);border:1px solid color-mix(in oklab,var(--a1) 36%,transparent)}
.banner.success h3{color:var(--a-glow)}
.banner.fail{background:color-mix(in oklab,#ff6b6b 12%,transparent);border:1px solid color-mix(in oklab,#ff6b6b 32%,transparent)}

/* ============================================================
   LOGIN
   ============================================================ */
.login-stage{position:relative;z-index:1;min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:100%;max-width:420px;padding:40px 34px;text-align:center;position:relative}
.login-orb{position:relative;width:96px;height:96px;margin:0 auto 22px;display:grid;place-items:center}
.login-orb .glow{position:absolute;inset:-14%;border-radius:50%;filter:blur(26px);opacity:.8;
  background:radial-gradient(circle at 50% 45%,color-mix(in oklab,var(--a1) 60%,transparent),transparent 64%);
  animation:lbreathe 6s var(--ease) infinite}
@keyframes lbreathe{50%{transform:scale(1.1);opacity:1}}
.login-orb .ring{position:absolute;inset:-6%;border-radius:50%;
  border:1px solid color-mix(in oklab,var(--a1) 35%,transparent)}
.login-orb img{position:relative;width:84%;border-radius:50%;
  filter:drop-shadow(0 16px 28px color-mix(in oklab,var(--a1) 45%,transparent))}
.login-brand{font-family:var(--display);font-size:26px;font-weight:600;letter-spacing:-.01em;margin-bottom:6px}
.login-brand .lite{color:var(--a-glow)}
.login-title{font-family:var(--display);font-size:22px;font-weight:600;letter-spacing:-.01em;margin-top:14px}
.login-sub{color:var(--ink-2);font-size:14.5px;margin-top:10px;line-height:1.55}
.btn-google{display:flex;align-items:center;justify-content:center;gap:11px;width:100%;margin-top:26px;
  padding:14px;border-radius:999px;background:#fff;color:#1f2430;font-weight:600;font-size:15px;
  box-shadow:0 10px 28px -12px rgba(0,0,0,.5);transition:transform .22s var(--ease),box-shadow .3s}
.btn-google:hover{transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(0,0,0,.55)}
.login-perks{display:flex;flex-direction:column;gap:11px;margin-top:26px;text-align:left}
.login-perks li{display:flex;align-items:center;gap:11px;font-size:13.5px;color:var(--ink-2)}
.login-perks svg{width:17px;height:17px;color:var(--a-glow);flex-shrink:0}
.login-foot{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);line-height:1.9}
.login-foot a{color:var(--ink-2);font-weight:600}
.login-foot a:hover{color:var(--a-glow)}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:90px;translate:-50% 0;z-index:80;
  padding:12px 20px;border-radius:999px;background:var(--ink);color:var(--bg);font-size:13.5px;font-weight:600;
  opacity:0;pointer-events:none;transition:.3s var(--ease);box-shadow:var(--shadow)}
.toast.show{opacity:1;bottom:96px}
@media (min-width:901px){.toast{bottom:28px}.toast.show{bottom:34px}}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:980px){
  .acc-grid{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr;max-width:440px;margin-inline:auto}
  .plan.featured{order:-1}
}
@media (max-width:900px){
  .app-shell{display:block}
  .sidebar{display:none}
  .topbar{display:flex}
  .tabbar{display:grid}
  .page{padding:22px 18px 90px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .saves.grid{grid-template-columns:1fr}
  .lib-bar{gap:9px}
  .search-wrap{flex-basis:100%}
}