/* ECOSYSTEM HQ — profiles (25 Oct 2026): account.html and /u/<handle>.
   Same language as the book pages: San Francisco, the blue #006AFF, white, round, and room to breathe. */
.ac-wrap{max-width:1040px;margin:0 auto;padding:clamp(36px,6vw,84px) 24px clamp(70px,9vw,120px);font-family:var(--sans)}
.ac-card{background:#fff;border:1px solid #eceef1;border-radius:28px;padding:clamp(26px,4vw,48px)}
.ac-center{max-width:520px;margin:0 auto;text-align:center}
.ac-h{font:800 clamp(28px,4vw,40px)/1.1 var(--sans);letter-spacing:-.02em;margin:0 0 12px}
.ac-lead{font-size:16px;line-height:1.6;color:#424245;margin:0 0 26px}
.ac-kick{font:700 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:#006AFF;margin:0 0 14px}
.ac-form{text-align:left}
.ac-form label{display:block;font-weight:600;font-size:14px;margin:18px 0 8px}
.ac-form input[type=email],.ac-form input[type=text],.ac-form select,.ac-form textarea{width:100%;font:16px var(--sans);
  padding:15px 18px;border:1px solid #dcdfe4;border-radius:14px;background:#fff;color:#000;transition:border-color .2s,box-shadow .2s}
.ac-form textarea{min-height:92px;resize:vertical}
.ac-form input:focus,.ac-form select:focus,.ac-form textarea:focus{outline:0;border-color:#006AFF;box-shadow:0 0 0 4px rgba(0,106,255,.12)}
.ac-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ac-tick{display:flex;gap:12px;align-items:flex-start;margin-top:20px;padding:14px 16px;border:1px solid #e3e4e8;border-radius:14px;cursor:pointer;font-size:13px;line-height:1.55;color:#424245}
.ac-tick:has(input:checked){border-color:rgba(0,106,255,.45);background:rgba(0,106,255,.04)}
.ac-tick input{margin-top:2px;width:18px;height:18px;flex:none;accent-color:#006AFF}
.ac-btn{display:inline-block;border:0;cursor:pointer;background:#006AFF;color:#fff;text-decoration:none;font:700 15px/1 var(--sans);
  letter-spacing:.05em;text-transform:uppercase;padding:18px 30px;border-radius:999px;transition:background .25s,transform .25s,box-shadow .25s}
.ac-btn:hover:not(:disabled){background:#0051c7;transform:translateY(-1px);box-shadow:0 14px 34px rgba(0,106,255,.25)}
.ac-btn:disabled{opacity:.4;cursor:not-allowed}
.ac-btn.full{width:100%;margin-top:22px}
.ac-btn.ghost{background:#fff;color:#000;border:2px solid #000;padding:16px 26px}
.ac-btn.ghost:hover{background:#000;color:#fff;box-shadow:none}
.ac-btn.sm{font-size:12.5px;padding:12px 18px}
.ac-link{background:none;border:0;padding:0;color:#6e6e73;font:500 13px var(--sans);text-decoration:underline;cursor:pointer}
.ac-link:hover{color:#000}
.ac-link.red{color:#d92d20}
.ac-err{color:#d92d20;font-size:14px;margin:12px 0 0}
.ac-err:empty{display:none}
.ac-ok{color:#087f44;font-size:14px;margin:12px 0 0}
.ac-ok:empty{display:none}
.ac-fine{font-size:12.5px;line-height:1.55;color:#6e6e73;margin:18px 0 0}
.ac-sent{font-size:56px;line-height:1;margin-bottom:16px}
.ac-spin{width:34px;height:34px;margin:30px auto;border-radius:50%;border:3px solid #e6e8ec;border-top-color:#006AFF;animation:ac-sp 1s linear infinite}
@keyframes ac-sp{to{transform:rotate(360deg)}}

/* the signed-in page */
.ac-top{display:flex;align-items:center;gap:22px;margin-bottom:34px}
.ac-av{display:inline-grid;place-items:center;width:64px;height:64px;border-radius:50%;background:#006AFF;color:#fff;font:800 22px var(--sans);flex:none;object-fit:cover}
.ac-av.big{width:120px;height:120px;font-size:40px}
.ac-top h1{font:800 clamp(26px,3.4vw,36px)/1.1 var(--sans);margin:0;letter-spacing:-.02em}
.ac-top p{margin:4px 0 0;color:#6e6e73;font-size:14px}
.ac-tabs{display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid #eceef1;margin-bottom:30px}
.ac-tabs button{border:0;background:none;cursor:pointer;font:600 15px var(--sans);color:#6e6e73;padding:14px 16px;border-bottom:3px solid transparent;margin-bottom:-1px}
.ac-tabs button[aria-selected=true]{color:#000;border-bottom-color:#006AFF}
.ac-tabs button:hover{color:#000}
.ac-empty{padding:40px 0;text-align:center;color:#424245}
.ac-empty p{margin:0 0 20px}

.ac-books{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:22px}
.ac-book{border:1px solid #eceef1;border-radius:22px;padding:20px;display:flex;flex-direction:column;gap:14px;background:#fff}
.ac-book img{width:100%;aspect-ratio:148/210;object-fit:cover;border-radius:6px;box-shadow:0 10px 26px rgba(0,0,0,.12);background:#f5f5f6}
.ac-book b{font-size:16px;line-height:1.3}
.ac-book small{color:#6e6e73;font-size:12.5px;line-height:1.45}
.ac-book .ac-btn{text-align:center;margin-top:auto}

.ac-plan{border:1px solid #eceef1;border-radius:22px;padding:clamp(20px,3vw,30px);margin-bottom:20px;background:#fff}
.ac-plan.lock{background:#fafafb}
.ac-ph{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;flex-wrap:wrap}
.ac-ph h3{font:700 20px/1.2 var(--sans);margin:0}
.ac-ph p{margin:4px 0 0;color:#6e6e73;font-size:13.5px}
.ac-bar{height:10px;border-radius:99px;background:#eef0f3;overflow:hidden;margin:18px 0 6px}
.ac-bar i{display:block;height:100%;background:#006AFF;border-radius:99px;transition:width .5s var(--ease-out,ease)}
.ac-stat{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:#424245}
.ac-stat b{color:#000}
.ac-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(42px,1fr));gap:7px;margin-top:20px}
.ac-grid button{aspect-ratio:1;border:1px solid #e3e4e8;background:#fff;border-radius:11px;font:600 13px var(--sans);color:#424245;cursor:pointer;transition:background .2s,border-color .2s,transform .2s}
.ac-grid button:hover{border-color:#006AFF;transform:translateY(-1px)}
.ac-grid button.on{background:#006AFF;border-color:#006AFF;color:#fff}
.ac-grid button.sel{box-shadow:0 0 0 3px rgba(0,106,255,.3)}
.ac-grid .wk{grid-column:1/-1;font:600 11.5px var(--sans);letter-spacing:.08em;text-transform:uppercase;color:#6e6e73;margin-top:6px}
.ac-edit{margin-top:18px;padding:18px;border-radius:18px;background:#f5f8ff;display:grid;gap:12px}
.ac-edit[hidden]{display:none}
.ac-edit b{font-size:14px}
.ac-edit input{width:100%;font:16px var(--sans);padding:13px 16px;border:1px solid #dcdfe4;border-radius:12px}
.ac-edit .row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

.ac-fws{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.ac-fw{position:relative;display:block;border:1px solid #eceef1;border-radius:20px;padding:20px 22px;text-decoration:none;color:#000;background:#fff;transition:border-color .2s,transform .2s}
.ac-fw:hover{border-color:#006AFF;transform:translateY(-2px)}
.ac-fw b{display:block;font-size:15px;line-height:1.35;margin-bottom:6px;padding-right:24px}
.ac-fw span{display:block;font-size:13px;line-height:1.5;color:#424245}
.ac-fw em{display:block;font-style:normal;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:#006AFF;margin-bottom:8px;font-weight:700}
.ac-fw .x{position:absolute;top:14px;right:14px;width:28px;height:28px;border-radius:50%;border:0;background:#f2f3f5;cursor:pointer;color:#6e6e73;font-size:15px}
.ac-fw .x:hover{background:#e6e8ec;color:#000}

.ac-set{display:grid;gap:4px;max-width:620px}
.ac-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.ac-chip{display:inline-block;padding:8px 14px;border-radius:999px;border:1px solid #dcdfe4;font-size:13px;font-weight:600;cursor:pointer;background:#fff;user-select:none}
.ac-chips input{position:absolute;opacity:0;pointer-events:none}
.ac-chips input:checked+.ac-chip{background:#006AFF;border-color:#006AFF;color:#fff}
.ac-chips input:focus-visible+.ac-chip{box-shadow:0 0 0 3px rgba(0,106,255,.3)}
.ac-box{margin-top:30px;padding:22px;border-radius:20px;background:#f7f7f8}
.ac-box h3{margin:0 0 6px;font:700 17px var(--sans)}
.ac-box p{margin:0;color:#424245;font-size:13.5px;line-height:1.55}
.ac-switch{display:flex;align-items:center;gap:12px;margin-top:14px;font-weight:600;font-size:14px;cursor:pointer}
.ac-switch input{width:44px;height:26px;appearance:none;-webkit-appearance:none;background:#d6d9de;border-radius:99px;position:relative;cursor:pointer;transition:background .2s;flex:none}
.ac-switch input::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.ac-switch input:checked{background:#006AFF}
.ac-switch input:checked::after{transform:translateX(18px)}
.ac-ph-row{display:flex;align-items:center;gap:16px;margin-top:14px;flex-wrap:wrap}
.ac-danger{margin-top:40px;padding-top:24px;border-top:1px solid #eceef1;display:flex;gap:22px;flex-wrap:wrap}

/* the public page */
.ac-pub{display:flex;gap:clamp(20px,4vw,40px);align-items:center}
.ac-handle{color:#6e6e73;font-size:14px;margin:0}
.ac-bio{font-size:16px;line-height:1.6;color:#424245;margin:16px 0 0;max-width:560px}
.ac-pub .ac-chip{cursor:default}
.ac-sec{margin-top:clamp(40px,5vw,64px)}
.ac-sec h2{font:800 clamp(22px,2.6vw,28px)/1.2 var(--sans);margin:0 0 20px}
.ac-rvs{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.ac-rv{border:1px solid #eceef1;border-radius:20px;padding:22px}
.ac-rv .st{color:#006AFF;letter-spacing:2px}
.ac-rv h4{margin:10px 0 6px;font-size:16px}
.ac-rv p{margin:0 0 10px;font-size:14px;line-height:1.6;color:#424245}
.ac-rv small{color:#6e6e73;font-size:12.5px}
.ac-foot{margin-top:50px;color:#6e6e73;font-size:13px;text-align:center}

/* the person in the header (interface.js) */
.me-btn{display:inline-grid;place-items:center;width:44px;height:44px;margin-left:2px;border-radius:999px;color:var(--fg,#000);text-decoration:none;transition:background .25s}
.me-btn:hover{background:rgba(0,0,0,.05)}
.me-btn svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.me-btn .i{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#006AFF;color:#fff;font:700 12px var(--sans)}
@media(max-width:760px){
  .me-btn{position:absolute;right:auto;left:40px;top:50%;transform:translateY(-50%)}
  .ac-row{grid-template-columns:1fr}
  .ac-pub{flex-direction:column;text-align:center}
  .ac-pub .ac-chips{justify-content:center}
  .ac-top{gap:14px}
}
@media(prefers-reduced-motion:reduce){.ac-spin{animation-duration:3s}.ac-bar i,.ac-grid button,.ac-fw{transition:none}}
/* phones: one row of tabs (it scrolls if it must), and each book as a compact row */
.ac-tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.ac-tabs::-webkit-scrollbar{display:none}
.ac-tabs button{white-space:nowrap}
@media(max-width:560px){
  .ac-wrap{padding-left:18px;padding-right:18px}
  .ac-tabs button{padding:12px 11px;font-size:14px}
  .ac-books{grid-template-columns:1fr;gap:14px}
  .ac-book{display:grid;grid-template-columns:76px 1fr;gap:6px 16px;align-items:start;padding:16px}
  .ac-book img{grid-row:span 3;width:76px}
  .ac-book .ac-btn{margin-top:4px;justify-self:start}
  .ac-book .ac-link{justify-self:start}
  .ac-card{padding:24px 20px;border-radius:22px}
}

/* passkeys (25 Oct 2026) */
.ac-or{display:flex;align-items:center;gap:12px;margin:22px 0 4px;color:#6e6e73;font-size:13px}
.ac-or::before,.ac-or::after{content:"";flex:1;height:1px;background:#e6e8ec}
.ac-pk{margin-top:6px}
.ac-nudge{display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:-10px 0 28px;padding:18px 20px;
  border-radius:18px;background:#f0f6ff;color:#0b2a5c;font-size:14px;line-height:1.5}
.ac-nudge .row{display:flex;gap:14px;align-items:center}
.ac-pkl{list-style:none;margin:14px 0 0;padding:0}
.ac-pkl li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-top:1px solid #e6e8ec}
.ac-pkl b{display:block;font-size:14.5px}
.ac-pkl small{display:block;color:#6e6e73;font-size:12.5px}
.ac-form label.ac-tick{display:flex;gap:12px;align-items:flex-start;font-weight:400;font-size:13.5px;margin:16px 0 0}
.ac-form label.ac-tick[hidden]{display:none}
.ac-form input[type=date]{width:100%;font:16px var(--sans);padding:14px 16px;border:1px solid #dcdfe4;border-radius:14px;background:#fff;color:#000}
.ac-form input[type=file]{width:100%;font:14px var(--sans);padding:12px;border:1px dashed #c7cbd1;border-radius:14px;background:#fff;color:var(--body)}
.ac-form input[type=file]::file-selector-button{font:600 13px var(--sans);border:0;border-radius:999px;background:#000;color:#fff;padding:9px 16px;margin-right:12px;cursor:pointer}
/* 25 Oct 2026 — founder: "when typing it types dark … in the lower dark zone, almost impossible to see".
   motion.js nightfall (html.night-bg) darkens every input's background site-wide, while these forms force black
   text: black on near-black. Form fields here stay white with black text, in every mode. */
html.night-bg .ac-form input:not([type=checkbox]):not([type=radio]):not([type=file]),
html.night-bg .ac-form textarea,html.night-bg .ac-form select{background:#fff;color:#000;border-color:#dcdfe4}
.ac-form input,.ac-form textarea,.ac-form select{color:#000;caret-color:#006AFF}