/* Neva Friends — concept-D 2026, mobile-first, premium dark */
:root{
  --ink:#0b0b10; --ink2:#13131c; --card:rgba(255,255,255,.045); --line:rgba(255,255,255,.09);
  --cream:#f4f0e7; --muted:#9a96a6;
  --fire:#ff5a1f; --pulse:#ff2d8f; --sky:#3da9fc;
  --grad:linear-gradient(120deg,var(--fire),var(--pulse));
  --r:20px; --shadow:0 20px 60px -20px rgba(0,0,0,.7);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:Inter,system-ui,-apple-system,sans-serif;
  background:var(--ink); color:var(--cream); min-height:100dvh; line-height:1.5;
  background-image:
    radial-gradient(900px 500px at 80% -10%, rgba(255,45,143,.16), transparent 60%),
    radial-gradient(800px 500px at -10% 10%, rgba(255,90,31,.14), transparent 55%),
    linear-gradient(180deg,#0b0b10,#0e0e15);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:520px;margin:0 auto;padding:24px 18px 110px;min-height:100dvh}

/* типографика */
.display{font-family:"Russo One",sans-serif;letter-spacing:.5px;line-height:1.05}
h1.display{font-size:clamp(28px,8vw,40px);margin:.2em 0}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace}
.muted{color:var(--muted)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* бренд */
.brand{display:inline-flex;align-items:center;gap:11px;margin-bottom:22px}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--grad);box-shadow:0 8px 26px -8px var(--pulse);flex:0 0 auto;display:flex;align-items:center;justify-content:center}
.logo-dot{width:9px;height:9px;border-radius:50%;background:#fff}
.logo-text{font-family:"Russo One",sans-serif;font-size:21px;letter-spacing:.3px;color:var(--cream)}

/* цитата на входе — pull-quote */
.quote{position:relative;margin:26px 0 10px;padding:30px 22px 20px;background:linear-gradient(160deg,rgba(255,90,31,.07),rgba(255,45,143,.06));border:1px solid var(--line);border-radius:18px;overflow:hidden}
.quote::before{content:"\201C";position:absolute;top:2px;left:14px;font-family:Georgia,"Times New Roman",serif;font-size:92px;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.45;pointer-events:none}
.quote blockquote{margin:0;position:relative;font-size:17px;line-height:1.55;font-style:italic;color:#ece7f2}
.quote figcaption{margin-top:14px;text-align:right;font-size:13px;font-style:normal;color:var(--muted);letter-spacing:.3px}
.quote figcaption::before{content:"— "}

/* карточки */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow);
  margin-bottom:16px;
}
.card.glow{position:relative;overflow:hidden}
.card.glow::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.5;pointer-events:none}

/* кнопки */
.btn{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  padding:16px;border-radius:15px;border:0;font-size:16px;font-weight:600;cursor:pointer;
  background:var(--grad);color:#fff;box-shadow:0 12px 30px -10px var(--pulse);transition:transform .12s,filter .2s;
}
.btn:active{transform:scale(.98)}
.btn.ghost{background:rgba(255,255,255,.06);color:var(--cream);border:1px solid var(--line);box-shadow:none}
.btn.sm{padding:11px 14px;font-size:14px;width:auto;border-radius:12px}

/* поля */
label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}
input{
  width:100%;padding:15px;border-radius:13px;border:1px solid var(--line);
  background:rgba(0,0,0,.25);color:var(--cream);font-size:16px;outline:none;transition:border .2s,background .2s;
}
input:focus{border-color:var(--pulse);background:rgba(0,0,0,.35)}
.err{background:rgba(255,45,143,.12);border:1px solid rgba(255,45,143,.35);color:#ffb3d4;padding:12px 14px;border-radius:12px;font-size:14px;margin:14px 0}

/* sub-блок */
.sub-box{display:flex;gap:8px;align-items:center;background:rgba(0,0,0,.3);border:1px solid var(--line);border-radius:13px;padding:12px 14px}
.sub-box .link{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;color:var(--sky)}
.qr{display:flex;justify-content:center;padding:18px;background:#fff;border-radius:16px;margin:14px 0}
.qr canvas,.qr img{width:200px;height:200px}

/* статы */
.stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:6px}
.stat{background:rgba(0,0,0,.25);border:1px solid var(--line);border-radius:14px;padding:14px}
.stat .v{font-family:"Russo One",sans-serif;font-size:22px}
.stat .k{color:var(--muted);font-size:12px;margin-top:2px}
.bar{height:8px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:10px}
.bar i{display:block;height:100%;background:var(--grad);border-radius:99px}

/* шаги-инструкции */
.step{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:0}
.step .n{flex:0 0 auto;width:30px;height:30px;border-radius:10px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.step .t b{display:block;margin-bottom:2px}
.step .t{font-size:14px;color:var(--muted)}
.step .t b{color:var(--cream);font-size:15px}

.pill{display:inline-block;padding:4px 10px;border-radius:99px;background:rgba(61,169,252,.14);color:var(--sky);font-size:12px;border:1px solid rgba(61,169,252,.3)}
.row{display:flex;gap:10px;align-items:center;justify-content:space-between}

/* нижняя навигация (mobile-first) */
.nav{
  position:fixed;left:50%;transform:translateX(-50%);bottom:14px;width:min(520px,calc(100% - 28px));
  display:flex;gap:6px;padding:8px;border-radius:20px;
  background:rgba(18,18,28,.8);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);box-shadow:var(--shadow);z-index:50;
}
.nav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 4px;border-radius:14px;font-size:11px;color:var(--muted);transition:.2s}
.nav a.active{color:var(--cream);background:rgba(255,255,255,.06)}
.nav a.active .ic{filter:drop-shadow(0 4px 12px var(--pulse))}
.nav .ic{font-size:20px;line-height:1}
.nav a.active .ic{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%) translateY(20px);opacity:0;background:var(--grad);color:#fff;padding:12px 20px;border-radius:14px;font-weight:600;font-size:14px;transition:.25s;z-index:60;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.center{text-align:center}
.mt{margin-top:18px}

/* админ: управление юзерами */
.user{border-top:1px solid var(--line)}
.user summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:8px;padding:14px 0;font-size:15px}
.user summary::-webkit-details-marker{display:none}
.user[open] .chev{transform:rotate(180deg)}
.chev{margin-left:auto;color:var(--muted);transition:transform .2s;font-size:18px}
.dotc{width:8px;height:8px;border-radius:50%;flex:0 0 auto}
.dotc.on{background:#43d17a;box-shadow:0 0 8px #43d17a}
.dotc.off{background:#ff5a6a}
.chk{display:flex;align-items:center;gap:10px;color:var(--cream);font-size:14px;margin:13px 0 0}
.chk input{width:18px;height:18px;margin:0;accent-color:var(--pulse)}