:root{
  --bg:#F6F3EC;
  --ink:#1B2320;
  --ink-soft:#5B6560;
  --ink-faint:#8B948F;
  --card:#FFFFFF;
  --border:#E7E2D6;
  --primary:#0F6E56;
  --primary-tint:#E1F5EE;
  --primary-dark:#0A4B3B;
  --flame:#D9822B;
  --flame-tint:#FAECD9;
  --eternity:#6B54C8;
  --eternity-tint:#EDE9FA;
  --correct:#4E9350;
  --wrong:#D9482F;
  --miss:#E7E2D6;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow:0 1px 2px rgba(27,35,32,0.04), 0 8px 24px rgba(27,35,32,0.05);
}
*{box-sizing:border-box;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
}
.screen{max-width:460px;margin:0 auto;padding:20px 16px 48px;}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.logo{font-family:'Sora',sans-serif;font-weight:700;font-size:19px;letter-spacing:-0.02em;}
.logo span{color:var(--primary);}
.back-btn{
  width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--card);border:1px solid var(--border);
  color:var(--ink-soft);font-size:17px;text-decoration:none;
}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:16px 16px 18px;
  margin-bottom:14px;
}
.card-title{font-family:'Sora',sans-serif;font-size:14.5px;font-weight:600;margin:0;}
.btn{
  font-family:'Inter',sans-serif;font-weight:600;font-size:14px;
  border:none;border-radius:var(--radius-sm);padding:13px 16px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--ink);}
.btn-outline:hover{background:var(--card);}
.btn-ghost{background:transparent;color:var(--ink-soft);font-weight:500;}
.btn-share{background:#25D366;color:#fff;}
.field{margin-bottom:12px;}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--ink-soft);margin-bottom:6px;}
.field input{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);
  font-family:'Inter',sans-serif;font-size:14px;background:var(--card);color:var(--ink);
}
.field input:focus{outline:2px solid var(--primary);outline-offset:1px;border-color:var(--primary);}
.divider{display:flex;align-items:center;gap:10px;margin:18px 0;color:var(--ink-faint);font-size:12px;}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--border);}
.helper-text{font-size:12px;color:var(--ink-faint);text-align:center;margin-top:14px;}
.helper-text a{color:var(--primary);font-weight:600;text-decoration:none;}
@media (min-width:700px){.screen{max-width:840px;padding-top:32px;}}