/* tool-detail.css — shared by fancy.html / nickname.html / symbol.html (tool detail pages) */
:root{
  --bg:#ffffff; --bg2:#f5f5f5; --card:#ffffff;
  --txt:#111111; --mut:#666666; --line:#e6e6e6; --line2:#d8d8d8;
  --hg1:#7c5cff; --hg2:#ff5ca8;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:linear-gradient(180deg,#f5f5f5 0%, #ffffff 320px);
  background-attachment:fixed;
  color:var(--txt);
  font-family:"Inter","Tahoma","Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.5; -webkit-text-size-adjust:100%;
}
a{color:var(--hg1);text-decoration:none}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}
header{
  position:sticky;top:0;z-index:50;
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  backdrop-filter:blur(16px) saturate(160%);
  background:rgba(255,255,255,.66);
  border-bottom:1px solid rgba(17,17,17,.08);
  box-shadow:0 6px 24px rgba(17,17,17,.09);
}
.nav{display:flex;align-items:center;gap:14px;height:56px}
.brand{font-weight:800;font-size:19px;letter-spacing:.3px;white-space:nowrap;display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(90deg,var(--hg1),var(--hg2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.brand svg{width:22px;height:22px;flex:none}
.nav .spacer{flex:1}
.nav a.lnk{color:var(--mut);font-size:14px;font-weight:600}
.nav a.lnk:hover{color:var(--txt)}
.breadcrumb{font-size:13px;color:var(--mut);margin:18px 0 4px}
.breadcrumb a{color:var(--mut)}
.breadcrumb a:hover{color:var(--txt)}
h1{font-size:clamp(24px,5.5vw,32px);margin:6px 0 6px;line-height:1.18;display:inline-block;
  background:linear-gradient(95deg,var(--hg1),var(--hg2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.sub{color:var(--mut);font-size:14px;margin:0 0 18px;max-width:640px}
/* live result card */
.result{margin:18px 0;padding:22px 18px;border:1px solid var(--line);border-radius:18px;background:var(--card);
  box-shadow:0 6px 20px rgba(17,17,17,.05);text-align:center;word-break:break-word}
.result .big{font-size:clamp(26px,7vw,40px);line-height:1.3}
.sym-big{font-size:96px;text-align:center;line-height:1;margin:6px 0}
/* big copy button */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:14px 22px;border-radius:14px;font-weight:800;font-size:16px;cursor:pointer;border:0;color:#fff;
  background:linear-gradient(180deg,var(--hg1),#6a4cf0);
  box-shadow:0 10px 26px rgba(124,92,255,.32), inset 0 1px 0 rgba(255,255,255,.30)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:var(--card);color:var(--txt);border:1px solid var(--line2);box-shadow:0 6px 16px rgba(17,17,17,.10), inset 0 1px 0 rgba(255,255,255,.65)}
.copy-row{margin-top:14px;display:flex;justify-content:center}
/* Special symbols — full library on fancy detail page (tap to copy directly) */
.ft-hint{font-size:13px;color:var(--mut);margin:20px 0 8px}
.ft-syms{margin:8px 0 4px}
.ft-syms .grp{margin-bottom:12px}
.ft-syms .glabel{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--mut);font-weight:700;margin:4px 0 6px}
.ft-syms .grid{display:flex;flex-wrap:wrap;gap:6px}
.ft-syms .sp{width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:20px;
  background:var(--bg2);border:1px solid var(--line);border-radius:10px;cursor:pointer;user-select:none;
  box-shadow:0 3px 10px rgba(17,17,17,.07)}
.ft-syms .sp:active{transform:translateY(1px);border-color:var(--hg1)}
/* inputs + style chips */
input[type=text]{width:100%;background:var(--bg2);border:1px solid var(--line);color:var(--txt);
  border-radius:12px;padding:13px 14px;font-size:16px;font-family:inherit;outline:none}
input[type=text]:focus{border-color:var(--txt)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 4px}
.chip{padding:9px 13px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--mut);font-weight:700;font-size:13px;cursor:pointer;
  box-shadow:0 3px 10px rgba(17,17,17,.07)}
.chip.on{color:#fff;background:var(--txt);border-color:transparent}
.chip:hover{border-color:var(--hg1);color:var(--hg1)}
.chip.on:hover{color:#fff}
/* how-to */
.how{margin-top:26px;background:var(--bg2);border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.how h2{font-size:18px;margin:0 0 10px}
.how ol,.how ul{margin:0;padding-left:20px;color:var(--mut);font-size:14px}
.how li{margin:8px 0}
.how .tag{display:inline-block;font-weight:800;color:var(--txt)}
.note{color:var(--mut);font-size:13px;margin:14px 0 0}
.links{margin:18px 0 30px;display:flex;gap:10px;flex-wrap:wrap}
footer{border-top:1px solid var(--line);padding:24px 0 40px;color:var(--mut);font-size:13px}
.flinks{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:10px}
.flinks a{color:var(--mut)}
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);opacity:0;
  background:var(--txt);color:#fff;font-weight:800;padding:10px 18px;border-radius:12px;z-index:99;transition:.2s;pointer-events:none;font-size:14px}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}