:root{--switch:#0d1b2a;--switch-2:#14273b;--copper:#f2a541;--copper-2:#c97d10;--paper:#f7f4ee;--ink:#1b232c;--muted:#5d6a76;--wire:#e2ddd2;--alert:#b3261e}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.72 "IBM Plex Sans","Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--copper-2);text-underline-offset:3px}a:hover{color:var(--alert)}
.dialframe{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.handset-rail{background:var(--switch);color:#cdd6df;padding:28px 22px;position:sticky;top:0;align-self:start;height:100vh}
.rail-logo{display:block;text-decoration:none;color:#fff;font:700 22px/1.1 "IBM Plex Mono",Menlo,monospace;letter-spacing:.02em}
.rail-logo i{font-style:normal;color:var(--copper)}
.rail-sub{font-size:13px;color:#8fa0b0;margin:8px 0 26px}
.keypad-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.keypad-nav a{display:block;text-align:center;text-decoration:none;color:#e8edf2;background:var(--switch-2);border:1px solid #23405c;border-radius:12px;padding:10px 6px;font:500 13.5px/1.3 "IBM Plex Mono",Menlo,monospace}
.keypad-nav a:hover{border-color:var(--copper);color:var(--copper)}
.line-body{display:flex;flex-direction:column;min-width:0}
.line-main{flex:1;padding:44px clamp(18px,5vw,64px) 70px;max-width:900px}
.ringtone-hero{border-left:6px solid var(--copper);padding:6px 0 6px 22px;margin-bottom:34px}
.ringtone-hero h1{font:700 clamp(30px,5vw,50px)/1.08 "IBM Plex Sans","Segoe UI",Arial,sans-serif;margin:0 0 12px;color:var(--switch)}
.ringtone-hero p{margin:0;color:var(--muted);font-size:18px;max-width:40em}
.calllog{list-style:none;margin:0;padding:0;border-top:1px solid var(--wire)}
.calllog-row{border-bottom:1px solid var(--wire)}
.calllog-row a{display:grid;grid-template-columns:110px 1fr;gap:4px 22px;padding:20px 4px;text-decoration:none;color:var(--ink)}
.calllog-row a:hover{background:#fff}
.calllog-ext{font:600 12.5px/1.6 "IBM Plex Mono",Menlo,monospace;color:var(--copper-2);text-transform:uppercase;letter-spacing:.08em;grid-row:span 2;padding-top:4px}
.calllog-row strong{font-size:20px;line-height:1.3;color:var(--switch)}
.calllog-row span.call-gist{color:var(--muted);font-size:15.5px;line-height:1.55}
.wiretap-note{max-width:720px}
.wiretap-note-top{margin-bottom:26px}
.dtmf-tag{display:inline-block;font:600 12px/1 "IBM Plex Mono",Menlo,monospace;background:var(--switch);color:var(--copper);padding:6px 10px;border-radius:6px;letter-spacing:.08em;text-transform:uppercase}
.wiretap-note h1{font:700 clamp(27px,4.4vw,40px)/1.15 "IBM Plex Sans","Segoe UI",Arial,sans-serif;color:var(--switch);margin:14px 0 12px}
.wiretap-note-lede{font-size:19px;color:var(--muted);margin:0}
.wiretap-note h2{font-size:22px;line-height:1.3;color:var(--switch);margin:34px 0 8px;padding-top:16px;border-top:2px dotted var(--wire)}
.wiretap-note ul,.wiretap-note ol{padding-left:1.4em}.wiretap-note li{margin:6px 0}
.carrier-warn{background:#fff6e8;border:1px solid #f0d3a2;border-radius:10px;padding:14px 18px;font-size:15.5px}
.busy-tone{background:#fbecea;border-left:4px solid var(--alert);padding:12px 16px;font-size:15px}
.wiretap-note-meta{margin-top:40px;font:13px/1.5 "IBM Plex Mono",Menlo,monospace;color:var(--muted)}
.hangup-foot{background:#ece7dc;color:var(--muted);font-size:13.5px;padding:20px clamp(18px,5vw,64px);display:flex;flex-wrap:wrap;gap:6px 24px;justify-content:space-between}
.hangup-foot a{color:var(--switch)}
@media(max-width:680px){
.dialframe{grid-template-columns:1fr}
.handset-rail{position:static;height:auto;padding:18px 16px}
.rail-sub{margin-bottom:14px}
.keypad-nav{grid-template-columns:repeat(3,1fr)}
.line-main{padding:28px 16px 50px}
.calllog-row a{grid-template-columns:1fr}
.calllog-ext{grid-row:auto}
}