:root{--ink:#10171f;--ink-soft:#24303c;--paper:#f5f3ee;--panel:#fff;--muted:#6c7880;--line:#d9ddd9;--cyan:#d9b56c;--cyan-deep:#256f9d;--shadow:0 24px 70px #00101f35}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% 15%,#164a6e 0,transparent 35%),var(--ink);color:var(--paper);font-family:Manrope,Arial,sans-serif;min-height:100vh}.app-shell{max-width:1180px;margin:auto;padding:28px 30px 42px}header{display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:13px;color:var(--paper);text-decoration:none}.brand img{width:58px;height:58px;border-radius:50%;object-fit:cover;border:2px solid #d9b56c}.brand-copy{display:grid;gap:1px}.brand-copy strong{font-size:19px;letter-spacing:-.04em}.brand-copy small{font:10px 'DM Mono',monospace;color:#d9b56c;letter-spacing:.08em;text-transform:uppercase}.icon-button{border:1px solid #ffffff2b;background:#ffffff0d;color:white;border-radius:50%;width:40px;height:40px;font-size:20px;cursor:pointer}.intro{margin:54px 0 34px;max-width:720px;display:flex;align-items:center;gap:34px}.crest-watermark{width:190px;height:190px;border-radius:50%;object-fit:cover;box-shadow:0 18px 50px #0006;border:3px solid #d9b56c}.eyeline{color:var(--cyan);font-family:'DM Mono',monospace;font-size:12px;letter-spacing:.16em;margin:0 0 15px}.intro h1{font-size:clamp(48px,7vw,82px);line-height:.98;letter-spacing:-.075em;margin:0}.intro h1 em{font-style:normal;color:#52b4df}.intro>div>p:last-child{font-size:18px;color:#b9c7cd;line-height:1.55;margin:21px 0 0}.studio{background:var(--paper);color:var(--ink);border-radius:28px;padding:28px;box-shadow:var(--shadow);border-top:4px solid #d9b56c}.listen-zone{display:flex;align-items:center;gap:15px;padding:4px 0 28px;border-bottom:1px solid var(--line)}.signal-dot{width:10px;height:10px;border-radius:50%;background:#b2bcb8;box-shadow:0 0 0 0 #52b4df00}.listening .signal-dot{background:#52b4df;animation:pulse 1.4s infinite}.listen-zone p{font-size:14px;color:var(--muted);margin:0 auto 0 0}.listen-button{background:var(--ink);color:white;border:0;border-radius:13px;padding:13px 19px;font:700 14px Manrope;cursor:pointer;display:flex;gap:10px;align-items:center}.listen-button:hover{background:#26394a}.mic{color:#d9b56c;font-size:17px}.text-button,.small-button{font:700 12px Manrope;background:transparent;border:0;color:var(--cyan-deep);cursor:pointer}.text-button:disabled{opacity:.35;cursor:not-allowed}.display-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:26px 0}.output-card{min-height:196px;border:1px solid var(--line);border-radius:18px;padding:20px;background:var(--panel)}.morse-card{background:#e8f5fa;border-color:#c4e0ec}.card-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.card-head h2{font-size:13px;letter-spacing:-.01em;margin:0}.card-head span{font:12px 'DM Mono';color:var(--muted)}.output-actions{display:flex;align-items:center}.small-button{margin-left:10px}.play-button{display:inline-flex;align-items:center;gap:7px;border:0;border-radius:9px;background:var(--cyan-deep);color:#fff;padding:8px 11px;font:700 11px Manrope;cursor:pointer}.play-button span{font-size:9px;color:inherit}.play-button:hover{background:#18577f}.play-button:disabled{opacity:.4;cursor:not-allowed}.transcript,.morse{white-space:pre-wrap;margin:28px 0 0;line-height:1.65}.transcript{display:block;width:100%;min-height:126px;padding:0;border:0;outline:0;resize:vertical;background:transparent;color:inherit;font:600 18px/1.65 Manrope,Arial,sans-serif;letter-spacing:-.02em}.transcript::placeholder{color:#98a3a2;font-weight:400}.transcript:focus{box-shadow:0 2px 0 var(--cyan-deep)}.morse{font-family:'DM Mono',monospace;font-size:18px;letter-spacing:.08em;line-height:1.9}.empty{color:#98a3a2;font-weight:400}.controls{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);padding-top:23px;gap:25px}.controls label{font-size:12px;font-weight:800;display:grid;gap:9px}.controls output{font:12px 'DM Mono';font-weight:400;color:var(--cyan-deep)}input[type=range]{accent-color:var(--cyan-deep);width:100%}.switch-row{grid-template-columns:auto 38px;align-items:center}.switch-row input{display:none}.switch{width:38px;height:22px;border-radius:100px;background:#9eadab;position:relative}.switch:after{content:'';position:absolute;width:16px;height:16px;left:3px;top:3px;border-radius:50%;background:white;transition:.2s}.switch-row input:checked+.switch{background:var(--cyan-deep)}.switch-row input:checked+.switch:after{left:19px}.browser-note{text-align:center;color:#91a0a9;font-size:12px;margin:24px 0 0}@keyframes pulse{50%{box-shadow:0 0 0 8px #52b4df00}0%,100%{box-shadow:0 0 0 0 #52b4df66}}body.light{--ink:#e5edf1;--ink-soft:#dbeaea;--paper:#111d27;--panel:#182936;--muted:#9fb1b5;--line:#31505b;color:#edf4f6;background:radial-gradient(circle at 80% 15%,#d9b56c 0,transparent 34%),#d7e4e9}body.light .brand,body.light .icon-button{color:#102837}body.light .intro>div>p:last-child{color:#365361}body.light .studio{color:#edf4f6}.light .output-card{background:#182936}.light .morse-card{background:#183a4b;border-color:#2a6178}.light .listen-button{background:#eaf5f4;color:#0d2130}@media(max-width:720px){.app-shell{padding:22px 16px 34px}.intro{margin:42px 0 28px;gap:18px;align-items:flex-start}.crest-watermark{width:96px;height:96px}.studio{padding:18px;border-radius:21px}.listen-zone{flex-wrap:wrap}.listen-zone p{width:100%;order:-1}.display-grid{grid-template-columns:1fr;gap:12px}.output-card{min-height:155px}.controls{grid-template-columns:1fr 1fr;gap:20px}.switch-row{grid-template-columns:auto 38px}.listen-button{flex:1;justify-content:center}}@media(max-width:470px){.brand img{width:48px;height:48px}.intro{display:block}.crest-watermark{float:right;margin:0 0 14px 18px}.intro h1{font-size:52px}.card-head{align-items:flex-start}.output-actions{flex-wrap:wrap;justify-content:flex-end;gap:6px}.small-button{margin-left:4px}}