:root{--bg1:#eef3ee;--bg2:#e7ecf3;--card:#fff;--ink:#37413c;--muted:#7d8a83;--accent:#6f9d84;--accent-dark:#5a8770;--line:#e3e9e4}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--ink);background:linear-gradient(160deg, var(--bg1), var(--bg2) 60%, #f1ede8);min-height:100vh;padding:calc(40px + var(--env-bar,0px)) 16px 80px;font-family:Segoe UI,system-ui,sans-serif}.wrap{max-width:760px;margin:0 auto}header{text-align:center;margin-bottom:32px}h1{letter-spacing:.04em;font-family:Georgia,Times New Roman,serif;font-size:2.4rem;font-weight:500}header p{color:var(--muted);margin-top:8px;font-size:1.02rem}.card{background:var(--card);border-radius:20px;margin-bottom:24px;padding:28px;box-shadow:0 10px 40px #50645a1a}label{color:var(--muted);margin-bottom:6px;font-size:.86rem;display:block}textarea{border:1px solid var(--line);width:100%;min-height:170px;font:inherit;color:var(--ink);resize:vertical;background:#fbfdfb;border-radius:14px;padding:14px 16px;font-size:1.02rem;line-height:1.7}textarea:focus,select:focus{outline:2px solid var(--accent);border-color:#0000}.grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px;margin-top:22px;display:grid}select,input[type=range]{width:100%}select{border:1px solid var(--line);font:inherit;color:var(--ink);background:#fbfdfb;border-radius:10px;padding:9px 10px}input[type=range]{accent-color:var(--accent);margin-top:10px}.range-value{color:var(--ink);float:right;font-size:.86rem}.actions{text-align:center;margin-top:26px}button.go{background:var(--accent);color:#fff;font:inherit;cursor:pointer;border:0;border-radius:999px;padding:14px 44px;font-size:1.08rem;transition:background .2s}button.go:hover{background:var(--accent-dark)}button.go:disabled{cursor:wait;background:#b9c9bf}.progress{margin-top:18px}.progress .bar{background:var(--line);border-radius:999px;height:6px;overflow:hidden}.progress .fill{background:var(--accent);border-radius:999px;height:100%;transition:width .4s}.progress .msg{color:var(--muted);text-align:center;margin-top:8px;font-size:.9rem}.error{color:#a05252;background:#faf0f0;border-radius:10px;margin-top:14px;padding:10px 14px;font-size:.92rem}.result h2,.history h2{margin-bottom:14px;font-family:Georgia,serif;font-size:1.25rem;font-weight:500}audio{width:100%;margin-top:4px}.result-meta{color:var(--muted);margin-top:10px;font-size:.9rem}.download{color:var(--accent-dark);border:1px solid var(--accent);border-radius:999px;margin-top:12px;padding:7px 20px;font-size:.95rem;text-decoration:none;display:inline-block}.download:hover{background:var(--accent);color:#fff}.history-item{border-top:1px solid var(--line);padding:14px 0}.history-item:first-of-type{border-top:0}.history-item .title{margin-bottom:4px;font-size:.98rem}.history-item .meta{color:var(--muted);margin-bottom:8px;font-size:.82rem}.history-empty{color:var(--muted);font-size:.92rem}.logout-link{top:calc(16px + var(--env-bar,0px));color:var(--muted);cursor:pointer;background:var(--card);border:0;border-radius:999px;padding:6px 14px;font-family:inherit;font-size:.82rem;position:fixed;right:16px;box-shadow:0 4px 14px #50645a1a}.logout-link:hover{color:var(--ink)}.login-screen{justify-content:center;align-items:center;min-height:calc(100vh - 120px);display:flex}.login-card{width:100%;max-width:360px;padding:32px}.login-card h1{text-align:center;margin-bottom:24px;font-size:1.6rem}.login-card button{background:var(--accent);color:#fff;width:100%;font:inherit;cursor:pointer;border:0;border-radius:999px;margin-top:18px;padding:12px 20px;font-size:1.02rem;transition:background .2s}.login-card button:hover{background:var(--accent-dark)}.login-card .error{text-align:center}body[data-app-env=dev],body[data-app-env=local]{--env-bar:34px}.env-bar{z-index:20;height:var(--env-bar,34px);color:#fff6ea;letter-spacing:.06em;text-transform:uppercase;background:repeating-linear-gradient(135deg,#b06d24 0 14px,#a4642a 14px 28px);justify-content:center;align-items:center;gap:10px;font-size:.76rem;display:flex;position:fixed;top:0;left:0;right:0;box-shadow:0 2px 12px #5a411947}.env-bar strong{letter-spacing:.16em}.env-bar span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.build-stamp{text-align:center;color:var(--muted);letter-spacing:.04em;margin-top:28px;font-size:.74rem}