:root{--ink:#172033;--muted:#5e6878;--line:#dfe5eb;--teal:#1f5b5f;--gold:#c99d49;--cream:#fbfaf6;--white:#fff;--danger:#b42318}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(120deg,#fbfaf6,#eef7f4);color:var(--ink);min-height:100vh;display:grid;place-items:center;padding:22px}
.shell{width:min(1040px,100%);display:grid;grid-template-columns:1.05fr .95fr;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 24px 70px rgba(16,24,39,.12)}
.hero-panel{min-height:620px;background:linear-gradient(180deg,rgba(16,26,38,.74),rgba(16,26,38,.9)),url('/img/recepcao.jpg?v=202606121421') center/cover;color:#fff;padding:34px;display:flex;flex-direction:column;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font-weight:900}
.mark{width:38px;height:38px;border-radius:8px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:900}
.hero-panel h1{font-size:42px;line-height:1.04;margin:auto 0 14px;max-width:560px}
.hero-panel p{font-size:18px;color:rgba(255,255,255,.86);max-width:560px}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.mini-grid div{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);border-radius:8px;padding:13px}
.mini-grid strong,.mini-grid span{display:block}.mini-grid span{font-size:13px;color:rgba(255,255,255,.76)}
.access-panel{padding:30px;display:flex;flex-direction:column;justify-content:center}
.tabs{display:grid;grid-template-columns:1fr 1fr;background:#f4f7f7;border:1px solid var(--line);border-radius:8px;padding:4px;margin-bottom:18px}
.tab{border:0;border-radius:6px;background:transparent;min-height:40px;font-weight:900;color:var(--muted);cursor:pointer}
.tab.active{background:#fff;color:var(--teal);box-shadow:0 1px 7px rgba(16,24,39,.08)}
.box{display:grid;gap:12px}.box[hidden]{display:none}.box h2{margin:0;font-size:28px}.muted{color:var(--muted);margin:0}
label{display:grid;gap:6px;font-weight:900;font-size:13px}
input{min-height:46px;border:1px solid var(--line);border-radius:6px;padding:10px 12px;font:inherit;background:#fff}
.btn{width:100%;min-height:46px;border:0;border-radius:6px;background:var(--teal);color:#fff;font-weight:900;cursor:pointer}
.btn:disabled{opacity:.7;cursor:not-allowed}
.link-btn{border:0;background:transparent;color:var(--teal);font-weight:900;cursor:pointer;min-height:36px}
.error{color:var(--danger);font-weight:800;min-height:20px;margin:0}
.channel-list{display:grid;gap:10px}
.channel{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:13px;cursor:pointer}
.channel input{min-height:auto}.channel strong{display:block}.channel span{color:var(--muted);font-size:13px}
@media(max-width:860px){body{padding:0}.shell{grid-template-columns:1fr;min-height:100vh;border-radius:0}.hero-panel{min-height:auto;padding:24px}.hero-panel h1{font-size:32px;margin:38px 0 12px}.mini-grid{grid-template-columns:1fr}.access-panel{padding:24px}}