:root{--red:#e30613;--red-dark:#a8000b;--blue:#0c253b;--blue-2:#173e59;--ink:#132232;--paper:#f3f6f8;--line:#d7e0e7;--muted:#667785;--green:#16844b;--amber:#f4a300}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px Arial,Helvetica,sans-serif}main{max-width:920px;margin:auto;padding:30px 20px 60px}.brandbar{min-height:88px;background:var(--blue);color:#fff;display:flex;align-items:center;gap:16px;padding:10px max(20px,calc((100vw - 920px)/2));border-bottom:5px solid var(--red)}.brandbar img{height:64px;width:112px;object-fit:contain;background:#fff;border-radius:4px;padding:3px}.brandbar b{display:block;font-size:14px;letter-spacing:.12em}.brandbar span{display:block;font-size:22px;font-weight:800;letter-spacing:.03em}.center{min-height:calc(100vh - 88px);display:flex;flex-direction:column;justify-content:center;gap:14px}.center h1{font-size:42px;margin:0;color:var(--blue)}.center p{color:var(--muted);margin:0 0 18px}.card,.panel{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 4px 14px #0d24301a}.card{color:inherit;text-decoration:none;padding:20px;border-left:6px solid var(--red)}.card:hover{border-color:var(--red);transform:translateY(-1px)}.card b,.card span{display:block}.card b{color:var(--blue);font-size:20px}.card span{color:var(--muted);font-size:14px;margin-top:5px}h1{color:var(--blue);margin:0}h2{font-size:18px;margin:0 0 13px;color:var(--blue)}input,textarea,select,button{font:inherit;border-radius:7px;padding:11px;border:1px solid #bbc9d4}input,textarea,select{width:100%;background:#fff;color:var(--ink)}textarea{min-height:88px;resize:vertical}button{border:0;color:#fff;background:var(--red);font-weight:800;cursor:pointer;box-shadow:inset 0 -2px #98000a}button:hover{background:#c90410}.info{background:var(--blue-2);box-shadow:inset 0 -2px #0c253b}.row{display:flex;gap:10px;align-items:center}.row>*{flex:1}.row h1{flex:3}.row a{color:var(--blue);font-weight:700;text-align:right}.panel{padding:20px;margin:24px 0}.preset{margin:10px 0;padding:14px;border:1px solid var(--line);border-radius:10px;background:#fff}.muted{color:var(--muted);font-size:14px}.history{padding-left:20px;color:var(--muted)}.receiver-panel{border-left:6px solid var(--green)}.receiver-panel h2{margin:0}.receiver-list{display:flex;flex-wrap:wrap;gap:8px}.receiver{background:#e5f5eb;border:1px solid #a8dbb9;border-radius:999px;color:#126b3b;padding:7px 11px;font-weight:700}.receiver span{color:var(--green);margin-right:6px}.stage{min-height:100vh;max-width:none;padding:36px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:radial-gradient(circle at top,#234a63 0,#0c253b 45%,#071723 100%);color:#fff}.stage .status{color:#a8f2c7;font-weight:800;letter-spacing:.08em;font-size:14px}.stage .event{max-width:960px}.event h1{font-size:clamp(38px,8vw,88px);line-height:1.05;margin:20px 0;color:#fff}.event p{font-size:clamp(21px,3vw,38px);line-height:1.4}.event.info h1{color:#77baff}.event.alarm h1{color:#ff5b62}.alarm-timer{font-size:clamp(22px,3vw,34px);font-weight:800;color:#d7e6ef;margin-top:28px}.settings{max-width:560px!important;text-align:left;color:var(--ink);margin-top:32px}.monitor-start{margin-top:24px}.monitor-start button{font-size:20px;padding:18px 28px}.brand-mark{width:180px;max-height:120px;object-fit:contain;background:#fff;border-radius:6px;padding:5px;margin-top:24px;opacity:.95}.monitor-mode .settings{display:none}.monitor-mode .brand-mark{position:fixed;right:20px;bottom:18px;width:120px;opacity:.7}.monitor-mode .event{margin-bottom:50px}@media(max-width:600px){main{padding:20px 14px}.brandbar{padding:10px 14px}.brandbar span{font-size:18px}.brandbar img{height:54px;width:94px}.row{flex-direction:column;align-items:stretch}.row a{text-align:left}.stage{padding:24px 16px}.event h1{font-size:44px}}