:root{--bg:#eff8ff;--paper:#ffffff;--ink:#143247;--muted:#60798d;--blue:#0284c7;--blue2:#38bdf8;--pink:#f9a8d4;--line:#c7e8f8;--danger:#dc2626;--shadow:0 18px 48px rgba(14,116,144,.13);--radius:24px}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 15% 0%,rgba(125,211,252,.5),transparent 30%),radial-gradient(circle at 88% 10%,rgba(249,168,212,.55),transparent 28%),linear-gradient(180deg,#eff8ff,#fff8dc);color:var(--ink);line-height:1.55;min-height:100vh}.topbar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:12px max(16px,calc((100vw - 980px)/2));background:rgba(255,255,255,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.brand{font-weight:950;color:#075985;text-decoration:none;font-size:1.2rem}.topbar nav{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.topbar a{color:#075985;font-weight:800}.hello{color:var(--muted);font-size:.95rem}.linkbtn{border:0;background:transparent;color:#075985;font-weight:900;cursor:pointer}.page{width:min(980px,calc(100% - 28px));margin:0 auto;padding:26px 0 48px}.hero,.login-card{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:center;margin:20px 0}.hero>div,.login-card{border:1px solid var(--line);border-radius:32px;background:rgba(255,255,255,.88);box-shadow:var(--shadow);padding:28px}.login-card{grid-template-columns:1fr 1fr}.eyebrow{display:inline-flex;padding:7px 12px;border-radius:999px;background:#e0f6ff;color:#075985;font-weight:950}h1{font-size:clamp(2rem,5vw,4rem);line-height:1;margin:.35em 0 .2em;letter-spacing:-.045em}h2{margin:0 0 14px;font-size:1.45rem}.card{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 12px 32px rgba(14,116,144,.09)}.composer{margin:18px 0 26px}.login-form,form{margin:0}label{display:grid;gap:7px;font-weight:850;color:#31566d;margin-bottom:14px}input,textarea{width:100%;border:1px solid var(--line);border-radius:16px;padding:12px 13px;background:white;color:var(--ink);font:inherit}textarea{resize:vertical}.primary,button{border:0;border-radius:999px;background:#075985;color:white;font-weight:950;padding:11px 16px;cursor:pointer;box-shadow:0 10px 20px rgba(2,132,199,.16)}button:hover,.primary:hover{filter:brightness(1.06)}.error{border:1px solid #fecaca;background:#fee2e2;color:#991b1b;border-radius:16px;padding:10px 12px;margin-bottom:14px;font-weight:800}.messages{display:grid;gap:14px}.messages>h2{margin-top:12px}.message{display:grid;gap:12px}.message-head{display:flex;justify-content:space-between;gap:12px;color:#075985}.message-head time{color:var(--muted);font-size:.92rem}.body-text{white-space:pre-wrap;margin:0;font-size:1.05rem}.upload{width:min(100%,680px);max-height:520px;object-fit:contain;border-radius:20px;border:1px solid var(--line);background:#e0f6ff;display:block}.reactions{display:flex;gap:8px;flex-wrap:wrap}.reactions form{display:inline}.react{background:#f0f9ff;color:#075985;border:1px solid #bae6fd;box-shadow:none;padding:8px 11px}.react.mine{background:#fce7f3;border-color:#f9a8d4;color:#9d174d}.danger{background:var(--danger);box-shadow:0 10px 20px rgba(220,38,38,.13)}.admin-delete{margin-top:4px}.empty{text-align:center;color:var(--muted);font-weight:800}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}.stat{display:grid;gap:3px;text-align:center}.stat b{font-size:2rem;color:#075985}.stat span{color:var(--muted);font-weight:800}.user-list,.admin-messages{display:grid;gap:10px}.user-row{display:grid;grid-template-columns:1fr 1.2fr auto;gap:10px;align-items:center;border:1px solid var(--line);border-radius:18px;padding:12px}.user-row span{display:block;color:var(--muted);font-size:.9rem}.admin-message{border:1px solid var(--line);border-radius:18px;padding:14px;background:#fff}.admin-message p{white-space:pre-wrap}.admin-message.deleted{opacity:.65;background:#f8fafc}.deleted-note{display:inline-flex;padding:4px 9px;border-radius:999px;background:#fee2e2;color:#991b1b;font-weight:900}.footer{text-align:center;color:#60798d;padding:0 16px 28px;font-size:.9rem}@media(max-width:760px){.hero,.login-card{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.stats{grid-template-columns:1fr}.user-row{grid-template-columns:1fr}.page{width:min(100% - 18px,980px);padding-top:12px}.hero>div,.login-card,.card{border-radius:20px;padding:16px}h1{font-size:2.35rem}}