:root{--background:#fafafa;--foreground:#2b2d31;--muted:#74777f;--line:#e2e4e8;--panel:#fff;--panel-soft:#f6f7f9;--primary:#168bd4;--primary-dark:#0c6fa9;--accent:#f04b2f;--mint:#20a84a;--sun:#f3aa16;--lavender:#6f39a8;--ci-red:#e5252c;--ci-orange:#f36a24;--ci-yellow:#f4b51d;--ci-purple:#6f39a8;--ci-green:#20a84a;--ci-blue:#168bd4;--success:#18814b;--warning:#a76505;--danger:#b42318;--radius:8px;--shadow:0 18px 42px #2a2d3114}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{color:var(--foreground);background:linear-gradient(#fff 0%,#fbfbfb 46%,#f5f6f7 100%);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans Thai,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}.page-shell{width:min(1180px,100% - 32px);margin:0 auto;padding:28px 0 56px}.topbar{justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:24px;display:flex}.brand-lockup{align-items:center;gap:16px;min-width:0;display:flex}.brand-header-copy{min-width:0}.brand-mark{border-radius:var(--radius);width:42px;height:42px;color:var(--primary);background:#fff;border:1px solid #168bd42e;place-items:center;font-weight:800;display:grid;box-shadow:0 10px 24px #2a2d3114}.athena-brand{flex-direction:column;align-items:flex-start;gap:4px;max-width:100%;display:inline-flex}.athena-brand-logo{width:min(320px,100%);height:auto;display:block}.athena-brand-compact .athena-brand-logo{width:228px}.athena-brand-tagline{color:var(--muted);font-size:13px;line-height:1.45}.eyebrow{color:var(--muted);margin:0 0 3px;font-size:13px;line-height:1.4}.topbar h1,.page-title{color:#172033;margin:0;font-size:40px;line-height:1.08}.page-title{max-width:780px}.page-lead{max-width:720px;color:var(--muted);margin:12px 0 0;font-size:17px;line-height:1.7}.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow)}.panel-pad{padding:22px}.grid{gap:18px;display:grid}.grid-two{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}.grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}.stat-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;min-height:118px;padding:18px;box-shadow:0 12px 28px #2a2d310f}.stat-label{color:var(--muted);margin:0;font-size:13px}.stat-value{color:#172033;margin:8px 0 0;font-size:34px;font-weight:800;line-height:1}.section-title{color:#172033;margin:0 0 14px;font-size:20px;line-height:1.25}.form-stack{gap:14px;display:grid}.field{gap:7px;display:grid}.field span{color:#344054;font-size:14px;font-weight:650}.input,.textarea{border-radius:var(--radius);width:100%;color:var(--foreground);background:#fff;border:1px solid #cbddea;outline:none;padding:12px 13px;transition:border-color .16s,box-shadow .16s,background-color .16s}.textarea{resize:vertical;min-height:88px}.input:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px #168bd424}.button-row{flex-wrap:wrap;gap:10px;display:flex}.btn{border-radius:var(--radius);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;min-height:42px;padding:0 14px;font-size:14px;font-weight:750;line-height:1;transition:background-color .16s,border-color .16s,color .16s,transform .16s,box-shadow .16s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg, var(--ci-blue), var(--ci-green));color:#fff;box-shadow:0 10px 22px #168bd433}.btn-primary:hover{background:linear-gradient(135deg, var(--primary-dark), #167d3b)}.btn-secondary{border-color:var(--line);color:#263247;background:#fff}.btn-secondary:hover{background:#f8fcff;border-color:#c9d9e8}.btn-dark{color:#fff;background:#34363a;box-shadow:0 10px 22px #17203329}.btn-dark:hover{background:#222428}.btn-ghost{color:#344054;background:0 0}.btn:disabled,.btn[aria-disabled=true]{color:#98a2b3;box-shadow:none;background:#edf2f7;border-color:#d8e1ea;transform:none}.room-list{gap:12px;display:grid}.room-row{border:1px solid var(--line);border-radius:var(--radius);background:#fff;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px;padding:16px;display:grid}.room-title{flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 6px;font-size:17px;line-height:1.3;display:flex}.room-meta{color:var(--muted);margin:0;font-size:13px;line-height:1.55}.badge{border-radius:999px;align-items:center;min-height:24px;padding:0 9px;font-size:12px;font-weight:750;display:inline-flex}.badge-open{color:#18814b;background:#e3f7e8}.badge-draft{color:#526071;background:#eef3f7}.badge-closed{color:#9a6503;background:#fff2d4}.badge-archived{color:#aa3223;background:#ffe7e4}.muted{color:var(--muted)}.empty-state{border-radius:var(--radius);min-height:220px;color:var(--muted);text-align:center;background:#fff;border:1px dashed #bfd1df;place-items:center;display:grid}.join-shell{background:linear-gradient(#fff 0%,#fbfbfb 48%,#f5f6f7 100%);place-items:center;min-height:100svh;padding:20px;display:grid}.login-logo-stage{place-items:center;gap:30px;width:min(72vw,440px);display:grid}.login-logo-image{width:100%;height:auto}.landing-cta-button{color:#fff;cursor:pointer;background:#0f172a;border:0;border-radius:8px;min-height:46px;padding:0 34px;font-size:15px;font-weight:800;line-height:1.2;transition:background-color .16s,box-shadow .16s,transform .16s;box-shadow:0 12px 30px 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0;display:grid}.mini-room-row:last-child{border-bottom:0;padding-bottom:0}.mini-room-row h3{color:#172033;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 5px;font-size:16px;line-height:1.35;display:flex}.mini-room-actions .btn{min-height:36px}.user-empty-state{min-height:90px;margin-top:14px}@media (max-width:820px){.page-shell{width:min(100% - 24px,720px);padding-top:20px}.topbar,.room-row{flex-direction:column;grid-template-columns:1fr;align-items:stretch}.brand-lockup{flex-direction:column;align-items:flex-start}.topbar h1,.page-title{font-size:32px}.grid-two,.grid-three{grid-template-columns:1fr}.button-row{width:100%}.btn{flex:auto}.athena-brand-compact .athena-brand-logo{width:196px}.join-card{padding:18px}.live-brand{top:12px;left:12px}.live-brand .athena-brand-logo{width:166px}.live-controls{flex-wrap:wrap;justify-content:flex-end;max-width:calc(100% - 168px);top:12px;right:12px}.live-status{max-width:calc(100% - 24px);bottom:12px;left:12px}.section-heading-row,.user-room-header,.mini-room-row{flex-direction:column;grid-template-columns:1fr;align-items:stretch}.user-room-summary,.mini-room-actions{justify-content:flex-start}}