:root{--teal: #2fa3b2;--teal-deep: #19808f;--green: #5fbe6b;--grad: linear-gradient(135deg, #3ca8b4, #62be6c);--bg: #f5f9f8;--card: #ffffff;--panel: #edf4f3;--ink: #12211f;--ink-2: rgba(18, 33, 31, .72);--ink-3: rgba(18, 33, 31, .56);--ink-4: rgba(18, 33, 31, .38);--border: rgba(18, 33, 31, .1);--danger: #c0392b;--shadow: 0 1px 3px rgba(18, 33, 31, .06), 0 4px 16px rgba(18, 33, 31, .05)}@media(prefers-color-scheme:dark){:root{--bg: #0b1220;--card: #151c2b;--panel: #1a2133;--ink: #ffffff;--ink-2: rgba(255, 255, 255, .7);--ink-3: rgba(255, 255, 255, .54);--ink-4: rgba(255, 255, 255, .38);--border: rgba(255, 255, 255, .12);--danger: #e07b6f;--shadow: 0 1px 3px rgba(0, 0, 0, .3)}}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.45}a{color:var(--teal-deep);text-decoration:none}h1,h2,h3{margin:0 0 8px;line-height:1.2}h1{font-size:24px}h2{font-size:18px}h3{font-size:15px}.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--border);background:var(--card);padding:20px 12px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;padding:4px 10px 18px}.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--grad);flex-shrink:0}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;color:var(--ink-2);font-weight:500;cursor:pointer;border:none;background:none;font-size:15px;text-align:left}.nav-item:hover{background:var(--panel);color:var(--ink)}.nav-item.active{background:color-mix(in srgb,var(--teal) 14%,transparent);color:var(--teal-deep);font-weight:600}@media(prefers-color-scheme:dark){.nav-item.active{color:var(--teal)}}.nav-spacer{flex:1}.nav-footer{border-top:1px solid var(--border);padding-top:10px;font-size:13px;color:var(--ink-3)}.main{padding:24px 32px 64px;max-width:1100px;width:100%;margin:0 auto;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;background:var(--panel);color:var(--ink);text-decoration:none}.btn:hover{filter:brightness(.97)}.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--grad);color:#fff}.btn-outline{background:transparent;border-color:var(--border)}.btn-danger{background:transparent;border-color:var(--danger);color:var(--danger)}.btn-sm{padding:5px 10px;font-size:13px;border-radius:8px}input,textarea,select{width:100%;padding:9px 12px;border-radius:10px;border:1px solid var(--border);background:var(--card);color:var(--ink);font-size:14px;font-family:inherit}input:focus,textarea:focus,select:focus{outline:2px solid color-mix(in srgb,var(--teal) 45%,transparent);border-color:var(--teal)}label.field{display:block;margin-bottom:12px;font-size:13px;font-weight:600;color:var(--ink-2)}label.field>input,label.field>textarea,label.field>select{margin-top:5px;font-weight:400}.error{color:var(--danger);font-size:13px;margin:8px 0}.muted{color:var(--ink-3)}.small{font-size:13px}.row{display:flex;align-items:center;gap:10px}.spread{justify-content:space-between}.wrap{flex-wrap:wrap}.grid-2{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}.chip{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--panel);color:var(--ink-2);font-size:12px;font-weight:600}.chip-teal{background:color-mix(in srgb,var(--teal) 15%,transparent);color:var(--teal-deep)}.chip-green{background:color-mix(in srgb,var(--green) 18%,transparent);color:#2f7a38}@media(prefers-color-scheme:dark){.chip-teal{color:var(--teal)}.chip-green{color:var(--green)}}.avatar{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.avatar.lg{width:72px;height:72px;font-size:24px}.list-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;cursor:pointer;border-bottom:1px solid var(--border)}.list-item:last-child{border-bottom:none}.list-item:hover{background:var(--panel)}.empty{text-align:center;color:var(--ink-3);padding:48px 16px}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 80% -10%,color-mix(in srgb,var(--teal) 18%,transparent),transparent),radial-gradient(900px 500px at -10% 110%,color-mix(in srgb,var(--green) 15%,transparent),transparent),var(--bg);padding:24px}.auth-card{width:100%;max-width:400px}.event-cover{width:100%;aspect-ratio:2.2;border-radius:12px;object-fit:cover;background:var(--panel)}.event-date-badge{background:var(--panel);border-radius:10px;padding:6px 10px;text-align:center;min-width:52px}.event-date-badge .mon{font-size:11px;font-weight:700;text-transform:uppercase;color:var(--teal-deep)}.event-date-badge .day{font-size:19px;font-weight:700}.chat-layout{display:grid;grid-template-columns:320px 1fr;gap:0;height:calc(100vh - 140px);border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--card)}.chat-list{border-right:1px solid var(--border);overflow-y:auto}.chat-thread{display:flex;flex-direction:column;min-width:0}.chat-scroll{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:6px}.bubble{max-width:65%;padding:8px 13px;border-radius:16px;background:var(--panel);align-self:flex-start;white-space:pre-wrap;word-break:break-word}.bubble.mine{background:var(--teal-deep);color:#fff;align-self:flex-end}.chat-compose{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:40;padding:24px}.modal{background:var(--card);border-radius:16px;padding:22px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto}.badge-dot{position:absolute;top:-4px;right:-6px;background:var(--danger);color:#fff;font-size:10px;font-weight:700;border-radius:999px;min-width:16px;height:16px;display:flex;align-items:center;justify-content:center;padding:0 4px}.spinner{width:22px;height:22px;border:3px solid var(--panel);border-top-color:var(--teal);border-radius:50%;animation:spin .8s linear infinite;margin:32px auto}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{position:fixed;bottom:0;top:auto;height:auto;width:100%;flex-direction:row;padding:6px;border-top:1px solid var(--border);border-right:none;z-index:30;overflow-x:auto}.brand,.nav-footer,.nav-spacer{display:none}.main{padding:16px 16px 96px}.chat-layout{grid-template-columns:1fr}.chat-list.hidden-mobile{display:none}}