:root{--bg: #f4f5fa;--surface: #ffffff;--surface-2: #f8f9fc;--border: #e5e7f0;--border-strong: #d3d6e4;--text: #1d2233;--text-soft: #5b6172;--text-faint: #6b7180;--accent: #4f5ae8;--accent-strong: #3d48d8;--accent-soft: #eceefe;--accent-softer: #f6f7ff;--danger: #d92d20;--danger-soft: #fee4e2;--warn: #b54708;--warn-soft: #fef0c7;--success: #067647;--success-soft: #d1fadf;--radius-s: 8px;--radius-m: 12px;--radius-l: 16px;--shadow-s: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);--shadow-m: 0 4px 6px -2px rgba(16, 24, 40, .05), 0 12px 16px -4px rgba(16, 24, 40, .1);--shadow-l: 0 8px 8px -4px rgba(16, 24, 40, .04), 0 20px 24px -4px rgba(16, 24, 40, .1);font-family:Segoe UI,system-ui,-apple-system,Helvetica 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span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.home{width:100%;max-width:860px;margin:0 auto;padding:34px 22px 60px}.home-hero h1{margin:0 0 6px;font-size:1.65rem}.home-hero p{margin:0;color:var(--text-soft)}.home-actions{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0 34px}.action-card{display:flex;flex-direction:column;align-items:flex-start;gap:4px;text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);padding:18px;cursor:pointer;font-family:inherit;box-shadow:var(--shadow-s);transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.action-card:hover{border-color:var(--accent);box-shadow:var(--shadow-m);transform:translateY(-1px)}.action-card__icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-size:1.25rem;margin-bottom:6px;background:var(--accent-soft);color:var(--accent-strong)}.action-card__icon--join{background:var(--success-soft);color:var(--success)}.action-card__title{font-size:1rem;font-weight:700;color:var(--text)}.action-card__desc{font-size:.85rem;color:var(--text-soft)}.home-section-title{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin:0 0 12px}.server-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}.server-card{display:flex;align-items:center;gap:12px;text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);padding:14px 16px;cursor:pointer;font-family:inherit;box-shadow:var(--shadow-s);transition:border-color .15s 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var(--border);flex-shrink:0;min-height:54px}.chat-header__menu{display:none}.chat-header__hash{color:var(--text-faint);font-size:1.25rem;font-weight:700}.chat-header__name{font-weight:700;font-size:1.02rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-header .lock-badge{margin-left:6px}.messages{flex:1;overflow-y:auto;padding:18px 18px 8px;display:flex;flex-direction:column}.messages__welcome{margin-top:auto;padding:18px 4px}.messages__welcome h3{margin:0 0 4px;font-size:1.15rem}.messages__welcome p{margin:0}.messages__hint{padding:8px 4px}.day-divider{display:flex;align-items:center;gap:12px;margin:16px 0 8px;color:var(--text-faint);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em}.day-divider:before,.day-divider:after{content:"";flex:1;height:1px;background:var(--border)}.msg{display:flex;gap:12px;padding:7px 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18px;color:var(--text-soft)}.avatar{border-radius:50%;object-fit:cover;flex-shrink:0;display:inline-block}.avatar--fallback{display:grid;place-items:center;color:#fff;font-weight:700}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f122273;display:grid;place-items:center;z-index:100;padding:24px}.modal{width:100%;max-width:470px;background:var(--surface);border-radius:var(--radius-l);max-height:86vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow-l);animation:modal-in .16s ease}@keyframes modal-in{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}.modal__header{display:flex;align-items:center;justify-content:space-between;padding:18px 22px 14px;border-bottom:1px solid var(--border)}.modal__header h2{margin:0;font-size:1.12rem}.modal__body{padding:18px 22px 22px;overflow-y:auto}.modal__footer{padding:14px 22px;border-top:1px solid var(--border)}.tabs{display:flex;gap:6px;margin-bottom:6px;background:var(--surface-2);border-radius:var(--radius-s);padding:4px}.tab{flex:1;background:transparent;border:none;color:var(--text-soft);padding:8px;border-radius:6px;cursor:pointer;font-weight:600;font-size:.9rem;font-family:inherit}.tab:hover{color:var(--text)}.tab.is-active{background:var(--surface);color:var(--accent-strong);box-shadow:var(--shadow-s)}.settings-pane{display:flex;flex-direction:column;gap:4px}.settings-pane .btn--primary{margin-top:18px;align-self:flex-start}.settings-row{display:flex;align-items:center;gap:16px;margin-top:16px}.settings-status{margin-top:8px;color:var(--success)}.file-btn{cursor:pointer;margin-top:0;text-transform:none;letter-spacing:0}.invite-box{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding:13px 15px;background:var(--accent-softer);border:1px solid var(--accent-soft);border-radius:var(--radius-m);flex-wrap:wrap}.invite-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.3rem;letter-spacing:.14em;font-weight:700;color:var(--accent-strong)}.invite-actions{display:flex;gap:8px}.member-manage-row,.channel-manage-row{display:flex;align-items:center;gap:10px;padding:9px 2px;border-bottom:1px solid var(--border)}.member-manage-row__name{flex:1;display:flex;align-items:center;gap:8px;min-width:0;font-weight:600}.member-manage-row select{width:auto;margin:0;padding:6px 8px;font-size:.85rem}.channel-manage-row{justify-content:space-between}.channel-manage-row__name{font-weight:600}.auth-page{min-height:100%;display:grid;place-items:center;background:radial-gradient(700px 380px at 15% 0%,var(--accent-soft),transparent 70%),radial-gradient(700px 380px at 90% 100%,#efe9fd,transparent 70%),var(--bg);padding:24px}.auth-card{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--border);padding:34px;border-radius:var(--radius-l);box-shadow:var(--shadow-l)}.auth-brand{text-align:center;margin-bottom:10px}.auth-brand h1{margin:14px 0 4px;font-size:1.45rem}.auth-brand p{margin:0}.auth-card .btn--full{margin-top:22px}.auth-switch{text-align:center;margin-top:18px;font-size:.88rem}.setup-card{max-width:540px;background:var(--surface);border:1px solid var(--border);padding:32px;border-radius:var(--radius-l);box-shadow:var(--shadow-m)}.setup-card h1{margin-top:0}.setup-card ol{line-height:1.9}.admin-main{width:100%;max-width:1060px;margin:0 auto;padding:30px 22px 60px}.admin-main h1{margin:0 0 4px;font-size:1.5rem}.admin-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);padding:20px;text-align:center;box-shadow:var(--shadow-s)}.stat-card__num{font-size:2rem;font-weight:800;color:var(--accent-strong)}.stat-card__label{color:var(--text-faint);text-transform:uppercase;font-size:.72rem;font-weight:700;letter-spacing:.05em}.admin-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}.admin-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);padding:18px;box-shadow:var(--shadow-s)}.admin-panel h2{margin:0 0 12px;font-size:1.05rem}.admin-list{display:flex;flex-direction:column;gap:2px}.admin-list__row{display:flex;align-items:center;gap:10px;padding:8px;border-radius:var(--radius-s)}.admin-list__row:hover{background:var(--surface-2)}.admin-list__main{flex:1;min-width:0}.admin-list__title{display:flex;align-items:center;gap:8px;font-weight:600}.admin-note{margin-top:14px;line-height:1.6}@media (max-width: 900px){.sidebar{position:fixed;top:0;bottom:0;left:0;z-index:60;transform:translate(-105%);transition:transform .2s ease;box-shadow:var(--shadow-l);width:min(300px,85vw)}.sidebar--open{transform:translate(0)}.chat-header__menu{display:inline-flex}.admin-columns{grid-template-columns:1fr}}@media (max-width: 600px){.home-actions,.admin-stats{grid-template-columns:1fr}.brand__subtitle,.topbar__user span{display:none}}