:root{--bg:#f6f7f9;--panel:#fff;--text:#1d2329;--muted:#6b7680;--line:#e3e7eb;--accent:#2f9e74;--accent-text:#fff;--mine:#c9f0dc;--theirs:#fff;--danger:#c4453c;--notice:#fff6dc;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#121518;--panel:#1b1f23;--text:#e6eaee;--muted:#8d98a3;--line:#2c3338;--accent:#3fb68a;--accent-text:#0d1512;--mine:#1f4a38;--theirs:#262c31;--danger:#ef7a70;--notice:#3a3222;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%;font-family:system-ui,-apple-system,Hiragino Sans,Noto Sans JP,sans-serif;font-size:1rem}button,input,select,textarea{font:inherit;color:inherit}input,select,textarea{border:1px solid var(--line);background:var(--panel);border-radius:10px;width:100%;padding:10px 12px;font-size:1rem}button{border:1px solid var(--line);background:var(--panel);cursor:pointer;border-radius:10px;padding:10px 14px}button:disabled{opacity:.5;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text);font-weight:600}button.ghost{background:0 0;border-color:#0000}button.danger{color:var(--danger)}.muted{color:var(--muted)}[role=alert]{color:var(--danger)}.empty{text-align:center;padding:24px 16px}.stack{flex-direction:column;gap:14px;display:flex}.stack label{color:var(--muted);flex-direction:column;gap:6px;font-size:.875rem;display:flex}.row{gap:8px;display:flex}.register{max-width:420px;padding:max(24px, env(safe-area-inset-top)) 16px 24px;margin:0 auto}.chat{height:100%;display:flex}.sidebar{width:320px;padding:max(12px, env(safe-area-inset-top)) 16px 12px;border-right:1px solid var(--line);background:var(--panel);flex-direction:column;flex-shrink:0;gap:10px;display:flex;overflow-y:auto}.sidebar-header{justify-content:space-between;align-items:center;display:flex}.sidebar-header h1{margin:0;font-size:1.375rem}.status{color:var(--muted);font-size:.75rem}.status.online:before{content:"● ";color:var(--accent)}.rooms{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.rooms button{text-align:left;width:100%;color:var(--text);border-color:#0000;align-items:center;gap:12px;padding:10px 8px;display:flex}.rooms li.empty{opacity:.55}.avatar{color:#fff;object-fit:cover;border-radius:50%;flex-shrink:0;place-items:center;font-weight:700;line-height:1;display:grid}.avatar.emoji{background:var(--bg);border:1px solid var(--line)}.room-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.room-text strong{white-space:nowrap;text-overflow:ellipsis;font-size:1.0625rem;overflow:hidden}.room-meta{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:4px;display:flex}.badge{background:var(--accent);min-width:1.5rem;color:var(--accent-text);text-align:center;border-radius:999px;padding:2px 7px;font-size:.8125rem;font-weight:700}.new-room{color:var(--muted);align-self:center;font-size:.9375rem}.settings-link{color:var(--muted);align-self:flex-start;margin-top:auto;font-size:.9375rem}.settings-body{flex-direction:column;flex:1;gap:14px;padding:16px;display:flex;overflow-y:auto}.settings-body h3{color:var(--muted);margin:8px 0 0;font-size:.875rem}.status.online{clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}.rooms button.selected{background:var(--bg)}.rooms .muted{white-space:nowrap;text-overflow:ellipsis;max-width:100%;font-size:.8125rem;overflow:hidden}.diagnostics{color:var(--muted);font-size:.8125rem}.main{flex-direction:column;flex:1;min-width:0;display:flex}@media (max-width:720px){.sidebar{border-right:none;width:100%}.main,.chat.room-open .sidebar{display:none}.chat.room-open .main{display:flex}}@media (min-width:721px){.room-header .back{display:none}}.room{flex-direction:column;height:100%;display:flex}.room-header{padding:max(8px, env(safe-area-inset-top)) 8px 8px;border-bottom:1px solid var(--line);background:var(--panel);align-items:center;gap:4px;display:flex}.room-header h2{white-space:nowrap;text-overflow:ellipsis;flex:1;margin:0;font-size:1.0625rem;overflow:hidden}.back{white-space:nowrap;align-items:center;gap:2px;padding:4px 10px;font-size:1rem;font-weight:600;line-height:1;display:flex}.notice{background:var(--notice);text-align:center;margin:0;padding:8px 16px;font-size:.8125rem}.settings{border-bottom:1px solid var(--line);background:var(--panel);padding:8px 16px 16px}.settings h3{color:var(--muted);margin:12px 0 6px;font-size:.875rem}.members{margin:0 0 8px;padding:0;list-style:none}.members li{align-items:center;gap:6px;padding:4px 0;display:flex}.members .danger{margin-left:auto;padding:4px 8px}.messages{flex-direction:column;flex:1;gap:10px;margin:0;padding:12px 16px;list-style:none;display:flex;overflow-y:auto}.messages li{flex-direction:column;max-width:80%;display:flex}.messages li.mine{align-self:flex-end;align-items:flex-end}.messages li.theirs{align-self:flex-start}.pressable{align-items:inherit;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;flex-direction:column;display:flex}.reaction-menu{border:1px solid var(--line);background:var(--panel);border-radius:999px;gap:2px;margin-top:4px;padding:4px;display:flex;box-shadow:0 2px 8px #00000026}.reaction-menu button{background:0 0;border:none;border-radius:999px;padding:4px 6px;font-size:1.375rem;line-height:1}.reaction-menu button.selected{background:var(--mine)}.reactions{flex-wrap:wrap;gap:4px;margin-top:2px;display:flex}.reactions button{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:999px;padding:1px 8px;font-size:.875rem}.reactions button.mine{border-color:var(--accent);background:var(--mine)}.sender{color:var(--muted);margin:0 0 2px 4px;font-size:.75rem}.bubble{background:var(--theirs);border:1px solid var(--line);white-space:pre-wrap;overflow-wrap:anywhere;border-radius:16px;padding:8px 12px}.mine .bubble{background:var(--mine);border-color:#0000}.bubble.emoji-only{background:0 0;border-color:#0000;padding:0;font-size:3rem;line-height:1.15}.meta{color:var(--muted);margin:2px 4px 0;font-size:.6875rem}.composer{padding:8px 12px max(8px, env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--panel);align-items:flex-end;gap:8px;display:flex}.composer textarea{resize:none;max-height:120px}.composer button{white-space:nowrap;flex-shrink:0}.attach{cursor:pointer;flex-shrink:0;padding:8px 6px;font-size:1.25rem}.attachment{flex-direction:column;align-items:flex-start;gap:4px;display:flex}.mine .attachment{align-items:flex-end}.attachment img{border:1px solid var(--line);border-radius:12px;max-width:min(260px,70vw);max-height:320px}.attachment .save{color:var(--accent);padding:2px 8px;font-size:.75rem}.install-hint{background:var(--notice);border-radius:10px;padding:10px 12px;font-size:.875rem}.install-hint ol{margin:6px 0;padding-left:1.4em}.notify-card{border:1px solid var(--accent);border-radius:10px;flex-direction:column;gap:8px;padding:10px 12px;font-size:.875rem;display:flex}.install-hint p{margin:6px 0 0}.notify-card textarea{width:100%;font:inherit;resize:vertical;font-size:1rem}.invite-actions{gap:8px;display:flex}.invite-qr{background:#fff;align-self:center;width:240px;height:240px}.sticker{object-fit:cover;border-radius:12px;width:150px;height:150px}.sticker-panel{border-top:1px solid var(--line);background:var(--panel);grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:4px;max-height:40vh;padding:8px;display:grid;overflow-y:auto}.sticker-panel button{background:0 0;border:none;border-radius:10px;padding:4px}.sticker-panel img{aspect-ratio:1;object-fit:cover;-webkit-touch-callout:none;border-radius:8px;width:100%}.sticker-add{aspect-ratio:1;border:2px dashed var(--line);color:var(--muted);cursor:pointer;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;font-size:1.5rem;display:flex}.sticker-add small{font-size:.6875rem}.text-size{align-items:center;gap:4px;font-size:.875rem;display:flex}.text-size button{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:999px;padding:2px 10px}.text-size button.selected{border-color:var(--accent);background:var(--mine)}.install-hint .steps{flex-direction:column;gap:10px;margin:10px 0;padding-left:1.6em;font-size:1.05rem;display:flex}.install-hint .steps small{color:var(--muted);margin-top:2px;font-size:.8rem;display:block}.install-hint .key{border:1px solid var(--line);background:var(--panel);white-space:nowrap;border-radius:6px;padding:0 6px;font-weight:700;display:inline-block}a.button{text-align:center;border-radius:10px;margin:8px 0;padding:10px 14px;text-decoration:none;display:block}a.button.primary{background:var(--accent);color:var(--accent-text);font-weight:600}.settings-button{white-space:nowrap;padding:6px 12px;font-size:1.05rem;font-weight:600}.row button{white-space:nowrap;flex-shrink:0}.no-members{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.back span{font-size:1.625rem}.text-size .swatch{border:3px solid #0000;border-radius:50%;width:2rem;height:2rem;padding:0}.text-size .swatch.selected{border-color:var(--text)}.sender{align-items:center;gap:6px;display:flex}.profile-editor{flex-direction:column;gap:8px;display:flex}.profile-editor .avatar-choices{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.profile-editor .avatar-choices button{padding:4px 8px;font-size:1.4rem;line-height:1}.profile-editor .avatar-choices button.selected{border-color:var(--accent);background:var(--mine)}.profile-editor label.button{border:1px solid var(--line);background:var(--panel);cursor:pointer;border-radius:10px;align-items:center;padding:6px 10px;font-size:.9375rem;display:inline-flex}.profile-editor .row input{flex:1;min-width:0}.sidebar-header .me{border:none;margin-left:auto;padding:0}.sidebar-header .status:not(.online){margin-left:auto}.profile-editor .avatar-choices button.initial{align-items:center;gap:6px;font-size:.9375rem;display:inline-flex}