:root{--bg:#f4f6fb;--panel:#fff;--panel2:#f8f9fc;--line:#e9edf4;--text:#20283a;--muted:#8a94a7;--accent:#6266df;--accent2:#8588ef;--soft:#eef0ff;--green:#28ae80;--shadow:0 10px 35px rgba(34,45,80,.06)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:Inter,'Noto Sans JP',sans-serif;color:var(--text);height:100vh;overflow:hidden}.app-shell{height:100vh;display:grid;grid-template-columns:72px 290px minmax(320px,1fr) 275px;gap:0;max-width:1800px;margin:auto;background:var(--panel);box-shadow:var(--shadow)}
.rail{background:#252a43;color:#aab0cb;display:flex;align-items:center;flex-direction:column;padding:20px 0;gap:15px}.brand-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,#999bff,#6266df);color:white;display:grid;place-items:center;font-weight:800;font-size:20px;margin-bottom:22px;box-shadow:0 7px 20px #6d70e355}.rail-btn{width:42px;height:42px;border:0;border-radius:13px;background:transparent;color:#aab0cb;font-size:20px;cursor:pointer}.rail-btn.active,.rail-btn:hover{background:#3b4162;color:#fff}.rail-spacer{flex:1}.avatar-mini{width:34px;height:34px;border-radius:50%;background:#8184e9;color:white;display:grid;place-items:center;font-weight:700}
.sidebar{border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;background:#fff}.sidebar-head{display:flex;align-items:center;justify-content:space-between;padding:25px 20px 18px}.eyebrow{font-size:9px;letter-spacing:1.4px;color:#9aa2b5;font-weight:800}.sidebar h1{font-size:22px;margin:5px 0 0;letter-spacing:-.6px}.icon-button{border:0;background:var(--soft);color:var(--accent);width:36px;height:36px;border-radius:12px;font-size:22px;cursor:pointer}.search-wrap{height:40px;margin:0 16px 22px;background:#f4f6fa;border:1px solid #eff1f6;border-radius:11px;display:flex;align-items:center;padding:0 11px;color:#9ca5b5;gap:8px}.search-wrap span{font-size:22px}.search-wrap input{border:0;outline:0;background:transparent;width:100%;font:inherit;font-size:12px;color:var(--text)}.discover-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}.discover-row div{display:flex;flex-direction:column;gap:4px}.discover-row b{font-size:11px}.discover-row small{font-size:9px;color:#9aa3b3}.section-label{padding:0 20px 10px;color:#a0a8b8;font-size:10px;font-weight:800;letter-spacing:1px;text-transform:uppercase}.with-action{display:flex;justify-content:space-between;align-items:center}.with-action button{border:0;background:transparent;color:var(--accent);font-size:19px;cursor:pointer;padding:0 18px 8px}.list-area{padding:0 10px 15px;overflow:auto;min-height:30px}.room-item{width:100%;border:0;background:transparent;border-radius:12px;display:flex;align-items:center;gap:10px;text-align:left;padding:10px;cursor:pointer;margin:2px 0;color:var(--text)}.room-item:hover{background:#f7f8fc}.room-item.selected{background:#f0f1ff}.room-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:#eaf6f3;color:#39a987;font-size:19px;flex:none}.room-icon.private{background:#fff3e9;color:#e99a56}.room-icon.dm{background:#f0efff;color:#7877d8}.room-copy{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1}.room-copy b{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.room-copy small{font-size:10px;color:#a0a8b7;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.online-dot{width:7px;height:7px;background:#45c69b;border-radius:50%}.empty-small{font-size:11px;color:#a5adbc;padding:8px 12px}.discover-button{margin:0 18px 17px;border:0;background:transparent;text-align:left;color:#777be0;font:inherit;font-size:10px;font-weight:700;cursor:pointer;padding:5px 2px}.discover-button:hover{color:#4f53c3}.dm-list{flex:1}.sidebar-bottom{padding:12px;border-top:1px solid var(--line)}.profile-card{display:flex;align-items:center;gap:9px;padding:8px;border-radius:12px;background:#f8f9fc}.profile-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(140deg,#a8a9f7,#6266df);display:grid;place-items:center;color:white;font-weight:800;font-size:12px;flex:none;overflow:hidden}.profile-avatar img,.avatar img{width:100%;height:100%;object-fit:cover}.profile-meta{min-width:0;display:flex;flex-direction:column;gap:3px;flex:1}.profile-meta b{font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-meta small{font-size:9px;color:#98a1b2}.more-btn{border:0;background:transparent;color:#9ca5b5;font-size:20px;cursor:pointer}
.chat-panel{display:flex;flex-direction:column;min-width:0;background:#fff;position:relative}.chat-header{height:88px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;flex:none}.chat-title-wrap{display:flex;align-items:center;gap:13px}.chat-room-icon{width:43px;height:43px;background:var(--soft);color:var(--accent);border-radius:14px;display:grid;place-items:center;font-size:20px}.chat-header h2{font-size:16px;margin:3px 0 2px}.subline{font-size:10px;color:#9ba4b5}.header-actions{display:flex;gap:8px}.soft-button,.outline-button{border:1px solid #e7e9f1;border-radius:10px;background:#fff;padding:9px 13px;font-size:10px;color:#616b7e;cursor:pointer}.soft-button:hover,.outline-button:hover{border-color:#bfc1fa;color:var(--accent)}.message-area{flex:1;overflow-y:auto;padding:22px clamp(18px,4vw,62px) 24px;background:linear-gradient(180deg,#fff 0%,#fcfcff 100%)}.date-divider{display:flex;align-items:center;gap:12px;color:#b0b6c2;font-size:9px;margin:0 0 18px}.date-divider:before,.date-divider:after{content:'';height:1px;background:#edf0f5;flex:1}.welcome-card{background:linear-gradient(110deg,#f4f4ff,#f4f9ff);border:1px solid #eff0ff;padding:17px 19px;border-radius:15px;margin-bottom:22px;max-width:700px}.welcome-symbol{color:#7c7fe8;font-size:17px}.welcome-card h3{font-size:14px;margin:6px 0}.welcome-card p{font-size:10px;color:#8993a7;margin:0;line-height:1.7}.messages{display:flex;flex-direction:column;gap:14px;max-width:760px;margin:auto}.message-row{display:flex;gap:10px;align-items:flex-end}.message-row.own{flex-direction:row-reverse}.avatar{width:31px;height:31px;border-radius:50%;background:#e9eaff;color:#6f72d9;display:grid;place-items:center;font-size:10px;font-weight:700;flex:none;overflow:hidden}.message-content{max-width:min(75%,560px);display:flex;flex-direction:column;gap:4px}.own .message-content{align-items:flex-end}.message-meta{display:flex;align-items:center;gap:7px;font-size:9px;color:#a1a9b8}.message-meta b{color:#707b8f;font-weight:700}.bubble{background:#f2f4f9;border-radius:4px 13px 13px 13px;padding:10px 13px;font-size:12px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere;color:#465066}.own .bubble{background:#696de0;color:#fff;border-radius:13px 4px 13px 13px}.empty-conversation{text-align:center;color:#a2aabc;font-size:11px;padding:35px 12px}.composer{margin:0 25px;border:1px solid #e8ebf3;border-radius:14px;min-height:66px;display:flex;align-items:center;gap:10px;padding:9px 10px 9px 13px;box-shadow:0 5px 20px rgba(30,43,80,.04)}.composer-tools button{border:0;background:#f3f4fa;border-radius:9px;width:32px;height:32px;color:#8a91a3;font-size:18px}.composer textarea{border:0;outline:0;resize:none;flex:1;font:inherit;font-size:12px;line-height:1.5;max-height:130px;min-width:0;color:var(--text)}.composer textarea::placeholder{color:#aeb5c2}.composer-end{display:flex;align-items:center;gap:12px}.composer-end span{font-size:9px;color:#b0b7c4}.send-button{border:0;border-radius:10px;background:var(--accent);color:#fff;font-size:10px;font-weight:700;padding:10px 15px;cursor:pointer}.send-button:disabled{background:#c7c9dc;cursor:not-allowed}.composer-note{text-align:center;font-size:9px;color:#b1b8c5;padding:8px 0 13px}.details-panel{border-left:1px solid var(--line);padding:23px 18px;background:#fff;overflow:auto}.details-top{display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:700;color:#737d90}.detail-hero{text-align:center;padding:30px 5px 25px;border-bottom:1px solid var(--line)}.detail-icon{width:62px;height:62px;display:grid;place-items:center;margin:auto;background:#eff0ff;color:#7376df;border-radius:20px;font-size:26px}.detail-hero h3{font-size:14px;margin:13px 0 4px}.detail-hero p{font-size:10px;color:#9aa3b3;margin:0}.detail-stat{display:flex;justify-content:space-between;gap:12px;padding:15px 2px;border-bottom:1px solid #f0f1f5;font-size:10px}.detail-stat span{color:#9ba3b2}.detail-stat b{color:#5e687c}.full{width:100%;margin-top:15px}.details-tip{margin-top:28px;padding:13px;background:#f7f8fd;border-radius:12px}.details-tip b{font-size:10px}.details-tip p{font-size:9px;color:#8d97a8;line-height:1.8;margin:7px 0 0}.mobile-only{display:none}
.modal-backdrop{position:fixed;inset:0;background:rgba(28,34,55,.34);display:grid;place-items:center;padding:18px;z-index:10}.modal-backdrop[hidden]{display:none}.modal{width:min(440px,100%);background:white;border-radius:18px;box-shadow:0 24px 80px #171e3730;padding:22px}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.modal-head h2{font-size:16px;margin:0}.form-field{display:flex;flex-direction:column;gap:7px;margin:13px 0}.form-field label{font-size:10px;font-weight:700;color:#768095}.form-field input,.form-field select{height:42px;border:1px solid #e5e8f0;border-radius:10px;padding:0 12px;font:inherit;font-size:12px;outline:0}.form-field input:focus{border-color:#9799ed}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:19px}.primary-button{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:11px 16px;font-size:11px;font-weight:700;cursor:pointer}.secondary-button{background:#f2f3f8;border:0;border-radius:10px;padding:11px 16px;font-size:11px;color:#707b8e;cursor:pointer}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,15px);opacity:0;pointer-events:none;background:#222a43;color:white;border-radius:12px;padding:11px 16px;font-size:11px;z-index:20;transition:.2s;box-shadow:0 10px 30px #20284433}.toast.show{opacity:1;transform:translate(-50%,0)}
.login-state{min-height:100%;display:grid;place-items:center}.login-card{width:min(410px,100%);padding:38px 30px;border:1px solid #edf0f5;background:#fff;border-radius:22px;text-align:center;box-shadow:var(--shadow)}.login-logo{width:60px;height:60px;background:linear-gradient(140deg,#a1a2ff,#6266df);border-radius:19px;color:white;display:grid;place-items:center;font-size:27px;font-weight:800;margin:0 auto 18px}.login-card h2{font-size:21px;margin:0 0 8px}.login-card p{color:#929bad;font-size:11px;line-height:1.9;margin:0 0 22px}.discord-login{display:block;text-decoration:none;background:#5965d9;color:#fff;border-radius:12px;padding:13px;font-size:12px;font-weight:700}.login-caption{font-size:9px!important;margin-top:14px!important;color:#adb4c1!important}
@media(max-width:1150px){.app-shell{grid-template-columns:64px 255px minmax(300px,1fr)}.details-panel{display:none}.mobile-only{display:block}}
@media(max-width:700px){body{overflow:hidden}.app-shell{grid-template-columns:1fr}.rail{display:none}.sidebar{display:none;position:fixed;z-index:5;left:0;top:0;bottom:0;width:min(320px,88vw);box-shadow:15px 0 40px #1d264022}.sidebar.open{display:flex}.chat-panel{height:100vh}.chat-header{height:75px;padding:0 15px}.message-area{padding:17px 14px}.composer{margin:0 10px}.composer-note{padding-bottom:8px}.composer-end span{display:none}.chat-title-wrap{gap:9px}.chat-room-icon{width:37px;height:37px}.chat-header h2{font-size:14px}.subline{font-size:9px}}