*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg-primary:#0f0f13;--bg-secondary:#16161d;--bg-tertiary:#1c1c27;--bg-float:#21212e;--bg-hover:rgba(255,255,255,0.04);--bg-active:rgba(255,255,255,0.07);--bg-input:#12121a;--text-primary:#e4e4ec;--text-secondary:#8e8ea0;--text-muted:#5a5a72;--text-link:#7c9aff;--accent:#6c63ff;--accent-hover:#7b73ff;--green:#3ec97a;--red:#f24e55;--yellow:#f5c542;--orange:#f47b67;--border:rgba(255,255,255,0.06);--shadow:0 8px 32px rgba(0,0,0,0.4);--radius:8px;--radius-lg:12px;--font:'DM Sans',-apple-system,sans-serif;--sidebar-w:72px;--channels-w:248px;--members-w:240px}
html,body{height:100%;font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}
#app{height:100%;display:flex}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.1);border-radius:3px}

.auth-screen{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 30% 20%,rgba(108,99,255,0.12),transparent 60%),radial-gradient(ellipse at 70% 80%,rgba(62,201,122,0.08),transparent 50%),var(--bg-primary)}
.auth-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;padding:40px;width:420px;box-shadow:var(--shadow)}
.auth-card h1{font-size:28px;font-weight:700;margin-bottom:4px;background:linear-gradient(135deg,var(--accent),var(--green));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.auth-card p.subtitle{color:var(--text-secondary);margin-bottom:28px;font-size:14px}
.form-group{margin-bottom:18px}.form-group label{display:block;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:6px}
.form-input{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-family:var(--font);font-size:15px;outline:none;transition:border-color .2s}
.form-input:focus{border-color:var(--accent)}.form-input::placeholder{color:var(--text-muted)}
textarea.form-input{line-height:1.5;font-size:14px}
.auth-error{background:rgba(242,78,85,0.1);border:1px solid rgba(242,78,85,0.2);color:var(--red);padding:10px 14px;border-radius:var(--radius);font-size:13px;margin-bottom:16px;display:none}.auth-error.visible{display:block}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius);font-family:var(--font);font-size:14px;font-weight:600;cursor:pointer;transition:all .15s;line-height:1.4}
.btn-primary{background:var(--accent);color:#fff;width:100%}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{color:var(--text-primary)}
.btn-small{padding:6px 12px;font-size:13px}.btn-danger{background:var(--red);color:#fff}.btn-danger:hover{filter:brightness(1.1)}.btn-success{background:var(--green);color:#fff}.btn-success:hover{filter:brightness(1.1)}

.app-layout{display:flex;width:100%;height:100%}

.server-bar{width:var(--sidebar-w);background:var(--bg-primary);display:flex;flex-direction:column;align-items:center;padding:12px 0;gap:4px;overflow-y:auto;flex-shrink:0;border-right:1px solid var(--border)}
.server-icon{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;cursor:pointer;transition:border-radius .2s,background .15s;position:relative;color:#fff;flex-shrink:0;overflow:hidden}
.server-icon:hover,.server-icon.active{border-radius:14px}
.server-icon.active::before{content:'';position:absolute;left:-14px;width:4px;height:36px;background:var(--accent);border-radius:0 4px 4px 0}
.server-icon.home-icon{background:var(--bg-tertiary);color:var(--accent)}.server-icon.home-icon:hover,.server-icon.home-icon.active{background:var(--accent);color:#fff}
.server-icon img{width:48px;height:48px;object-fit:cover}
.server-separator{width:32px;height:2px;background:var(--border);margin:4px 0;flex-shrink:0}
.server-icon.add-server{background:var(--bg-tertiary);color:var(--green);font-size:22px}.server-icon.add-server:hover{background:var(--green);color:#fff}

.channel-sidebar{width:var(--channels-w);background:var(--bg-secondary);display:flex;flex-direction:column;flex-shrink:0;border-right:1px solid var(--border)}
.sidebar-header{padding:14px 16px;font-weight:700;font-size:15px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;min-height:50px}.sidebar-header .header-actions{display:flex;gap:4px}
.channel-list{flex:1;overflow-y:auto;padding:8px}
.channel-category{padding:16px 8px 4px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);display:flex;align-items:center;justify-content:space-between}
.channel-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:6px;cursor:pointer;color:var(--text-secondary);font-size:14px;transition:all .1s;position:relative}
.channel-item:hover{background:var(--bg-hover);color:var(--text-primary)}
.channel-item.active{background:var(--bg-active);color:var(--text-primary)}
.channel-item .channel-icon{font-size:18px;opacity:.6;width:20px;text-align:center}
.channel-item:hover .channel-delete-btn{opacity:.6!important}.channel-delete-btn:hover{opacity:1!important;color:var(--red)!important}

/* ── Unread badge ── */
.unread-badge{background:var(--red);color:#fff;font-size:10px;font-weight:700;padding:1px 5px;border-radius:8px;margin-left:auto;line-height:1.4;flex-shrink:0}

.voice-users{padding-left:38px}.voice-user-item{display:flex;align-items:center;gap:8px;padding:3px 0;font-size:13px;color:var(--text-secondary)}
.voice-user-item .mini-avatar{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#fff;overflow:hidden}.voice-user-item .mini-avatar img{width:22px;height:22px;object-fit:cover}

.user-panel{padding:10px 12px;background:var(--bg-primary);border-top:1px solid var(--border);display:flex;align-items:center;gap:10px}
.avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff;flex-shrink:0;position:relative;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.status-dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--bg-primary);position:absolute;bottom:-1px;right:-1px;z-index:2}.status-dot.online{background:var(--green)}.status-dot.offline{background:var(--text-muted)}
.user-info{flex:1;min-width:0}.user-info .name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-info .tag{font-size:11px;color:var(--text-muted)}
.icon-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;cursor:pointer;color:var(--text-secondary);background:none;border:none;transition:all .1s;font-size:16px;flex-shrink:0}.icon-btn:hover{background:var(--bg-hover);color:var(--text-primary)}

.main-content{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg-tertiary)}
.main-header{padding:12px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;min-height:50px;background:var(--bg-tertiary)}.main-header .header-icon{font-size:20px;color:var(--text-muted)}.main-header .header-title{font-weight:600;font-size:15px}.main-header .header-subtitle{font-size:13px;color:var(--text-muted);margin-left:8px}

.chat-container{flex:1;display:flex;flex-direction:column;min-height:0}
.messages-area{flex:1;overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:2px}
.message{display:flex;gap:12px;padding:4px 8px;border-radius:6px;transition:background .1s}.message:hover{background:var(--bg-hover)}
.message .msg-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;color:#fff;flex-shrink:0;margin-top:2px;overflow:hidden;cursor:pointer}.message .msg-avatar img{width:40px;height:40px;object-fit:cover}
.message .msg-body{flex:1;min-width:0}.message .msg-header{display:flex;align-items:baseline;gap:8px;margin-bottom:2px}.message .msg-author{font-weight:600;font-size:14px;cursor:pointer}.message .msg-author:hover{text-decoration:underline}.message .msg-time{font-size:11px;color:var(--text-muted)}.message .msg-content{font-size:14px;color:var(--text-primary);line-height:1.45;word-break:break-word}
.message.compact{padding-left:62px}.message.compact .msg-avatar{display:none}.message.compact .msg-header{display:none}
.msg-time-inline{font-size:10px;color:var(--text-muted);margin-right:8px;opacity:0;transition:opacity .1s}.message.compact:hover .msg-time-inline{opacity:1}
.msg-file{margin-top:6px}.msg-file img{max-width:400px;max-height:300px;border-radius:8px;cursor:pointer;display:block}
.msg-file-download{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;background:var(--bg-float);border:1px solid var(--border);border-radius:8px;color:var(--text-link);text-decoration:none;font-size:13px;margin-top:4px}.msg-file-download:hover{background:var(--bg-active)}

.chat-input-wrapper{padding:0 16px 20px}.chat-input-bar{display:flex;align-items:center;gap:10px;background:var(--bg-float);border-radius:10px;padding:4px 14px}
.chat-input{flex:1;padding:12px 0;background:none;border:none;color:var(--text-primary);font-family:var(--font);font-size:14px;outline:none;min-width:0}.chat-input::placeholder{color:var(--text-muted)}
.chat-upload-btn{cursor:pointer;color:var(--text-muted);font-size:18px;transition:color .15s;background:none;border:none;padding:4px}.chat-upload-btn:hover{color:var(--text-primary)}
.typing-indicator{padding:4px 18px;font-size:12px;color:var(--text-muted);min-height:22px}
.upload-preview{display:flex;align-items:center;gap:8px;padding:6px 14px;font-size:13px;color:var(--text-secondary);background:var(--bg-active);border-radius:8px 8px 0 0;margin:0 16px}.upload-preview .remove-upload{cursor:pointer;color:var(--red);margin-left:auto;background:none;border:none;font-size:14px}

.friends-view{flex:1;display:flex;flex-direction:column;min-height:0}
.friends-tabs{display:flex;gap:4px;padding:0 18px;border-bottom:1px solid var(--border)}
.friends-tab{padding:10px 14px;font-size:13px;font-weight:600;color:var(--text-secondary);cursor:pointer;border-bottom:2px solid transparent;transition:all .15s}.friends-tab:hover{color:var(--text-primary)}.friends-tab.active{color:var(--text-primary);border-color:var(--accent)}.friends-tab .badge{background:var(--red);color:#fff;font-size:11px;padding:1px 6px;border-radius:10px;margin-left:6px}
.friends-content{flex:1;overflow-y:auto;padding:16px 18px}
.friend-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius);cursor:pointer;transition:background .1s;border-bottom:1px solid var(--border)}.friend-item:hover{background:var(--bg-hover)}.friend-item .friend-info{flex:1}.friend-item .friend-name{font-weight:600;font-size:14px}.friend-item .friend-status{font-size:12px;color:var(--text-muted)}.friend-item .friend-actions{display:flex;gap:6px}
.add-friend-form{display:flex;gap:10px;padding:16px;margin-bottom:16px;background:var(--bg-float);border-radius:var(--radius-lg)}.add-friend-form .form-input{flex:1}

.discover-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.discover-card{background:var(--bg-float);border-radius:var(--radius-lg);padding:20px;cursor:pointer;transition:all .15s;border:1px solid var(--border)}.discover-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--accent)}
.discover-card .card-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:#fff;margin-bottom:14px;overflow:hidden}.discover-card .card-icon img{width:48px;height:48px;object-fit:cover}
.discover-card .card-name{font-weight:700;font-size:16px;margin-bottom:6px}.discover-card .card-desc{font-size:13px;color:var(--text-secondary);margin-bottom:14px;line-height:1.4}.discover-card .card-meta{font-size:12px;color:var(--text-muted)}

.voice-panel{background:var(--bg-primary);border-top:1px solid var(--border);padding:12px}.voice-status{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--green);margin-bottom:8px}.voice-status .pulse{width:8px;height:8px;background:var(--green);border-radius:50%;animation:pulse 1.5s ease infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.4)}}
.voice-participants{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.voice-participant{display:flex;align-items:center;gap:6px;padding:4px 10px;background:var(--bg-tertiary);border-radius:20px;font-size:12px}.voice-participant.muted{opacity:.5}
.voice-participant .v-avatar{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:700;color:#fff;overflow:hidden}.voice-participant .v-avatar img{width:22px;height:22px;object-fit:cover}
.voice-controls{display:flex;gap:6px}.voice-controls .icon-btn{width:36px;height:36px;border-radius:50%}.voice-controls .icon-btn.active{background:var(--accent);color:#fff}.voice-controls .icon-btn.end-call{background:var(--red);color:#fff}

.call-overlay{position:fixed;top:20px;right:20px;background:var(--bg-float);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow);z-index:1000;animation:slideIn .3s ease;min-width:280px}
@keyframes slideIn{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}
.call-overlay .call-info{display:flex;align-items:center;gap:12px;margin-bottom:16px}.call-overlay .call-name{font-weight:600;font-size:15px}.call-overlay .call-label{font-size:12px;color:var(--green)}.call-overlay .call-actions{display:flex;gap:10px}

.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,0.6);display:flex;align-items:center;justify-content:center;z-index:999;animation:fadeIn .15s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;padding:28px;width:460px;max-height:80vh;overflow-y:auto;box-shadow:var(--shadow);animation:modalIn .2s ease}
@keyframes modalIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
.modal h2{font-size:20px;font-weight:700;margin-bottom:6px}.modal .modal-sub{color:var(--text-secondary);font-size:14px;margin-bottom:20px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}

.invite-toast{position:fixed;bottom:20px;right:20px;background:var(--bg-float);border:1px solid var(--accent);border-radius:var(--radius-lg);padding:16px 20px;box-shadow:var(--shadow);z-index:1000;animation:slideIn .3s ease;min-width:280px;max-width:360px}
.invite-toast .invite-title{font-weight:600;font-size:14px;margin-bottom:4px}.invite-toast .invite-sub{font-size:13px;color:var(--text-secondary);margin-bottom:12px}.invite-toast .invite-actions{display:flex;gap:8px}

.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);text-align:center;padding:40px}.empty-state .empty-icon{font-size:48px;margin-bottom:16px;opacity:.4}.empty-state h3{font-size:18px;color:var(--text-secondary);margin-bottom:6px}.empty-state p{font-size:14px;max-width:320px;line-height:1.5}

.member-list{width:var(--members-w);background:var(--bg-secondary);border-left:1px solid var(--border);padding:16px 12px;overflow-y:auto;flex-shrink:0}
.member-list h4{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);padding:8px 8px 4px}
.member-item{display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:6px;cursor:pointer;transition:background .1s}.member-item:hover{background:var(--bg-hover)}.member-item .m-name{font-size:13px;font-weight:500}.member-item .m-role{font-size:11px;color:var(--accent);margin-left:auto}

.avatar-upload-wrap{position:relative;cursor:pointer}.avatar-upload-wrap:hover::after{content:'📷';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.5);border-radius:50%;font-size:18px}.avatar-upload-wrap input[type="file"]{display:none}

.tooltip{position:relative}.tooltip::after{content:attr(data-tip);position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%);background:var(--bg-float);color:var(--text-primary);padding:6px 12px;border-radius:6px;font-size:12px;font-weight:600;white-space:nowrap;pointer-events:none;opacity:0;transition:opacity .15s;box-shadow:var(--shadow);z-index:100}.tooltip:hover::after{opacity:1}

@media(max-width:900px){:root{--channels-w:200px;--members-w:0px}}
@media(max-width:700px){:root{--channels-w:0px;--sidebar-w:0px}.server-bar,.channel-sidebar{display:none}}