:root{--bg-dark: #0f172a;--bg-card: rgba(30, 41, 59, .7);--text-main: #f8fafc;--text-muted: #94a3b8;--accent-blue: #3b82f6;--accent-purple: #8b5cf6;--accent-glow: rgba(59, 130, 246, .5);--border-glass: rgba(255, 255, 255, .1);--danger: #ef4444;--success: #10b981}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-dark);color:var(--text-main);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}body:before{content:"";position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 50% 50%,rgba(139,92,246,.1),transparent 50%),radial-gradient(circle at 80% 20%,rgba(59,130,246,.15),transparent 30%);z-index:-1;pointer-events:none}h1,h2,h3{font-weight:600;letter-spacing:-.025em}a{color:var(--accent-blue);text-decoration:none;transition:color .2s ease}a:hover{color:var(--accent-purple)}.app-container{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-right:1px solid var(--border-glass);padding:2rem 1rem;display:flex;flex-direction:column;gap:2rem}.sidebar-logo{font-size:1.5rem;font-weight:700;background:linear-gradient(to right,var(--accent-blue),var(--accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;padding:0 1rem}.sidebar-nav{display:flex;flex-direction:column;gap:.5rem}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-radius:.5rem;color:var(--text-muted);transition:all .2s ease;cursor:pointer}.nav-item:hover,.nav-item.active{background:#ffffff0d;color:var(--text-main)}.nav-item.active{box-shadow:inset 3px 0 0 var(--accent-blue)}.main-content{flex:1;padding:2rem;display:flex;flex-direction:column;gap:2rem}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-glass);border-radius:1rem;padding:1.5rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.btn{background:linear-gradient(to right,var(--accent-blue),var(--accent-purple));color:#fff;border:none;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:500;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px var(--accent-glow)}.btn-secondary{background:transparent;border:1px solid var(--border-glass);color:var(--text-main)}.btn-secondary:hover{background:#ffffff0d;box-shadow:none}.btn-danger{background:var(--danger)}.input-field{width:100%;background:#0f172a80;border:1px solid var(--border-glass);border-radius:.5rem;padding:.75rem 1rem;color:var(--text-main);outline:none;transition:border-color .2s ease}.input-field:focus{border-color:var(--accent-blue);box-shadow:0 0 0 2px #3b82f633}.glass-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem;box-shadow:0 8px 32px #0003;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;margin-top:1.5rem}.styled-input{background:#ffffff0d;border:1px solid var(--border);color:#fff;padding:.75rem 1rem;border-radius:8px;transition:all .2s}.styled-input:focus{outline:none;border-color:var(--primary);background:#ffffff14}.group-card{display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.group-card:hover{transform:translateY(-2px);box-shadow:0 12px 40px #0000004d;border-color:#ffffff26}.group-card-header{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}.avatar-wrapper{flex-shrink:0}.group-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;border:2px solid var(--border)}.group-avatar.placeholder{display:flex;align-items:center;justify-content:center;background:#ffffff0d;color:var(--text-muted)}.group-info h3{margin:0 0 .25rem;font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}.group-card-footer{margin-top:auto;padding-top:1rem;border-top:1px solid var(--border)}.channel-card{display:flex;flex-direction:column}.channel-card-header{display:flex;justify-content:space-between;align-items:flex-start}.channel-info .label{font-size:.75rem;text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;margin-bottom:.25rem}.channel-card-divider{display:flex;justify-content:center;margin:1rem 0;position:relative}.channel-card-divider:before{content:"";position:absolute;top:50%;left:0;right:0;height:1px;background:var(--border);z-index:1}.arrow-down{background:var(--surface);color:var(--text-muted);border:1px solid var(--border);border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:.8rem;z-index:2}.target-group-name{font-weight:500;color:#fff}.badge{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .75rem;border-radius:12px;font-size:.8rem;font-weight:500}.badge-success{background:#2ecc7126;color:var(--success)}.badge-warning{background:#f39c1226;color:var(--warning)}.badge-danger{background:#e74c3c26;color:var(--danger)}.badge-primary{background:#3498db26;color:var(--primary)}.text-link{color:var(--primary);text-decoration:none;font-size:.85rem;transition:color .2s}.text-link:hover{color:#5dade2;text-decoration:underline}.icon-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:.25rem;border-radius:4px;transition:all .2s;display:flex;align-items:center;justify-content:center}.icon-btn:hover{background:#ffffff1a;color:#fff}.icon-btn.delete-btn:hover{background:#e74c3c1a;color:var(--danger)}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-text{color:var(--danger);font-size:.8rem;margin-top:.5rem}.styled-table{width:100%;border-collapse:collapse}.styled-table th{text-align:left;padding:.75rem;color:var(--text-muted);font-weight:500;border-bottom:1px solid var(--border)}.styled-table td{padding:.75rem;border-bottom:1px solid var(--border)}.truncate-cell{max-width:250px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.label{display:block;font-size:.875rem;font-weight:500;color:var(--text-muted);margin-bottom:.5rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem}.stat-card{display:flex;flex-direction:column;gap:.5rem}.stat-value{font-size:2rem;font-weight:700;color:var(--text-main)}.stat-label{font-size:.875rem;color:var(--text-muted)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .4s ease forwards}table{width:100%;border-collapse:collapse}th,td{padding:1rem;text-align:left;border-bottom:1px solid var(--border-glass)}th{color:var(--text-muted);font-weight:500;font-size:.875rem}tr:last-child td{border-bottom:none}.status-badge{padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600}.status-success{background:#10b9811a;color:var(--success)}.status-pending{background:#f59e0b1a;color:#f59e0b}.status-error{background:#ef44441a;color:var(--danger)}