:root{--mia-bg: #060910;--mia-surface: #0c1019;--mia-card: #111827;--mia-card-hover: #162030;--mia-border: #1e293b;--mia-border-hover: #334155;--mia-text: #e8ecf4;--mia-text-muted: #7c8db5;--mia-text-dim: #475569;--mia-accent: #6366f1;--mia-accent-hover: #818cf8;--mia-shadow: 0 4px 24px rgba(0,0,0,.4);--mia-shadow-sm: 0 2px 8px rgba(0,0,0,.3);--mia-shadow-lg: 0 8px 32px rgba(0,0,0,.5)}.theme-light{--mia-bg: #f8fafc;--mia-surface: #ffffff;--mia-card: #f1f5f9;--mia-card-hover: #e2e8f0;--mia-border: #e2e8f0;--mia-border-hover: #cbd5e1;--mia-text: #0f172a;--mia-text-muted: #475569;--mia-text-dim: #94a3b8;--mia-shadow: 0 4px 24px rgba(0,0,0,.08);--mia-shadow-sm: 0 2px 8px rgba(0,0,0,.05);--mia-shadow-lg: 0 8px 32px rgba(0,0,0,.12)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{font-family:Inter,Segoe 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ease}.stat-card:hover{transform:translateY(-1px);box-shadow:var(--mia-shadow-sm)}.btn-primary:active,.btn-ghost:active{transform:scale(.97)}.btn-primary,.btn-send{position:relative;overflow:hidden}.btn-primary:after,.btn-send:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%),rgba(255,255,255,.3) 0%,transparent 60%);opacity:0;transition:opacity .4s ease;pointer-events:none}.btn-primary:active:after,.btn-send:active:after{opacity:1;transition:opacity 0s}@keyframes heartbeat{0%,to{box-shadow:0 0 #22c55e99}50%{box-shadow:0 0 0 4px #22c55e00}}.status-dot-online{animation:heartbeat 2s ease infinite}.input:focus{border-color:var(--mia-accent)!important;box-shadow:0 0 0 3px #6366f126}.search-result{transition:background .15s ease;border-radius:8px;padding:10px 12px}.search-result:hover{background:var(--mia-card-hover)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes shimmerBar{0%{width:10%;margin-left:0}50%{width:60%;margin-left:20%}to{width:10%;margin-left:90%}}.nav-bar button{transition:background .15s ease,color .15s ease,transform .1s ease}.nav-bar button:active{transform:scale(.96)}.danger-zone{border:1px solid rgba(239,68,68,.3);background:#ef44440d;transition:border-color .2s ease}.danger-zone:hover{border-color:#ef444480}.skip-nav{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}.skip-nav:focus{position:fixed;top:8px;left:8px;width:auto;height:auto;padding:8px 16px;background:var(--mia-accent);color:#fff;border-radius:8px;z-index:10000;font-size:14px;font-weight:600}@media(max-width:768px){body{font-size:15px}[style*=gridTemplateColumns]{grid-template-columns:1fr!important}[style*="padding: 24px"],[style*="padding: 32px"],[style*="padding:24px"],[style*="padding:32px"]{padding:16px!important}[style*="gap: 24px"],[style*="gap:24px"]{gap:16px!important}}@media(max-width:480px){body{font-size:14px}[style*="padding: 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