:root{--bg-color: #0f172a;--card-bg: rgba(30, 41, 59, .7);--accent-color: #6366f1;--accent-hover: #4f46e5;--text-primary: #f8fafc;--text-muted: #94a3b8;--border-color: rgba(255, 255, 255, .1);--danger: #ef4444;--success: #22c55e}body{margin:0;background-color:var(--bg-color);background-image:radial-gradient(at 0% 0%,rgba(99,102,241,.15) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(168,85,247,.15) 0px,transparent 50%);color:var(--text-primary);font-family:Inter,system-ui,-apple-system,sans-serif;min-height:100vh}.container{max-width:900px;margin:0 auto;padding:40px 20px}.main-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.main-header h1{font-size:2rem;margin:0;background:linear-gradient(to right,#fff,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.badge{color:var(--accent-color);font-size:.85rem;font-weight:500;margin-top:4px}.logout-btn{background:transparent;border:1px solid var(--border-color);color:var(--text-muted);padding:8px 16px;border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s}.logout-btn:hover{background:#ef44441a;color:var(--danger);border-color:var(--danger)}.search-section{margin-bottom:24px}.search-box{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:14px;color:var(--text-muted)}.search-input{padding-left:44px!important;height:50px;font-size:1rem}.card{background:var(--card-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:16px;padding:24px;box-shadow:0 10px 15px -3px #0000001a}.grid-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}.full-width{grid-column:1 / -1}.form-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.cancel-link{background:none;border:none;color:var(--text-muted);text-decoration:underline;cursor:pointer;font-size:.9rem}.input{background:#0f172a80;border:1px solid var(--border-color);border-radius:10px;color:#fff;padding:12px 16px;transition:all .2s;width:100%}.input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #6366f133}.btn-primary{background:var(--accent-color);border:none;color:#fff;padding:14px;border-radius:10px;font-weight:600;cursor:pointer;display:flex;justify-content:center;align-items:center;transition:background .2s}.btn-primary:hover{background:var(--accent-hover)}.contacts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px;margin-top:32px}.contact-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;display:flex;flex-direction:column;transition:transform .2s,border-color .2s}.contact-card:hover{transform:translateY(-4px);border-color:#6366f166}.card-content{padding:20px;flex-grow:1}.contact-header{display:flex;gap:14px;align-items:center;margin-bottom:16px}.avatar{width:48px;height:48px;background:linear-gradient(135deg,var(--accent-color),#a855f7);border-radius:12px;display:grid;place-items:center;font-weight:700;font-size:1.1rem}.contact-info h4{margin:0;font-size:1.1rem}.tag-badge{font-size:.7rem;background:#6366f126;color:var(--accent-color);padding:2px 8px;border-radius:20px;text-transform:uppercase;letter-spacing:.05em}.contact-details{font-size:.9rem;color:var(--text-muted);display:flex;flex-direction:column;gap:6px}.detail-item span{margin-right:8px}.contact-note{margin-top:12px;font-style:italic;font-size:.85rem;border-top:1px solid var(--border-color);padding-top:12px}.card-actions{display:flex;border-top:1px solid var(--border-color);background:#0f172a33;border-bottom-left-radius:16px;border-bottom-right-radius:16px}.action-btn{flex:1;padding:12px;display:grid;place-items:center;color:var(--text-muted);transition:all .2s;border:none;background:none;cursor:pointer}.action-btn:not(:last-child){border-right:1px solid var(--border-color)}.action-btn:hover{background:#ffffff0d;color:#fff}.action-btn.whatsapp:hover{color:var(--success)}.action-btn.call:hover{color:var(--accent-color)}.action-btn.delete:hover{color:var(--danger)}.login-screen{display:grid;place-items:center;min-height:100vh}.login-card{width:100%;max-width:400px;text-align:center}.logo-icon{width:64px;height:64px;background:var(--accent-color);border-radius:20px;margin:0 auto 16px;display:grid;place-items:center}.login-form{display:flex;flex-direction:column;gap:12px;margin-top:24px}@media(max-width:600px){.grid-form,.contacts-grid{grid-template-columns:1fr}}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(prefers-reduced-motion:no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}