@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap";:root{--bg-color: #0b0f19;--surface-color: #131b26;--primary-color: #f59e0b;--primary-hover: #fbbf24;--accent-color: #10b981;--accent-hover: #34d399;--text-primary: #f3f4f6;--text-secondary: #9ca3af;--border-color: rgba(255, 255, 255, .08);--message-sent: #10b981;--message-received: #1f2937;--font-main: "Inter", sans-serif;--font-mono: "JetBrains Mono", monospace}html{height:100dvh;overflow:hidden}body{margin:0;font-family:var(--font-main);background:var(--bg-color);background-image:radial-gradient(circle at 15% 50%,rgba(245,158,11,.05) 0%,transparent 50%),radial-gradient(circle at 85% 30%,rgba(16,185,129,.05) 0%,transparent 50%);color:var(--text-primary);height:100dvh;overflow:hidden;display:flex;align-items:center;justify-content:center}#root{width:100%;display:flex;justify-content:center;align-items:center}.auth-container{background:rgba(19,27,38,.6);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);padding:48px 40px;border-radius:20px;box-shadow:0 30px 60px -10px rgba(0,0,0,.8),inset 0 0 20px rgba(255,255,255,.02);width:90%;max-width:420px;text-align:center;animation:slideUp .6s cubic-bezier(.2,.8,.2,1);position:relative;overflow:hidden;box-sizing:border-box}.auth-container:before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,transparent,var(--primary-color),var(--accent-color),transparent);opacity:.9}.auth-container h1{margin-top:0;font-weight:800;font-size:28px;letter-spacing:2px;text-transform:uppercase;color:var(--text-primary);margin-bottom:40px;text-shadow:0 0 10px rgba(243,244,246,.1)}.auth-container h1 span{color:var(--primary-color);text-shadow:0 0 15px rgba(245,158,11,.4)}.input-field{width:100%;padding:16px;margin-bottom:16px;background:rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.1);border-radius:12px;color:#fff;font-size:15px;font-family:var(--font-mono);transition:all .3s ease;box-sizing:border-box}.input-field:focus{outline:none;border-color:var(--primary-color);background:rgba(0,0,0,.4);box-shadow:0 0 0 1px var(--primary-color),0 0 15px rgba(245,158,11,.15)}.btn{width:100%;padding:14px;border:none;border-radius:8px;font-size:14px;font-weight:700;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:1px;cursor:pointer;transition:all .3s ease;margin-bottom:12px}.btn-primary{background:transparent;color:var(--primary-color);border:1px solid var(--primary-color)}.btn-primary:hover{background:rgba(245,158,11,.1);box-shadow:0 0 15px rgba(245,158,11,.3)}.btn-secondary{background:transparent;color:var(--accent-color);border:1px solid var(--accent-color)}.btn-secondary:hover{background:rgba(16,185,129,.1);box-shadow:0 0 15px rgba(16,185,129,.3)}.app-container{display:flex;height:94vh;width:96vw;max-width:1400px;background:var(--bg-color);border:1px solid var(--border-color);border-radius:16px;overflow:hidden;box-shadow:0 30px 60px -15px rgba(0,0,0,.9);animation:fadeIn .5s ease}.sidebar{width:320px;border-right:1px solid var(--border-color);display:flex;flex-direction:column;background:var(--surface-color)}.sidebar-header{padding:24px;border-bottom:1px solid var(--border-color);background:rgba(0,0,0,.2)}.sidebar-header h2{margin:0;font-size:16px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--text-primary)}.sidebar-header h2 span{color:var(--primary-color)}.chat-area{flex:1;display:flex;flex-direction:column;background:var(--bg-color)}.chat-header{padding:20px 24px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;background:var(--surface-color)}.chat-header h3{margin:0;font-weight:600;font-size:16px;color:var(--accent-color);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.5px}.messages-container{flex:1;padding:24px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}.message{max-width:70%;padding:12px 16px;border-radius:8px;font-size:14px;line-height:1.5;animation:slideIn .3s ease;word-wrap:break-word;border:1px solid var(--border-color)}.message-sent{align-self:flex-end;background:rgba(16,185,129,.1);color:var(--accent-hover);border-color:rgba(16,185,129,.3);border-bottom-right-radius:0}.message-received{align-self:flex-start;background:var(--surface-color);color:var(--text-primary);border-bottom-left-radius:0}.input-area{padding:20px 24px;border-top:1px solid var(--border-color);display:flex;gap:12px;background:var(--surface-color)}.chat-input{flex:1;padding:14px 20px;background:rgba(0,0,0,.3);border:1px solid var(--border-color);border-radius:8px;color:#fff;font-size:14px;font-family:var(--font-mono);transition:all .3s ease}.chat-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 1px var(--primary-color)}.send-btn{width:50px;height:50px;border-radius:8px;background:transparent;border:1px solid var(--primary-color);color:var(--primary-color);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.send-btn:hover{background:rgba(245,158,11,.1);box-shadow:0 0 15px rgba(245,158,11,.3)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2)}@media (max-width: 768px){.app-container{width:100vw;height:100dvh;border-radius:0;border:none}.sidebar{width:100%;border-right:none}.chat-area,.app-container.chat-active .sidebar{display:none}.app-container.chat-active .chat-area{display:flex}.back-btn{display:block!important}}.back-btn{display:none;background:transparent;border:none;color:var(--accent-color);margin-right:12px;cursor:pointer;padding:8px}.btn-add{background:var(--primary-color);color:#000;border:none;padding:6px 12px;border-radius:6px;font-size:11px;cursor:pointer;font-weight:700;font-family:var(--font-mono);box-shadow:0 0 10px rgba(245,158,11,.5);transition:all .2s ease}.btn-add:hover{background:var(--primary-hover);box-shadow:0 0 15px rgba(245,158,11,.8);transform:scale(1.05)}.btn-accept{background:var(--accent-color);color:#000;border:none;padding:6px 12px;border-radius:6px;font-size:11px;cursor:pointer;font-weight:700;font-family:var(--font-mono);box-shadow:0 0 10px rgba(16,185,129,.5);transition:all .2s ease}.btn-accept:hover{background:var(--accent-hover);box-shadow:0 0 15px rgba(16,185,129,.8);transform:scale(1.05)}.btn-decline{background:#ef4444;color:#fff;border:none;padding:6px 10px;border-radius:6px;font-size:11px;cursor:pointer;font-weight:700;font-family:var(--font-mono);box-shadow:0 0 10px rgba(239,68,68,.5);transition:all .2s ease}.btn-decline:hover{background:#f87171;box-shadow:0 0 15px rgba(239,68,68,.8);transform:scale(1.05)}.badge-friends{border:1px solid var(--accent-color);color:var(--accent-color);padding:4px 10px;border-radius:12px;font-size:11px;font-weight:600;font-family:var(--font-mono);box-shadow:0 0 8px rgba(16,185,129,.3) inset,0 0 8px rgba(16,185,129,.3);display:inline-flex;align-items:center;gap:4px}