:root{--bg-color: #f5f7fa;--card-bg: #ffffff;--text-primary: #1a1a2e;--text-secondary: #6b7280;--border-color: #e5e7eb;--accent-color: #4f46e5;--accent-hover: #4338ca;--success-color: #10b956;--danger-color: #dc3545;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media(prefers-color-scheme:dark){:root{--bg-color: #0f172a;--card-bg: #1e293b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--border-color: #334155;--accent-color: #6366f1;--accent-hover: #4f46e5}}*{box-sizing:border-box}html{overflow-x:hidden}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-primary);overflow-x:hidden}h1,h2,h3,h4,h5,h6{margin:0;font-weight:600}button,input{font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.loading{display:flex;justify-content:center;align-items:center;height:200px;color:var(--text-secondary);font-size:1rem}.error-container{display:flex;flex-direction:column;align-items:center;padding:2rem;gap:1rem}.error-message{color:var(--danger-color);background:#dc35451a;padding:1rem 1.5rem;border-radius:8px;border:1px solid var(--danger-color)}.retry-btn{background:var(--accent-color);color:#fff;border:none;padding:.5rem 1.5rem;border-radius:6px;cursor:pointer;font-size:.875rem}.retry-btn:hover{background:var(--accent-hover)}.positive{color:var(--success-color)}.negative{color:var(--danger-color)}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg-color)}.login-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;padding:2.5rem;width:100%;max-width:400px;text-align:center}.login-form{display:flex;flex-direction:column;gap:1rem}.login-field{display:flex;flex-direction:column;gap:.5rem;text-align:left}.login-field label{font-size:.875rem;font-weight:500;color:var(--text-secondary)}.login-field input{padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;background:var(--bg-color);color:var(--text-primary);outline:none;transition:border-color .2s}.login-field input:focus{border-color:var(--accent-color)}.login-error{color:var(--loss-color);font-size:.875rem;text-align:left}.login-button{padding:.75rem;background:var(--accent-color);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:opacity .2s;margin-top:.5rem}.login-button:hover:not(:disabled){opacity:.9}.login-button:disabled{opacity:.6;cursor:not-allowed}.app{display:flex;min-height:100vh;max-width:100vw;overflow-x:hidden}.main-content{flex:1;margin-left:240px;background:var(--bg-color);min-height:100vh;min-width:0}.mobile-header{display:none}@media(max-width:768px){.main-content{margin-left:0;margin-bottom:60px}.mobile-header{display:flex;align-items:center;justify-content:space-between;padding:.625rem 1rem;background:var(--card-bg);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:50}.mobile-header-user{display:flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:500;color:var(--text-primary)}.mobile-header-avatar{width:28px;height:28px;border-radius:50%;background:var(--accent-color);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;flex-shrink:0}.mobile-header-logout{background:transparent;border:1px solid var(--border-color);padding:.375rem .75rem;border-radius:6px;font-size:.8125rem;color:var(--text-secondary);cursor:pointer;font-family:inherit}}