* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: #fafafa;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        /* Subtle background pattern */
        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 25% 25%, rgba(251, 146, 60, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 75% 75%, rgba(251, 146, 60, 0.03) 0%, transparent 50%);
            pointer-events: none;
        }

        .login-container {
            background: white;
            border-radius: 12px;
            border: 1px solid #e4e4e7;
            box-shadow: 
                0 1px 3px 0 rgba(0, 0, 0, 0.1),
                0 1px 2px 0 rgba(0, 0, 0, 0.06);
            padding: 2rem;
            width: 100%;
            max-width: 400px;
            position: relative;
            animation: slideIn 0.4s ease-out;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .login-header {
            text-align: center;
            margin-bottom: 2rem;
        }

        .login-header h1 {
            color: #09090b;
            font-size: 1.875rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            letter-spacing: -0.025em;
        }

        .login-header p {
            color: #71717a;
            font-size: 0.875rem;
            font-weight: 400;
        }

        .form-group {
            margin-bottom: 1.5rem;
            position: relative;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: #09090b;
            font-weight: 500;
            font-size: 0.875rem;
        }

        .form-group input {
            width: 100%;
            padding: 0.75rem 0.875rem;
            border: 1px solid #e4e4e7;
            border-radius: 8px;
            font-size: 0.875rem;
            background: white;
            transition: all 0.2s ease;
            outline: none;
            color: #09090b;
        }

        .form-group input:focus {
            border-color: #fb923c;
            box-shadow: 0 0 0 2px rgba(251, 146, 60, 0.1);
        }

        .form-group input::placeholder {
            color: #a1a1aa;
        }

        .login-btn {
            width: 100%;
            padding: 0.75rem 1rem;
            background: #ea580c;
            border: none;
            border-radius: 8px;
            color: white;
            font-size: 0.875rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
            margin-top: 0.5rem;
            position: relative;
            overflow: hidden;
        }

        .login-btn:hover {
            background: #dc2626;
            box-shadow: 0 4px 12px rgba(234, 88, 12, 0.25);
        }

        .login-btn:active {
            transform: translateY(1px);
        }

        .login-btn:disabled {
            background: #a1a1aa;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .forgot-password {
            text-align: center;
            margin-top: 1.5rem;
        }

        .forgot-password a {
            color: #ea580c;
            text-decoration: none;
            font-size: 0.875rem;
            font-weight: 500;
            transition: color 0.2s ease;
        }

        .forgot-password a:hover {
            color: #dc2626;
            text-decoration: underline;
        }

        /* Loading state */
        .loading {
            position: relative;
            color: transparent;
        }

        .loading::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 16px;
            height: 16px;
            margin: -8px 0 0 -8px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-top-color: white;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Form group animation */
        .form-group {
            transition: transform 0.2s ease;
        }

        .form-group:focus-within {
            transform: translateY(-1px);
        }

        /* Responsive design */
        @media (max-width: 480px) {
            .login-container {
                margin: 1rem;
                padding: 1.5rem;
            }
            
            .login-header h1 {
                font-size: 1.5rem;
            }
        }

        /* Input validation styles */
        .form-group input:invalid:not(:placeholder-shown) {
            border-color: #ef4444;
        }

        .form-group input:valid:not(:placeholder-shown) {
            border-color: #22c55e;
        }

        /* Focus ring for accessibility */
        .login-btn:focus-visible {
            outline: 2px solid #fb923c;
            outline-offset: 2px;
        }

        .form-group input:focus-visible {
            outline: 2px solid #fb923c;
            outline-offset: 2px;
        }